CVE-2026-25210

State
Published
Severity
6.9 Medium
Published
Jan 30, 2026
Updated
Jun 2, 2026
Reserved
Jan 30, 2026

Read the record on cve.org

Description

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.

Scores

CVSSScoreVectorSource
3.16.9 MediumCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Lmitre

Weaknesses

  • CWE-190 Integer Overflow or Wraparound

Affected Products

ProductVersions
libexpatlibexpat project
  • before 2.7.4Affected

References

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