CVE-2018-17456

high
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
8.0

Description

Git before 2.14.5, 2.15.x before 2.15.3, 2.16.x before 2.16.5, 2.17.x before 2.17.2, 2.18.x before 2.18.1, and 2.19.x before 2.19.1 allows remote code execution during processing of a recursive "git clone" of a superproject if a .gitmodules file has a URL field beginning with a '-' character.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2018-17456

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2018-17456.html

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201810-7

OS impact

OSVersionStatusFixed in
arch archfixed2.19.1-1
suse slesaffected
debian debianbookwormfixed1:2.19.1-1
debian debianbullseyefixed1:2.19.1-1
debian debianforkyfixed1:2.19.1-1
debian debiansidfixed1:2.19.1-1
debian debiantrixiefixed1:2.19.1-1

References

Verify integrity in audit chain (admin only). AS-IS.