Vulnerability in Uclouvain Openjpeg
CVE-2022-1122
A flaw was found in the opj2_decompress program in openjpeg2 2.4.0 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.
Vulnerability class: Dirty Pipe (CVE-2022-0847)
EPSS: 0.011 (62.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
Affected products
- Uclouvain Openjpeg — versions 2.4.0
- Debian Debian_linux — versions 9.0
- Fedoraproject Fedora — versions 34, 35, 36
- N/a Openjpeg2 — versions openjpeg2 version 2.4.0 and prior
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (x_refsource_FEDORA, vendor-advisory)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- secalert@redhat.com (x_refsource_FEDORA, vendor-advisory)
- secalert@redhat.com (x_refsource_FEDORA, vendor-advisory)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2022-1122?
- CVE-2022-1122 is a medium-severity vulnerability in Uclouvain Openjpeg, classified under Improper Initialization. CVSS score: 5.5/10. Published 2022-03-29.
- How severe is CVE-2022-1122?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2022-1122 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.