jbig2dec is a decoder implementation of the JBIG2 image compression format. Security Fix(es): * jbig2dec: heap-based buffer overflow in jbig2_image_compose in jbig2_image.c (CVE-2020-12268) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.