Red Hat Security Advisory 2011-1811-01 - The netpbm packages contain a library of functions which support programs for handling various graphics file formats, including .pbm, .pgm, .pnm, .ppm, and others. Two heap-based buffer overflow flaws were found in the embedded JasPer library, which is used to provide support for Part 1 of the JPEG 2000 image compression standard in the jpeg2ktopam and pamtojpeg2k tools. An attacker could create a malicious JPEG 2000 compressed image file that could cause jpeg2ktopam to crash or, potentially, execute arbitrary code with the privileges of the user running jpeg2ktopam. These flaws do not affect pamtojpeg2k.
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