High severity7.8NVD Advisory· Published Aug 16, 2019· Updated Jun 17, 2026
CVE-2018-20969
CVE-2018-20969
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
7- GNU/patchdescription
- osv-coords4 versions
< 2.7.6-r3+ 3 more
- (no CPE)range: < 2.7.6-r3
- (no CPE)range: < 2.7.6-r3
- (no CPE)range: < 2.7.6-r3
- (no CPE)range: < 2.7.6-r3
Patches
Vulnerability mechanics
References
8- git.savannah.gnu.org/cgit/patch.git/commit/nvdPatchVendor Advisory
- seclists.org/bugtraq/2019/Aug/29nvdExploitMailing ListPatchThird Party Advisory
- packetstormsecurity.com/files/154124/GNU-patch-Command-Injection-Directory-Traversal.htmlnvdThird Party AdvisoryVDB Entry
- access.redhat.com/errata/RHSA-2019:2798nvd
- access.redhat.com/errata/RHSA-2019:2964nvd
- access.redhat.com/errata/RHSA-2019:3757nvd
- access.redhat.com/errata/RHSA-2019:3758nvd
- access.redhat.com/errata/RHSA-2019:4061nvd
News mentions
0No linked articles in our index yet.