Description
Heap-based buffer overflow in less in Red Hat Enterprise Linux 3 allows attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted file, as demonstrated using the UTF-8 locale.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 3 | less | 378-12 | RHSA-2005:068 |
Advisories 1
- RHSA-2005:068 Red Hat Security Advisory: less security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
References
- oval:org.mitre.oval:def:11027 vdb-entry signature
- less-file-bo(19131) vdb-entry
- RHSA-2005:068 vendor-advisory
- https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=145527
- FLSA:2404 vendor-advisory