CVE-2014-7186

critical
Published 2014-09-28 · Modified 2026-05-06
CVSS v3
CVSS v2
10.0
VIR risk
10.0

Description

The redirection implementation in parse.y in GNU Bash through 4.3 bash43-026 allows remote attackers to cause a denial of service (out-of-bounds array access and application crash) or possibly have unspecified other impact via crafted use of here documents, aka the "redir_stack" issue.

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-2014-7186

OS impact

OSVersionStatusFixed in
debian debianbookwormfixed4.3-9.2
debian debianbullseyefixed4.3-9.2
debian debianforkyfixed4.3-9.2
debian debiansidfixed4.3-9.2
debian debiantrixiefixed4.3-9.2

Application impact

VendorProductVersionsFixed
gnubash1.14.0
gnubash1.14.1
gnubash1.14.2
gnubash1.14.3
gnubash1.14.4
gnubash1.14.5
gnubash1.14.6
gnubash1.14.7
gnubash2.0
gnubash2.01
gnubash2.01.1
gnubash2.02
gnubash2.02.1
gnubash2.03
gnubash2.04
gnubash2.05
gnubash3.0
gnubash3.0.16
gnubash3.1
gnubash3.2
gnubash3.2.48
gnubash4.0
gnubash4.1
gnubash4.2
gnubash4.3

References

CWEs

CWE-119

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