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CVE-2026-43964VulnerabilityPublished Updated

SUSE · Security update for postfix

Affects SUSESource GCVE Database

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Not known to be exploited.

Data as of 4 Nov 2026, 00:18 UTC

Severity
Medium

Rated by Threat Radar · No CVSS score from NVD or the CNA

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 22 Jun 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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

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