CVE-2024-32487

less through 653 allows OS command execution via a newline character in the name of a file, because quoting is mishandled in filename.c. Exploitation typically requires use with attacker-controlled file names, such as the files extracted from an untrusted archive. Exploitation also requires the LESSOPEN environment variable, but this is set by default in many common cases.

• CWE-96

• http://www.openwall.com/lists/oss-security/2024/04/15/1Mailing List
• https://github.com/gwsw/less/commit/007521ac3c95bc76e3d59c6dbfe75d06c8075c33Patch
• https://lists.debian.org/debian-lts-announce/2024/05/msg00018.htmlMailing List
• https://security.netapp.com/advisory/ntap-20240605-0009/Vendor Advisory
• https://www.openwall.com/lists/oss-security/2024/04/12/5Mailing List
• https://www.openwall.com/lists/oss-security/2024/04/13/2Mailing List, Patch
• http://www.openwall.com/lists/oss-security/2024/04/15/1Mailing List
• https://github.com/gwsw/less/commit/007521ac3c95bc76e3d59c6dbfe75d06c8075c33Patch
• https://lists.debian.org/debian-lts-announce/2024/05/msg00018.htmlMailing List
• https://security.netapp.com/advisory/ntap-20240605-0009/Vendor Advisory
• https://www.openwall.com/lists/oss-security/2024/04/12/5Mailing List
• https://www.openwall.com/lists/oss-security/2024/04/13/2Mailing List, Patch

Published

Apr 13, 2024

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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