CVE-2026-102633 (GCVE-0-2026-102633)
Vulnerability from cvelistv5
Published
2026-09-29 16:04
Modified
2026-09-29 16:52
Severity ?
8.2 (High) - CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
5.9 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-190 - Integer Overflow or Wraparound
Summary
libexpat versions 2.7.2 through 2.8.5 contain an integer overflow vulnerability in expat_realloc() function on 32-bit platforms when computing allocation sizes. Attackers supplying malicious XML to applications parsing with vulnerable libexpat can cause heap buffer overflow, memory corruption, or denial of service.
References
Impacted products
Vendor Product Version
libexpat libexpat Version: 2.7.2   ≤ 2.8.5
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