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In ImageMagick, there is a heap-buffer-over-flow at coders/palm.c:956:21 in WritePALMImage. Reference: https://github.com/ImageMagick/ImageMagick/issues/1714 Upstream patch: https://github.com/ImageMagick/ImageMagick/commit/cfd829bd3581b092e0a267b3deba46fa90b9bc88
Flaw summary: The PALM image coder at coders/palm.c makes an improper call to AcquireQuantumMemory() in routine WritePALMImage() because it needs to be offset by 256. This can cause a out-of-bounds read later on in the routine. The patch adds 256 to bytes_per_row in the call to AcquireQuantumMemory(). This could cause impact to reliability.
Acknowledgments: Name: Suhwan Song (Seoul National University)
Statement: This flaw is out of support scope for Red Hat Enterprise Linux 5, 6, and 7. Inkscape is not affected because it no longer uses a bundled ImageMagick in Red Hat Enterprise Linux 8. For more information regarding support scopes, please see https://access.redhat.com/support/policy/updates/errata .
Created ImageMagick tracking bugs for this issue: Affects: epel-8 [bug 1901227] Affects: fedora-all [bug 1901228]
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s): https://access.redhat.com/security/cve/cve-2020-25665