CVE-2009-0749
High
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.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Optipng
PublishedMar 2, 2009
First seenMar 2, 2009
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| optipng_project optipng | v ≤ 0.6.2 | — |
| opensuse opensuse | 10.3 ≤ v ≤ 11.1 | — |
| suse linux_enterprise | 9-11 | — |
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