Sudo vulnerabilitiesAnd the versions its exploited flaws hit.
Sudo is made by Sudo Project. We track 23 published vulnerabilities in it, across 84 versions. 2 of them are on the list of flaws known to be exploited, the newest added on 29 September 2025. If you run Sudo, check your version against the exploited flaws below and patch those first.
The most recent Sudo flaw added to the known-exploited list is CVE-2025-32463, on 29 September 2025. We keep watching the known-exploited list.
Which versions of Sudo do the exploited flaws hit?
Each exploited flaw lists the versions it affects, usually as ranges. "1.9.14 to before 1.9.17" means from 1.9.14 up to, but not including, 1.9.17. Find your version, then patch.
- CVE-2025-32463Exploited list, 29 Sep 2025
Sudo Inclusion of Functionality from Untrusted Control Sphere Vulnerability
1.9.14 to before 1.9.171.9.17 - CVE-2021-3156Exploited list, 6 Apr 2022
Sudo Heap-Based Buffer Overflow Vulnerability
1.8.2 to before 1.8.321.9.0 to before 1.9.51.9.51.9.5-patch1
Which Sudo vulnerabilities are being exploited?
2 flaws are on the government list of vulnerabilities known to be exploited. These are the ones criminals are using now, so they go first, whatever their severity score says.
- 9.3Sudo Inclusion of Functionality from Untrusted Control Sphere Vulnerability
Sudo contains an inclusion of functionality from untrusted control sphere vulnerability.
- 7.8Sudo Heap-Based Buffer Overflow Vulnerability
Sudo contains an off-by-one error that can result in a heap-based buffer overflow, which allows for privilege escalation.
Which Sudo 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. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.
- >99%
Sudo before 1.9.5p2 contains an off-by-one error that can result in a heap-based buffer overflow, which allows privilege escalation to root via "sudoedit -s" and a command-line argument that ends with a single...
- 64%CVE-2019-14287High
In Sudo before 1.8.28, an attacker with access to a Runas ALL sudoer account can bypass certain policy blacklists and session PAM modules, and can cause incorrect logging, by invoking sudo with a crafted user ID.
- 55%
Sudo before 1.9.17p1 allows local users to obtain root access because /etc/nsswitch.conf from a user-controlled directory is used with the --chroot option.
- 55%CVE-2023-22809High
In Sudo before 1.9.12p2, the sudoedit (aka -e) feature mishandles extra arguments passed in the user-provided environment variables (SUDO_EDITOR, VISUAL, and EDITOR), allowing a local attacker to append arbitrary...
- 19%CVE-2019-18634High
In Sudo before 1.8.26, if pwfeedback is enabled in /etc/sudoers, users can trigger a stack-based buffer overflow in the privileged sudo process.
- 8.0%CVE-2017-1000367Medium
Todd Miller's sudo version 1.8.20 and earlier is vulnerable to an input validation (embedded spaces) in the get_process_ttyname() function resulting in information disclosure and command execution.
- 4.5%
Sudo before 1.9.17p1, when used with a sudoers file that specifies a host that is neither the current host nor ALL, allows listed users to execute commands on unintended machines.
- 1.7%CVE-2023-27320High
Sudo before 1.9.13p2 has a double free in the per-command chroot feature.
- 1.5%CVE-2015-5602High
sudoedit in Sudo before 1.8.15 allows local users to gain privileges via a symlink attack on a file whose full path is defined using multiple wildcards in /etc/sudoers, as demonstrated by "/home/*/*/file.txt."
- 1.2%CVE-2002-0184High
Sudo before 1.6.6 contains an off-by-one error that can result in a heap-based buffer overflow that may allow local users to gain root privileges via special characters in the -p (prompt) argument, which are not...
Running Sudo? We'll keep checking.
Looking flaws up one at a time doesn't scale. Tell us what you run once, and we tell you which flaws matter to you, in what order, and keep watching for new ones.
- Tell us what you runPick your software from a list, or let us work it out from your website.
- We match it to every flawOver 400,000 published flaws, checked against your list.
- Ranked by real-world riskA 0 to 100 score, led by evidence criminals are using it.
- Told as soon as we knowAn alert by email, in the app or by webhook to your own tools.
Free plan, no card needed. Nothing to install.
1 flaw being exploited affects software Acme tracks
Sudo contains an inclusion of functionality from untrusted control sphere vulnerability. This vulnerability could allow local attacker to leverage sudo’s -R (--chroot) option to run arbitrary commands as root, even if they are not listed in the sudoers file.
- Matched to
- Sudo on Acme's software list
- What to do
- Patch first, then check for signs of use
Sent to the alert recipients Acme chose. Also in the app and to Acme's webhook.
We track 23 published vulnerabilities listed under the name Sudo, across 84 versions. The most recent Sudo flaw added to the known-exploited list is CVE-2025-32463, on 29 September 2025.
2 are on the list of flaws known to be exploited. The most recently added are CVE-2025-32463 and CVE-2021-3156.
Each flaw names its own versions, usually as ranges. The newest, CVE-2025-32463, affects 1.9.14 to before 1.9.17, 1.9.17. The versions for every exploited flaw are listed on this page.
Create a Precursor Intelligence account and track Sudo. 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.