An issue was discovered in LibTIFF 4.0.9. There is a int32 overflow in multiply_ms in tools/ppm2tiff.c, which can cause a denial of service (crash) or possibly have unspecified other impact via a crafted image file.
Created libtiff tracking bugs for this issue:
Affects: fedora-all [bug 1631070]
Created mingw-libtiff tracking bugs for this issue:
Affects: epel-7 [bug 1631072]
Affects: fedora-all [bug 1631071]
Classic heap buffer overflow caused by integer overflow in ppm2tiff. The tool is used to concert ppm format files to TIFF.
This issue has been addressed in the following products:
Red Hat Enterprise Linux 7
Via RHSA-2019:2053 https://access.redhat.com/errata/RHSA-2019:2053
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):