Findings

CVE-2022-40674

libexpat before 2.4.9 has a use-after-free in the doContent function in xmlparse.c.

Published Sep 14, 2022 · updated Oct 14, 2026 · libexpat project libexpat

libexpat before 2.4.9 has a use-after-free in the doContent function in xmlparse.c.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 14, 2022 · NIST NVD

    Detected

    libexpat before 2.4.9 has a use-after-free in the doContent function in xmlparse.c.

  2. Oct 14, 2026 · NIST NVD

    Updated

    libexpat before 2.4.9 has a use-after-free in the doContent function in xmlparse.c.

Affected

  • cpe debian/debian linux10.0
  • cpe debian/debian linux11.0
  • cpe fedoraproject/fedora35
  • cpe fedoraproject/fedora36
  • cpe fedoraproject/fedora37
  • cpe libexpat project/libexpatversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2022-40674

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2022-40674

    30-day exploitation probability 2.3%

    first.org
  • NIST NVDVulnerability recordCVE-2022-40674

    libexpat before 2.4.9 has a use-after-free in the doContent function in xmlparse.c.

    nvd.nist.gov

References