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...

References

• advisory https://access.redhat.com/errata/RHSA-2019:2053
• advisory https://lists.debian.org/debian-lts-announce/2018/10/msg00019.html
• advisory https://usn.ubuntu.com/3864-1/
• advisory https://www.debian.org/security/2020/dsa-4670
• patch http://bugzilla.maptools.org/show_bug.cgi?id=2810
• patch https://gitlab.com/libtiff/libtiff/merge_requests/33/diffs?commit_id=6da1fb3f64d43be37e640efbec60400d1f1ac39e
• web https://usn.ubuntu.com/3906-2/