CVE-2025-6966 (GCVE-0-2025-6966)

Vulnerability from cvelistv5 – Published: 2025-12-05 12:59 – Updated: 2025-12-15 22:04
VLAI?
Title
Null-pointer dereference in python-apt TagSection.keys()
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.
Severity ?
6.9 (Medium)
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
Canonical python-apt Affected: 3.0 , < 3.0.0ubuntu1.1 (custom)
Affected: 3.0 , < 3.0.0ubuntu0.25.04.1 (custom)
Affected: 2.7 , < 2.7.7ubuntu5.1 (custom)
Affected: 2.4 , < 2.4.0ubuntu4.1 (custom)
Affected: 2.0 , < 2.0.1ubuntu0.20.04.1+esm1 (custom)
Affected: 1.6 , < 1.6.6ubuntu0.1~esm1 (custom)
Affected: 1.1 , < 1.1.0~beta1ubuntu0.16.04.12+esm1 (custom)
Affected: 0 , < 0.9.3.5ubuntu3+esm5 (custom)
Create a notification for this product.
Credits
Julian Andres Klode
Show details on NVD website
To clipboard 

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    }
  }
}


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Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • 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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.