The png_format_buffer function in pngerror.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 allows remote attackers to cause a denial of service
(application crash) via a crafted PNG image that triggers an
out-of-bounds read during the copying of error-message data. NOTE:
this vulnerability exists because of a CVE-2004-0421 regression.
NOTE: this is called an off-by-one error by some sources.
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MLIST:[oss-security] 20110627 CVE request for libpng regression (CVE-2004-0421)
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the CVE-ID was allocated or reserved, and does not
necessarily indicate when this vulnerability was
discovered, shared with the affected vendor, publicly
disclosed, or updated in CVE.
This is an entry on the CVE
list, which standardizes names for security