CVE-2011-2692
High
Description
The png_handle_sCAL function in pngrutil.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 does not properly handle invalid sCAL chunks, which allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly have unspecified other impact via a crafted PNG image that triggers the reading of uninitialized memory.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Libpng
PublishedJul 17, 2011
First seenJul 17, 2011
How to fix
Update
- libpng libpng1.0.55, 1.2.45, 1.4.8, 1.5.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| libpng libpng | 1.0.0 ≤ v < 1.0.55, 1.2.0 ≤ v < 1.2.45, 1.4.0 ≤ v < 1.4.8, 1.5.0 ≤ v < 1.5.4 | 1.0.55, 1.2.45, 1.4.8, 1.5.4 |
| fedoraproject fedora | 14 | — |
| debian debian_linux | 5.0, 6.0 | — |
| canonical ubuntu_linux | 8.04, 10.04, 10.10, 11.04 | — |
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