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SUSE cyrus-sasl Update Addresses Heap Overflow Vulnerability

SUSE cyrus-sasl Update Addresses Heap Overflow Vulnerability

First seen 22 Oct 2026, 01:09 UTC • •
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ThreatCluster AI
ThreatCluster •October 22, 2026 at 01:38 UTC
  • •CVE-2026-107161 is a high-severity heap overflow vulnerability in cyrus-sasl.
  • •Affected systems include SUSE Linux Enterprise Server and openSUSE versions 12 SP5 and 15 SP5.
  • •Patches were released on October 21, 2026, and users are urged to update immediately.

SUSE has released updates for cyrus-sasl to fix a heap buffer overflow vulnerability, CVE-2026-107161, affecting DIGEST-MD5 clients. This flaw allows malicious servers to crash or compromise clients, posing significant risks to systems using affected versions of SUSE Linux Enterprise Server and openSUSE. The vulnerability has a CVSS score of 7.5, indicating a high severity level. Administrators are urged to apply the patches immediately to mitigate potential exploitation. The updates are available for various SUSE Linux Enterprise versions, including 12 SP5 and 15 SP5. The vulnerability was published on October 7, 2026, and the patches were released on October 21, 2026. Users should follow the provided patch instructions to secure their systems.

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Timeline

2026-10-07
CVE-2026-107161 published
A heap buffer overflow vulnerability in cyrus-sasl was disclosed, allowing potential server code execution.
Linuxsecurity
2026-10-21
Patches released for cyrus-sasl
SUSE released updates to fix the heap overflow vulnerability affecting DIGEST-MD5 clients.
Linuxsecurity

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Common questions

Which versions are affected?
The vulnerability affects SUSE Linux Enterprise Server 12 SP5 and 15 SP5, as well as openSUSE versions.
Is there an active exploit for this vulnerability?
No confirmed active exploitation has been reported, but the vulnerability is critical and should be patched.
How do I apply the patches?
Use the SUSE recommended installation methods like YaST online_update or 'zypper patch' to apply the updates.