CVE-2022-1122

A flaw was found in the opj2_decompress program in openjpeg2 in the way it handles an input directory with a large number of files. When it fails to allocate a buffer to store the filenames of the input directory, it calls free() on an uninitialized pointer, leading to a segmentation fault and a denial of service.

This flaw affects the opj2_compress utility but is not in the openjpeg2 library. Therefore, the attack vector is local to the opj2_compress utility and would require an attacker to convince a user to open a directory with an extremely large number of files using opj2_compress, or a script to be feeding such arbitrary, untrusted files to opj2_compress.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.