libtiff.so is vulnerable to denial of service (DoS). The attack is possible because TIFFCheckMalloc
and TIFFCheckRealloc
in tifaux.c
do not safely detect overflows in the multiplication of nmemb and elemsize, causing an application crash.
lists.opensuse.org/opensuse-security-announce/2020-09/msg00102.html
lists.opensuse.org/opensuse-security-announce/2020-11/msg00023.html
packetstormsecurity.com/files/155095/Slackware-Security-Advisory-libtiff-Updates.html
gitlab.com/libtiff/libtiff/merge_requests/90
lists.debian.org/debian-lts-announce/2019/08/msg00031.html
lists.fedoraproject.org/archives/list/[email protected]/message/63BVT6N5KQPHWOWM4B3I7Z3ODBXUVNPS/
lists.fedoraproject.org/archives/list/[email protected]/message/ADNPG7JJTRRK22GUVTAFH3GJ6WGKUZJB/
seclists.org/bugtraq/2019/Nov/5
seclists.org/bugtraq/2020/Jan/32
www.debian.org/security/2020/dsa-4608
www.debian.org/security/2020/dsa-4670