Enterprise Linux Server Eus vulnerabilitiesAnd the versions its exploited flaws hit.
Enterprise Linux Server Eus is made by Red Hat. We track 625 published vulnerabilities listed under that exact name, across 29 versions. 9 of them are on the list of flaws known to be exploited, the newest added on 26 January 2026. Red Hat lists newer releases under their own names, such as Enterprise Linux Server Eus from Rhui, so check those pages too.
The most recent Enterprise Linux Server Eus flaw added to the known-exploited list is CVE-2018-14634, on 26 January 2026. We keep watching the known-exploited list.
Is Enterprise Linux Server Eus listed under other names? Yes.
Red Hat also lists Enterprise Linux Server Eus under more specific names, such as Enterprise Linux Server Eus from Rhui. Flaws listed only under those names are counted on their own pages, not here. If you run one of these, open its page for its own exploited flaws.
Which versions of Enterprise Linux Server Eus do the exploited flaws hit?
Each exploited flaw lists the versions it affects, as published by the vendor. Find your version, then patch.
- CVE-2018-14634Exploited list, 26 Jan 2026
Linux Kernel Integer Overflow Vulnerability
6.77.57.6 - CVE-2016-9079Exploited list, 22 Jun 2023
Mozilla Firefox, Firefox ESR, and Thunderbird Use-After-Free Vulnerability
7.37.47.5 - CVE-2016-3427Exploited list, 12 May 2023
Oracle Java SE and JRockit Unspecified Vulnerability
6.77.2 - CVE-2014-0196Exploited list, 12 May 2023
Linux Kernel Race Condition Vulnerability
6.3 - CVE-2021-4034Exploited list, 27 Jun 2022
Red Hat Polkit Out-of-Bounds Read and Write Vulnerability
8.4 - CVE-2014-0160Exploited list, 4 May 2022
OpenSSL Information Disclosure Vulnerability
6.5 - CVE-2015-5123Exploited list, 13 Apr 2022
Adobe Flash Player Use-After-Free Vulnerability
6.6 - CVE-2015-5122Exploited list, 13 Apr 2022
Adobe Flash Player Use-After-Free Vulnerability
6.6 - CVE-2019-5544Exploited list, 3 Nov 2021
VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Vulnerability
7.7
Which Enterprise Linux Server Eus vulnerabilities are being exploited?
9 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.
- 7.8Linux Kernel Integer Overflow Vulnerability
Linux Kernel contains an integer overflow vulnerability in the create_elf_tables() function which could allow an unprivileged local user with access to SUID (or otherwise privileged) binary to escalate their...
- 7.5Mozilla Firefox, Firefox ESR, and Thunderbird Use-After-Free Vulnerability
Mozilla Firefox, Firefox ESR, and Thunderbird contain a use-after-free vulnerability in SVG Animation, targeting Firefox and Tor browser users on Windows.
- 9.8Oracle Java SE and JRockit Unspecified Vulnerability
Oracle Java SE and JRockit contains an unspecified vulnerability that allows remote attackers to affect confidentiality, integrity, and availability via vectors related to Java Management Extensions (JMX).
- 5.5Linux Kernel Race Condition Vulnerability
Linux Kernel contains a race condition vulnerability within the n_tty_write function that allows local users to cause a denial-of-service (DoS) or gain privileges via read and write operations with long strings.
- 7.8Red Hat Polkit Out-of-Bounds Read and Write Vulnerability
The Red Hat polkit pkexec utility contains an out-of-bounds read and write vulnerability that allows for privilege escalation with administrative rights.
- 7.5OpenSSL Information Disclosure Vulnerability
The TLS and DTLS implementations in OpenSSL do not properly handle Heartbeat Extension packets, which allows remote attackers to obtain sensitive information.
- 9.8Adobe Flash Player Use-After-Free Vulnerability
Use-after-free vulnerability in the BitmapData class in the ActionScript 3 (AS3) implementation in Adobe Flash Player allows remote attackers to execute code or cause a denial-of-service (DoS).
- 9.8Adobe Flash Player Use-After-Free Vulnerability
Use-after-free vulnerability in the DisplayObject class in the ActionScript 3 (AS3) implementation in Adobe Flash Player allows remote attackers to execute code or cause a denial-of-service (DoS).
Which Enterprise Linux Server Eus 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%
The (1) TLS and (2) DTLS implementations in OpenSSL 1.0.1 before 1.0.1g do not properly handle Heartbeat Extension packets, which allows remote attackers to obtain sensitive information from process memory via...
- 98%CVE-2018-11784Medium
When the default servlet in Apache Tomcat versions 9.0.0.M1 to 9.0.11, 8.5.0 to 8.5.33 and 7.0.23 to 7.0.90 returned a redirect to a directory (e.g.
- 97%CVE-2018-17456Critical
Git before 2.14.5, 2.15.x before 2.15.3, 2.16.x before 2.16.5, 2.17.x before 2.17.2, 2.18.x before 2.18.1, and 2.19.x before 2.19.1 allows remote code execution during processing of a recursive "git clone" of a...
- 97%
OpenSLP as used in ESXi and the Horizon DaaS appliances has a heap overwrite issue.
- 95%
A local privilege escalation vulnerability was found on polkit's pkexec utility.
- 92%CVE-2018-16509High
An issue was discovered in Artifex Ghostscript before 9.24.
- 91%CVE-2015-7547High
Multiple stack-based buffer overflows in the (1) send_dg and (2) send_vc functions in the libresolv library in the GNU C Library (aka glibc or libc6) before 2.23 allow remote attackers to cause a denial of service...
- 90%CVE-2017-5645Critical
In Apache Log4j 2.x before 2.8.2, when using the TCP socket server or UDP socket server to receive serialized log events from another application, a specially crafted binary payload can be sent that, when...
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1 flaw being exploited affects software Acme tracks
Linux Kernel contains an integer overflow vulnerability in the create_elf_tables() function which could allow an unprivileged local user with access to SUID (or otherwise privileged) binary to escalate their privileges on the system.
- Matched to
- Enterprise Linux Server Eus 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 625 published vulnerabilities listed under the name Enterprise Linux Server Eus, across 29 versions. The most recent Enterprise Linux Server Eus flaw added to the known-exploited list is CVE-2018-14634, on 26 January 2026.
9 are on the list of flaws known to be exploited. The most recently added are CVE-2018-14634, CVE-2016-9079 and CVE-2016-3427.
Red Hat also lists Enterprise Linux Server Eus under more specific names, such as Enterprise Linux Server Eus from Rhui. Flaws listed only under those names are counted on their own pages, not here. Open the release you run to see its own list.
Each flaw names its own versions, usually as ranges. The newest, CVE-2018-14634, affects 6.7, 7.5, 7.6. The versions for every exploited flaw are listed on this page.
Create a Precursor Intelligence account and track Enterprise Linux Server Eus. 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.