SUSE · Security update for postfix
Affects SUSESource GCVE Database
Not known to be exploited.
Data as of 4 Nov 2026, 00:18 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
Exploitation evidence
Disclosed: evidence found.
CVE published 22 Jun 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 3 Nov 2026.
What to do
AI-suggested
A security update has been released by the SUSE Product Security Team to fix this issue. Applying the official patch or update from the vendor is the recommended mitigation.
Description
A security update for Postfix addresses CVE-2026-43964, which involves a buffer overread and process crash triggered by an enhanced status code missing text after the third number.
References
- suse.com/support/security/rating/ (opens in a new tab)
- ftp.suse.com/pub/projects/security/csaf/suse-su-2026_22335-1.json (opens in a new tab)
- suse.com/support/update/announcement/2026/suse-su-202622335-1/ (opens in a new tab)
- lists.suse.com/pipermail/sle-updates/2026-July/047804.html (opens in a new tab)
- bugzilla.suse.com/1264062 (opens in a new tab)
- suse.com/security/cve/CVE-2026-43964/ (opens in a new tab)