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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, 02:14 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.

Description

This update for expat fixes the following issues: - CVE-2026-77214: out-of-bounds read due to insufficient checks in `XML_ParseBuffer()` (bsc#1284334). - CVE-2026-93990: fails to validate low surrogates following high surrogates in UTF-16 input (bsc#1282347). - CVE-2026-102633: denial of service via integer overflow in expat_realloc (bsc#1283493). Changes for expat: Update to 2.8.5 (jsc#PED-16154): * Bug fixes: * Fix an OOM-related memory leak on a failed overflow check * Fix memory alignment for architectures with 128bit pointers * Mark XML_SetHashSalt deprecated

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