CVE-2011-2501

Advisory lineage Upstream: 0 Downstream: 3
Modified
Published: 17 Jul 2011, 20:00
Last modified:06 Aug 2024, 23:00

Vulnerability Summary

Overall Risk (default)
medium
36/100
CVSS Score
6.5 MEDIUM
v3.1 (nvd)
EPSS Score
2.25% LOW
2% 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, 23:00
Last Modified
Vulnerability information updated

Description

The png_format_buffer 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 allows remote attackers to cause a denial of service (application crash) via a crafted PNG image that triggers an out-of-bounds read during the copying of error-message data. NOTE: this vulnerability exists because of a CVE-2004-0421 regression. NOTE: this is called an off-by-one error by some sources.

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: 2.25%• Percentile: 85%

Techniques & Countermeasures

  • CWE-125•Out-of-bounds Read

    The product reads data past the end, or before the beginning, of the intended buffer.

Affected Systems

  • canonical•ubuntu_linux

    8.04 | 10.04 | 10.10 | 11.04

  • 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 (23)