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CVE-2011-2692

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 han…

Impact

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.

Affected products

VendorProductAffected versions
LibpngLibpng
from 1.0.0 before 1.0.55
from 1.2.0 before 1.2.45
from 1.4.0 before 1.4.8
from 1.5.0 before 1.5.4
FedoraprojectFedora
Version 14
DebianDebian Linux
Versions 5.0, 6.0
CanonicalUbuntu Linux
Versions 8.04, 10.04, 10.10, 11.04

Weakness classification

CWE-119

References