CVE-2011-2691

Advisory lineage Upstream: 0 Downstream: 2
Modified
Published: 17 Jul 2011, 20:00
Last modified:06 Aug 2024, 23:08

Vulnerability Summary

Overall Risk (default)
medium
38/100
CVSS Score
6.5 MEDIUM
v3.1 (nvd)
EPSS Score
7.69% LOW
8% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

17 Jul 2011, 20:00
Published
Vulnerability first disclosed
06 Aug 2024, 23:08
Last Modified
Vulnerability information updated

Description

The png_err function in pngerror.c in libpng 1.0.x before 1.0.55, 1.2.x before 1.2.45, 1.4.x before 1.4.8, and 1.5.x before 1.5.4 makes a function call using a NULL pointer argument instead of an empty-string argument, which allows remote attackers to cause a denial of service (application crash) via a crafted PNG image.

CVSS Metrics

  • v3.1•MEDIUM•Score: 6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  • v2.0•MEDIUM•Score: 4.3AV:N/AC:M/Au:N/C:N/I:N/A:P

EPSS Trends

Current EPSS score: 7.69%• Percentile: 92%

Techniques & Countermeasures

  • CWE-476•NULL Pointer Dereference

    The product dereferences a pointer that it expects to be valid but is NULL.

Affected Systems

  • debian•debian_linux

    5.0 | 6.0

  • fedoraproject•fedora

    14

  • libpng•libpng

    ≥ 1.0.0, < 1.0.55 | ≥ 1.2.0, < 1.2.45 | ≥ 1.4.0, < 1.4.8 | ≥ 1.5.0, < 1.5.4

References (17)