CVE-2009-0749 — Use After Free in Project Optipng
Severity
7.8HIGHNVD
EPSS
0.4%
top 38.79%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMar 2
Latest updateMay 2
Description
Use-after-free vulnerability in the GIFReadNextExtension function in lib/pngxtern/gif/gifread.c in OptiPNG 0.6.2 and earlier allows context-dependent attackers to cause a denial of service (application crash) via a crafted GIF image that causes the realloc function to return a new pointer, which triggers memory corruption when the old pointer is accessed.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9
Affected Packages3 packages
Also affects: Linux Enterprise 9-11
Patches
🔴Vulnerability Details
3GHSA▶
GHSA-pmrr-7vvq-vpj6: Use-after-free vulnerability in the GIFReadNextExtension function in lib/pngxtern/gif/gifread↗2022-05-02
OSV▶
CVE-2009-0749: Use-after-free vulnerability in the GIFReadNextExtension function in lib/pngxtern/gif/gifread↗2009-03-02
CVEList▶
CVE-2009-0749: Use-after-free vulnerability in the GIFReadNextExtension function in lib/pngxtern/gif/gifread↗2009-03-02