# Debian Linux vulnerabilities > Debian Linux is made by Debian. We track 9,218 published vulnerabilities in it, across 41 versions. 106 of them are on the list of flaws known to be exploited, the newest added on 18 September 2026. If you run Debian Linux, check your version against the exploited flaws below and patch those first. Canonical page: https://www.precursorintelligence.com/product/debian/debian_linux ## At a glance - **Made by:** [Debian](https://www.precursorintelligence.com/vendors/debian) - **Published vulnerabilities:** 9,218 - **Known to be exploited:** 106 - **Versions tracked:** 41 - **Most recently added to the known-exploited list:** [CVE-2025-39682](https://www.precursorintelligence.com/what-is/cve-2025-39682), 18 September 2026. We keep watching the list. ## Which versions of Debian Linux do the exploited flaws hit? Each exploited flaw lists the versions it affects, as published. - [CVE-2025-39682](https://www.precursorintelligence.com/what-is/cve-2025-39682) (Linux Kernel Improper Check for Unusual or Exceptional Conditions Vulnerability): 11.0 - [CVE-2022-0492](https://www.precursorintelligence.com/what-is/cve-2022-0492) (Linux Kernel Improper Authentication Vulnerability): 9.0, 10.0, 11.0 - [CVE-2021-30952](https://www.precursorintelligence.com/what-is/cve-2021-30952) (Apple Multiple Products Integer Overflow or Wraparound Vulnerability): 10.0, 11.0 - [CVE-2021-21311](https://www.precursorintelligence.com/what-is/cve-2021-21311) (Adminer Server-Side Request Forgery Vulnerability): 9.0 - [CVE-2025-32463](https://www.precursorintelligence.com/what-is/cve-2025-32463) (Sudo Inclusion of Functionality from Untrusted Control Sphere Vulnerability): 11.0, 12.0, 13.0 - [CVE-2025-48384](https://www.precursorintelligence.com/what-is/cve-2025-48384) (Git Link Following Vulnerability): 11.0 - [CVE-2025-6558](https://www.precursorintelligence.com/what-is/cve-2025-6558) (Google Chromium ANGLE and GPU Improper Input Validation Vulnerability): 11.0 - [CVE-2019-5418](https://www.precursorintelligence.com/what-is/cve-2019-5418) (Rails Ruby on Rails Path Traversal Vulnerability): 8.0 - [CVE-2025-27363](https://www.precursorintelligence.com/what-is/cve-2025-27363) (FreeType Out-of-Bounds Write Vulnerability): 11.0 - [CVE-2025-24813](https://www.precursorintelligence.com/what-is/cve-2025-24813) (Apache Tomcat Path Equivalence Vulnerability): 11.0 - [CVE-2020-11023](https://www.precursorintelligence.com/what-is/cve-2020-11023) (JQuery Cross-Site Scripting (XSS) Vulnerability): 9.0 - [CVE-2024-37383](https://www.precursorintelligence.com/what-is/cve-2024-37383) (RoundCube Webmail Cross-Site Scripting (XSS) Vulnerability): 10.0 - [CVE-2024-9680](https://www.precursorintelligence.com/what-is/cve-2024-9680) (Mozilla Firefox Use-After-Free Vulnerability): 11.0 - [CVE-2021-4043](https://www.precursorintelligence.com/what-is/cve-2021-4043) (Motion Spell GPAC Null Pointer Dereference Vulnerability): 11.0 - [CVE-2016-3714](https://www.precursorintelligence.com/what-is/cve-2016-3714) (ImageMagick Improper Input Validation Vulnerability): 8.0, 9.0 - [CVE-2020-13965](https://www.precursorintelligence.com/what-is/cve-2020-13965) (Roundcube Webmail Cross-Site Scripting (XSS) Vulnerability): 9.0, 10.0 - [CVE-2024-1086](https://www.precursorintelligence.com/what-is/cve-2024-1086) (Linux Kernel Use-After-Free Vulnerability): 10.0 - [CVE-2023-43770](https://www.precursorintelligence.com/what-is/cve-2023-43770) (Roundcube Webmail Persistent Cross-Site Scripting (XSS) Vulnerability): 10.0 - [CVE-2023-4762](https://www.precursorintelligence.com/what-is/cve-2023-4762) (Google Chromium V8 Type Confusion Vulnerability): 11.0, 12.0 - [CVE-2023-7024](https://www.precursorintelligence.com/what-is/cve-2023-7024) (Google Chromium WebRTC Heap Buffer Overflow Vulnerability): 11.0, 12.0 - [CVE-2023-7101](https://www.precursorintelligence.com/what-is/cve-2023-7101) (Spreadsheet::ParseExcel Remote Code Execution Vulnerability): 10.0 - [CVE-2023-42916](https://www.precursorintelligence.com/what-is/cve-2023-42916) (Apple Multiple Products WebKit Out-of-Bounds Read Vulnerability): 11.0, 12.0 - [CVE-2023-42917](https://www.precursorintelligence.com/what-is/cve-2023-42917) (Apple Multiple Products WebKit Memory Corruption Vulnerability): 11.0, 12.0 - [CVE-2023-6345](https://www.precursorintelligence.com/what-is/cve-2023-6345) (Google Skia Integer Overflow Vulnerability): 11.0, 12.0 - [CVE-2023-4911](https://www.precursorintelligence.com/what-is/cve-2023-4911) (GNU C Library Buffer Overflow Vulnerability): 11.0, 12.0 - [CVE-2023-46604](https://www.precursorintelligence.com/what-is/cve-2023-46604) (Apache ActiveMQ Deserialization of Untrusted Data Vulnerability): 10.0, 11.0 - [CVE-2023-5631](https://www.precursorintelligence.com/what-is/cve-2023-5631) (Roundcube Webmail Persistent Cross-Site Scripting (XSS) Vulnerability): 10.0, 11.0, 12.0 - [CVE-2023-44487](https://www.precursorintelligence.com/what-is/cve-2023-44487) (HTTP/2 Rapid Reset Attack Vulnerability): 10.0, 11.0, 12.0 - [CVE-2023-5217](https://www.precursorintelligence.com/what-is/cve-2023-5217) (Google Chromium libvpx Heap Buffer Overflow Vulnerability): 10.0, 11.0, 12.0 - [CVE-2023-41993](https://www.precursorintelligence.com/what-is/cve-2023-41993) (Apple Multiple Products WebKit Code Execution Vulnerability): 11.0, 12.0 Checked: the 30 most recently added of 50 exploited flaws. ## Which Debian Linux vulnerabilities are being exploited? 50 flaws are on the government list of vulnerabilities known to be exploited, newest first: - [CVE-2025-39682](https://www.precursorintelligence.com/what-is/cve-2025-39682): Linux Kernel Improper Check for Unusual or Exceptional Conditions Vulnerability. Critical, CVSS 9.8, chance of use in 30 days 2.9%, known exploited since 18 September 2026. - [CVE-2022-0492](https://www.precursorintelligence.com/what-is/cve-2022-0492): Linux Kernel Improper Authentication Vulnerability. High, CVSS 7.8, chance of use in 30 days 5.5%, known exploited since 2 June 2026. - [CVE-2021-30952](https://www.precursorintelligence.com/what-is/cve-2021-30952): Apple Multiple Products Integer Overflow or Wraparound Vulnerability. High, CVSS 7.8, chance of use in 30 days 7.0%, known exploited since 5 March 2026. - [CVE-2021-21311](https://www.precursorintelligence.com/what-is/cve-2021-21311): Adminer Server-Side Request Forgery Vulnerability. High, CVSS 7.2, chance of use in 30 days 98%, known exploited since 29 September 2025. - [CVE-2025-32463](https://www.precursorintelligence.com/what-is/cve-2025-32463): Sudo Inclusion of Functionality from Untrusted Control Sphere Vulnerability. Critical, CVSS 9.3, chance of use in 30 days 55%, known exploited since 29 September 2025. - [CVE-2025-48384](https://www.precursorintelligence.com/what-is/cve-2025-48384): Git Link Following Vulnerability. High, CVSS 8.0, chance of use in 30 days 4.4%, known exploited since 25 August 2025. - [CVE-2025-6558](https://www.precursorintelligence.com/what-is/cve-2025-6558): Google Chromium ANGLE and GPU Improper Input Validation Vulnerability. High, CVSS 8.8, chance of use in 30 days 11%, known exploited since 22 July 2025. - [CVE-2019-5418](https://www.precursorintelligence.com/what-is/cve-2019-5418): Rails Ruby on Rails Path Traversal Vulnerability. High, CVSS 7.5, chance of use in 30 days 99%, known exploited since 7 July 2025. - [CVE-2025-27363](https://www.precursorintelligence.com/what-is/cve-2025-27363): FreeType Out-of-Bounds Write Vulnerability. High, CVSS 8.1, chance of use in 30 days 28%, known exploited since 6 May 2025. - [CVE-2025-24813](https://www.precursorintelligence.com/what-is/cve-2025-24813): Apache Tomcat Path Equivalence Vulnerability. Critical, CVSS 9.8, chance of use in 30 days >99%, known exploited since 1 April 2025. - [CVE-2020-11023](https://www.precursorintelligence.com/what-is/cve-2020-11023): JQuery Cross-Site Scripting (XSS) Vulnerability. Medium, CVSS 6.9, chance of use in 30 days 85%, known exploited since 23 January 2025. - [CVE-2024-37383](https://www.precursorintelligence.com/what-is/cve-2024-37383): RoundCube Webmail Cross-Site Scripting (XSS) Vulnerability. Medium, CVSS 6.1, chance of use in 30 days 73%, known exploited since 24 October 2024. - [CVE-2024-9680](https://www.precursorintelligence.com/what-is/cve-2024-9680): Mozilla Firefox Use-After-Free Vulnerability. Critical, CVSS 9.8, chance of use in 30 days 23%, known exploited since 15 October 2024. - [CVE-2021-4043](https://www.precursorintelligence.com/what-is/cve-2021-4043): Motion Spell GPAC Null Pointer Dereference Vulnerability. Medium, CVSS 5.5, chance of use in 30 days 4.6%, known exploited since 30 September 2024. - [CVE-2016-3714](https://www.precursorintelligence.com/what-is/cve-2016-3714): ImageMagick Improper Input Validation Vulnerability. High, CVSS 8.4, chance of use in 30 days 97%, known exploited since 9 September 2024. - [CVE-2020-13965](https://www.precursorintelligence.com/what-is/cve-2020-13965): Roundcube Webmail Cross-Site Scripting (XSS) Vulnerability. Medium, CVSS 6.1, chance of use in 30 days 77%, known exploited since 26 June 2024. - [CVE-2024-1086](https://www.precursorintelligence.com/what-is/cve-2024-1086): Linux Kernel Use-After-Free Vulnerability. High, CVSS 7.8, chance of use in 30 days 28%, known exploited since 30 May 2024. - [CVE-2023-43770](https://www.precursorintelligence.com/what-is/cve-2023-43770): Roundcube Webmail Persistent Cross-Site Scripting (XSS) Vulnerability. Medium, CVSS 6.1, chance of use in 30 days 64%, known exploited since 12 February 2024. - [CVE-2023-4762](https://www.precursorintelligence.com/what-is/cve-2023-4762): Google Chromium V8 Type Confusion Vulnerability. High, CVSS 8.8, chance of use in 30 days 41%, known exploited since 6 February 2024. - [CVE-2023-7024](https://www.precursorintelligence.com/what-is/cve-2023-7024): Google Chromium WebRTC Heap Buffer Overflow Vulnerability. High, CVSS 8.8, chance of use in 30 days 6.7%, known exploited since 2 January 2024. - [CVE-2023-7101](https://www.precursorintelligence.com/what-is/cve-2023-7101): Spreadsheet::ParseExcel Remote Code Execution Vulnerability. High, CVSS 7.8, chance of use in 30 days 19%, known exploited since 2 January 2024. - [CVE-2023-42916](https://www.precursorintelligence.com/what-is/cve-2023-42916): Apple Multiple Products WebKit Out-of-Bounds Read Vulnerability. Medium, CVSS 6.5, chance of use in 30 days 18%, known exploited since 4 December 2023. - [CVE-2023-42917](https://www.precursorintelligence.com/what-is/cve-2023-42917): Apple Multiple Products WebKit Memory Corruption Vulnerability. High, CVSS 8.8, chance of use in 30 days 9.3%, known exploited since 4 December 2023. - [CVE-2023-6345](https://www.precursorintelligence.com/what-is/cve-2023-6345): Google Skia Integer Overflow Vulnerability. Critical, CVSS 9.6, chance of use in 30 days 16%, known exploited since 30 November 2023. - [CVE-2023-4911](https://www.precursorintelligence.com/what-is/cve-2023-4911): GNU C Library Buffer Overflow Vulnerability. High, CVSS 7.8, chance of use in 30 days 64%, known exploited since 21 November 2023. - [CVE-2023-46604](https://www.precursorintelligence.com/what-is/cve-2023-46604): Apache ActiveMQ Deserialization of Untrusted Data Vulnerability. Critical, CVSS 10.0, chance of use in 30 days >99%, known exploited since 2 November 2023. - [CVE-2023-5631](https://www.precursorintelligence.com/what-is/cve-2023-5631): Roundcube Webmail Persistent Cross-Site Scripting (XSS) Vulnerability. Medium, CVSS 6.1, chance of use in 30 days 76%, known exploited since 26 October 2023. - [CVE-2023-44487](https://www.precursorintelligence.com/what-is/cve-2023-44487): HTTP/2 Rapid Reset Attack Vulnerability. High, CVSS 7.5, chance of use in 30 days >99%, known exploited since 10 October 2023. - [CVE-2023-5217](https://www.precursorintelligence.com/what-is/cve-2023-5217): Google Chromium libvpx Heap Buffer Overflow Vulnerability. High, CVSS 8.8, chance of use in 30 days 49%, known exploited since 2 October 2023. - [CVE-2023-41993](https://www.precursorintelligence.com/what-is/cve-2023-41993): Apple Multiple Products WebKit Code Execution Vulnerability. High, CVSS 8.8, chance of use in 30 days 24%, known exploited since 25 September 2023. - [CVE-2023-4863](https://www.precursorintelligence.com/what-is/cve-2023-4863): Google Chromium WebP Heap-Based Buffer Overflow Vulnerability. High, CVSS 8.8, chance of use in 30 days >99%, known exploited since 13 September 2023. - [CVE-2023-20867](https://www.precursorintelligence.com/what-is/cve-2023-20867): VMware Tools Authentication Bypass Vulnerability. Low, CVSS 3.9, chance of use in 30 days 14%, known exploited since 23 June 2023. - [CVE-2020-35730](https://www.precursorintelligence.com/what-is/cve-2020-35730): Roundcube Webmail Cross-Site Scripting (XSS) Vulnerability. Medium, CVSS 6.1, chance of use in 30 days 33%, known exploited since 22 June 2023. - [CVE-2016-9079](https://www.precursorintelligence.com/what-is/cve-2016-9079): Mozilla Firefox, Firefox ESR, and Thunderbird Use-After-Free Vulnerability. High, CVSS 7.5, chance of use in 30 days 88%, known exploited since 22 June 2023. - [CVE-2021-44026](https://www.precursorintelligence.com/what-is/cve-2021-44026): Roundcube Webmail SQL Injection Vulnerability. Critical, CVSS 9.8, chance of use in 30 days 70%, known exploited since 22 June 2023. - [CVE-2023-3079](https://www.precursorintelligence.com/what-is/cve-2023-3079): Google Chromium V8 Type Confusion Vulnerability. High, CVSS 8.8, chance of use in 30 days 38%, known exploited since 7 June 2023. - [CVE-2016-3427](https://www.precursorintelligence.com/what-is/cve-2016-3427): Oracle Java SE and JRockit Unspecified Vulnerability. Critical, CVSS 9.8, chance of use in 30 days 92%, known exploited since 12 May 2023. - [CVE-2021-3560](https://www.precursorintelligence.com/what-is/cve-2021-3560): Red Hat Polkit Incorrect Authorization Vulnerability. High, CVSS 7.8, chance of use in 30 days 24%, known exploited since 12 May 2023. - [CVE-2014-0196](https://www.precursorintelligence.com/what-is/cve-2014-0196): Linux Kernel Race Condition Vulnerability. Medium, CVSS 5.5, chance of use in 30 days 22%, known exploited since 12 May 2023. - [CVE-2016-8735](https://www.precursorintelligence.com/what-is/cve-2016-8735): Apache Tomcat Remote Code Execution Vulnerability. Critical, CVSS 9.8, chance of use in 30 days 90%, known exploited since 12 May 2023. - [CVE-2021-45046](https://www.precursorintelligence.com/what-is/cve-2021-45046): Apache Log4j2 Deserialization of Untrusted Data Vulnerability. Critical, CVSS 9.0, chance of use in 30 days >99%, known exploited since 1 May 2023. - [CVE-2023-2136](https://www.precursorintelligence.com/what-is/cve-2023-2136): Google Chrome Skia Integer Overflow Vulnerability. Critical, CVSS 9.6, chance of use in 30 days 5.7%, known exploited since 21 April 2023. - [CVE-2023-2033](https://www.precursorintelligence.com/what-is/cve-2023-2033): Google Chromium V8 Type Confusion Vulnerability. High, CVSS 8.8, chance of use in 30 days 41%, known exploited since 17 April 2023. - [CVE-2017-7494](https://www.precursorintelligence.com/what-is/cve-2017-7494): Samba Remote Code Execution Vulnerability. Critical, CVSS 9.8, chance of use in 30 days >99%, known exploited since 30 March 2023. - [CVE-2021-39144](https://www.precursorintelligence.com/what-is/cve-2021-39144): XStream Remote Code Execution Vulnerability. High, CVSS 8.5, chance of use in 30 days 98%, known exploited since 10 March 2023. - [CVE-2020-36193](https://www.precursorintelligence.com/what-is/cve-2020-36193): PEAR Archive\_Tar Improper Link Resolution Vulnerability. High, CVSS 7.5, chance of use in 30 days 71%, known exploited since 25 August 2022. - [CVE-2020-28949](https://www.precursorintelligence.com/what-is/cve-2020-28949): PEAR Archive\_Tar Deserialization of Untrusted Data Vulnerability. High, CVSS 7.8, chance of use in 30 days 85%, known exploited since 25 August 2022. - [CVE-2022-32893](https://www.precursorintelligence.com/what-is/cve-2022-32893): Apple iOS and macOS Out-of-Bounds Write Vulnerability. High, CVSS 8.8, chance of use in 30 days 9.9%, known exploited since 18 August 2022. - [CVE-2022-30333](https://www.precursorintelligence.com/what-is/cve-2022-30333): RARLAB UnRAR Directory Traversal Vulnerability. High, CVSS 7.5, chance of use in 30 days >99%, known exploited since 9 August 2022. - [CVE-2016-1646](https://www.precursorintelligence.com/what-is/cve-2016-1646): Google Chromium V8 Out-of-Bounds Read Vulnerability. High, CVSS 8.8, chance of use in 30 days 48%, known exploited since 8 June 2022. ## Which Debian Linux flaws are most likely to be used? Ranked by the latest exploit-likelihood forecast (the chance each flaw is used in an attack in the next 30 days): - [CVE-2012-1823](https://www.precursorintelligence.com/what-is/cve-2012-1823): >99%, Critical (CVSS 9.8), known exploited - [CVE-2013-0156](https://www.precursorintelligence.com/what-is/cve-2013-0156): >99%, High (CVSS 7.5) - [CVE-2012-0507](https://www.precursorintelligence.com/what-is/cve-2012-0507): 98%, Critical (CVSS 9.8), known exploited - [CVE-2006-3747](https://www.precursorintelligence.com/what-is/cve-2006-3747): 97%, High (CVSS 7.6) - [CVE-2009-1151](https://www.precursorintelligence.com/what-is/cve-2009-1151): 97%, Critical (CVSS 9.8), known exploited - [CVE-2011-2523](https://www.precursorintelligence.com/what-is/cve-2011-2523): 96%, Critical (CVSS 9.8) - [CVE-2006-3918](https://www.precursorintelligence.com/what-is/cve-2006-3918): 95%, Medium (CVSS 4.3) - [CVE-2002-0392](https://www.precursorintelligence.com/what-is/cve-2002-0392): 95%, High (CVSS 7.5) ## Questions ### How many vulnerabilities does Debian Linux have? We track 9,218 published vulnerabilities listed under the name Debian Linux, across 41 versions. The most recent Debian Linux flaw added to the known-exploited list is CVE-2025-39682, on 18 September 2026. ### Which Debian Linux vulnerabilities are being exploited? 106 are on the list of flaws known to be exploited. The most recently added are CVE-2025-39682, CVE-2022-0492 and CVE-2021-30952. ### Which versions of Debian Linux do the exploited flaws affect? Each flaw names its own versions, usually as ranges. The newest, CVE-2025-39682, affects 11.0. The versions for every exploited flaw are listed on this page. ### How do I get alerts for Debian Linux? Create a Precursor Intelligence account and track Debian Linux. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook. ## Running Debian Linux? Precursor Intelligence keeps checking for you: - **Tell us what you run.** Pick your software from a list, or let us work it out from your website. - **We match it to every flaw.** Over 400,000 published flaws, checked against your list. - **Ranked by real-world risk.** Every flaw gets a 0 to 100 risk score, kept up to date, led by evidence criminals are using it. - **Told as soon as we know.** An alert by email, in the app or by webhook to your own tools. Start free (no card, nothing to install): https://www.precursorintelligence.com/register Book a demo: https://www.precursorintelligence.com/contact