CVE-2026-25210 (GCVE-0-2026-25210)

Vulnerability from cvelistv5 – Published: 2026-01-30 06:40 – Updated: 2026-02-03 16:42
VLAI?
Summary
In libexpat before 2.7.4, the doContent function does not properly determine the buffer size bufSize because there is no integer overflow check for tag buffer reallocation.
Severity ?
6.9 (Medium)
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
CWE
  • CWE-190 - Integer Overflow or Wraparound
Assigner
References
Impacted products
Vendor Product Version
libexpat project libexpat Affected: 0 , < 2.7.4 (semver)
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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