vulnerability

Red Hat: CVE-2018-20969: CVE-2018-20969 patch: do_ed_script in pch.c does not block strings beginning with a ! character (Multiple Advisories)

Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
Published
Aug 16, 2019
Added
Sep 20, 2019
Modified
Aug 11, 2025

Description

do_ed_script in pch.c in GNU patch through 2.7.6 does not block strings beginning with a ! character. NOTE: this is the same commit as for CVE-2019-13638, but the ! syntax is specific to ed, and is unrelated to a shell metacharacter.

Solutions

no-fix-redhat-rpm-packageredhat-upgrade-patchredhat-upgrade-patch-debuginforedhat-upgrade-patch-debugsource
Title
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