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CVE-2025-6966

Null-pointer dereference in python-apt TagSection.keys()

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 3.0.0ubuntu1.1, 3.0.0ubuntu0.25.04.1, 2.7.7ubuntu5.1, 2.4.0ubuntu4.1, 2.0.1ubuntu0.20.04.1+esm1, and 3 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

NULL pointer dereference in TagSection.keys() in python-apt on APT-based Linux systems allows a local attacker to cause a denial of service (process crash) via a crafted deb822 file with a malformed non-UTF-8 key.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • python-apt

    From 3.0 · fixed in 3.0.0ubuntu1.1; From 3.0 · fixed in 3.0.0ubuntu0.25.04.1; From 2.7 · fixed in 2.7.7ubuntu5.1; From 2.4 · fixed in 2.4.0ubuntu4.1; From 2.0 · fixed in 2.0.1ubuntu0.20.04.1+esm1; From 1.6 · fixed in 1.6.6ubuntu0.1~esm1; From 1.1 · fixed in 1.1.0~beta1ubuntu0.16.04.12+esm1; fixed in 0.9.3.5ubuntu3+esm5

References 1

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