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.

Threat-Mapped Scoring

Score: 1.5

Priority: P4 - Informational (Low)

• S10 – Denial of Service

EPSS

Score: 0.00408
Percentile: 0.60334

CVSS Scoring

Mapped CWE(s)

• CWE-416 : Use After Free

Affected Products

• cpe:2.3:a:optipng_project:optipng:*:*:*:*:*:*:*:*
• cpe:2.3:o:opensuse:opensuse:*:*:*:*:*:*:*:*
• cpe:2.3:o:suse:linux_enterprise:9-11:*:*:*:*:*:*:*

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