vulnerability
Arch Linux: Arbitrary code execution (CVE-2020-27814)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:P/I:P/A:P) | Jan 25, 2021 | Jul 11, 2025 | Nov 27, 2025 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
Jan 25, 2021
Added
Jul 11, 2025
Modified
Nov 27, 2025
Description
A heap-buffer overwrite error was discovered in lib/openjp2/mqc.c in OpenJPEG before version 2.4.0. The vulnerability causes an out-of-bounds write, which may lead to remote denial of service or possibly remote code execution.
Solution
arch-linux-upgrade-latest
References
- CVE-2020-27814
- https://attackerkb.com/topics/CVE-2020-27814
- URL-https://bugzilla.redhat.com/show_bug.cgi?id=1901998
- URL-https://github.com/uclouvain/openjpeg/issues/1283
- URL-https://lists.debian.org/debian-lts-announce/2021/02/msg00011.html
- URL-https://security.archlinux.org/ASA-202012-21
- URL-https://security.gentoo.org/glsa/202101-29
- URL-https://www.debian.org/security/2021/dsa-4882
- URL-https://www.oracle.com//security-alerts/cpujul2021.html
- CWE-122
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