CVE-2018-20969
HIGH7.8EPSS 0.36%patch - security update
Published: 8/16/2019Modified: 4/28/2026
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.
Affected packages (4)
- Alpine/patchfrom 0, < 2.7.6-r6
- Debian/patchfrom 0, < 2.7.6-5
- Debian/patchfrom 0, < 2.7.5-1+deb8u3
- Debian/patchfrom 0, < 2.7.5-1+deb9u2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |