CVE-2009-0749 - CVE House
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Status published High CVE-2009-0749

Use-after-free vulnerability in the GIFReadNextExtension function in lib/pngxtern/gif/gifread.c in OptiPNG...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

More from optipng project

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CVE-2017-16938
A global buffer overflow in OptiPNG 0.7.6 allows remote attackers...
High 7.8
CVE-2017-1000229
Integer overflow bug in function minitiff_read_info() of optipng 0.7.6 allows...
High 7.8
CVE-2016-3981
Heap-based buffer overflow in the bmp_read_rows function in pngxrbmp.c in...
High 7.8
CVE-2015-7802
gifread.c in gif2png, as used in OptiPNG before 0.7.6, allows...
Medium 5.5
CVE-2015-7801
Use-after-free vulnerability in OptiPNG 0.6.4 allows remote attackers to execute...
High 8.8

Affected Vendor

optipng project

View all reports →

Affected Software

optipng, opensuse, linux enterprise
Vulnerable Versions:
0, 10.3, 9-11

Timeline

Official Publish: March 2nd, 2009
Last Modified: August 7th, 2024
Added to House: July 19th, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.