openjpeg: Multiple vulnerabilities (CVE-2019-12973, CVE-2020-15389)

CVE-2019-12973: denial of service in function opj_t1_encode_cblks in openjp2/t1.c

In OpenJPEG 2.3.1, there is excessive iteration in the opj_t1_encode_cblks function of openjp2/t1.c. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted bmp file. This issue is similar to CVE-2018-6616.

References:

• https://github.com/uclouvain/openjpeg/pull/1185
• https://nvd.nist.gov/vuln/detail/CVE-2019-12973

CVE-2020-15389: use-after-free and double-free via a mix of valid and invalid files in a directory operated on by the decompressor

jp2/opj_decompress.c in OpenJPEG through 2.3.1 has a use-after-free that can be triggered if there is a mix of valid and invalid files in a directory operated on by the decompressor. Triggering a double-free may also be possible. This is related to calling opj_image_destroy twice.

References:

• https://github.com/uclouvain/openjpeg/issues/1261
• https://nvd.nist.gov/vuln/detail/CVE-2020-15389

Affected branches:

• master
• 3.12-stable
• 3.11-stable
• 3.10-stable
• 3.9-stable