CVE-2023-2731 Information

Description

A NULL pointer dereference flaw was found in Libtiff’s LZWDecode() function in the libtiff/tif_lzw.c file. This flaw allows a local attacker to craft specific input data that can cause the program to dereference a NULL pointer when decompressing a TIFF format file resulting in a program crash or denial of service.

Reference

https://github.com/libsdl-org/libtiff/commit/9be22b639ea69e102d3847dca4c53ef025e9527b https://bugzilla.redhat.com/show_bug.cgi?id=2207635 https://gitlab.com/libtiff/libtiff/-/issues/548 https://access.redhat.com/security/cve/CVE-2023-2731