CVE-2022-48624

less: close_altfile in filename.c in less before 606 omits shell_quote calls for LESSCLOSE.

CVE-2022-48624 is fixed in 3 products on 1 platform, first by ALAS2023-2023-123, released March 6, 2023. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
8.6
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0106
64th percentile

close_altfile in filename.c in less before 606 omits shell_quote calls for LESSCLOSE.

Where it's fixed

ProductFixed inFixReleased
Linux
less · Debian 11.6 (bullseye) 551-2+deb11u2 DSA-5679-1 May 3, 2024
less · Debian 12.15 (bookworm) 590-2.1~deb12u2 DSA-5679-1 May 3, 2024
less · Debian 13.5 (trixie) 590-2.1 DEBIAN-CVE-2022-48624 Feb 19, 2024
less · Debian 14 590-2.1 DEBIAN-CVE-2022-48624 Feb 19, 2024
less · RHEL 8 0:530-3.el8_10 RHSA-2024:4256 Jul 2, 2024
less · RHEL 9 0:590-3.el9_3 RHSA-2024:1692 Apr 8, 2024
less · Ubuntu 18.04.6 LTS (bionic) 487-0.1ubuntu0.1~esm1 less 487-0.1ubuntu0.1~esm1 Feb 18, 2024
less · Ubuntu 20.04 LTS (focal) 551-1ubuntu0.2 less 551-1ubuntu0.2 Feb 18, 2024
less · Ubuntu 22.04.1 LTS (jammy) 590-1ubuntu0.22.04.2 less 590-1ubuntu0.22.04.2 Feb 18, 2024
less · Ubuntu 24.04.5 LTS (noble) 590-2ubuntu1 less 590-2ubuntu1 Feb 18, 2024
less · Ubuntu 24.10 (oracular) 590-2ubuntu1 less 590-2ubuntu1 Jan 16, 2026
less · Ubuntu 25.04 (plucky) 590-2ubuntu1 less 590-2ubuntu1 Jan 16, 2026
less · almalinux 8 530-3.el8_10 ALSA-2024:4256 Jul 2, 2024
less · almalinux 9 590-3.el9_3 ALSA-2024:1692 Apr 8, 2024
less · amzn 2023 608-2.amzn2023.0.1 ALAS2023-2023-123 Mar 6, 2023
less · ol 8 0:530-2.el8_9 ELSA-2024-1610 Apr 3, 2024
less · ol 9 0:590-3.el9_3 ELSA-2024-1692 Apr 8, 2024
less · rocky 8 0:530-3.el8_10 RLSA-2024:4256 May 7, 2025
less · rocky 9 0:590-3.el9_3 RLSA-2024:1692 May 10, 2024
less-debuginfo · amzn 2023 608-2.amzn2023.0.1 ALAS2023-2023-123 Mar 6, 2023
less-debugsource · amzn 2023 608-2.amzn2023.0.1 ALAS2023-2023-123 Mar 6, 2023

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