USN-8582-1: jbig2dec vulnerabilities

Zeng Yunxiang and Song Jiaxuan discovered that jbig2dec had an
out-of-bounds read vulnerability in its command-line tool. An attacker
could possibly use this issue to cause jbig2dec to crash, resulting in a
denial of service. This issue only affected Ubuntu 22.04 LTS.
(CVE-2023-46361)

It was discovered that jbig2dec had an integer overflow in the
jbig2_arith_iaid_ctx_new() function. An attacker could possibly use this
issue to cause a denial of service. (CVE-2026-38076)