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CVE-2026-102633VulnerabilityPublished Updated

SUSE · Security update for expat

Affects SUSESource GCVE Database

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Mentioned vulnerabilities

Not known to be exploited · fixed in SUSE package updates : patch SUSE soon.

Data as of 4 Nov 2026, 02:16 UTC

Severity
High

Rated by Threat Radar · CVSS not yet scored by NVD

Patch
Available – fixed in 2.8.5

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 27 Oct 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

Update expat to version 2.8.5 or later, which includes fixes for all listed vulnerabilities and related bugs. No other specific mitigations are indicated. Since this is a software library, ensure dependent applications incorporate the updated expat version.

Description

This security update for the expat XML parser addresses multiple vulnerabilities including an out-of-bounds read in XML_ParseBuffer(), improper validation of UTF-16 surrogate pairs, and a denial of service caused by an integer overflow in expat_realloc. The update also includes bug fixes related to memory leaks and alignment issues. These issues could lead to crashes or memory corruption when processing malicious XML input.

References

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