CVE-2016-9401

medium
Published 2017-01-23 ยท Modified 2026-05-13
CVSS v3
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
5.5

Description

popd in bash might allow local users to bypass the restricted shell and cause a use-after-free via a crafted address.

Predictions

Exploit likelihood
55%
Patch ETA
โ€”

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

redhat Red Hat Affected 2 releases
VersionStatusFixed in
7.0 Affected โ€”
6.0 Affected โ€”
suse SUSE Affected 1 release
VersionStatusFixed in
โ€” Affected โ€”
debian Debian Mixed 6 releases
VersionStatusFixed in
trixie Fixed 4.4-3
sid Fixed 4.4-3
forky Fixed 4.4-3
bullseye Fixed 4.4-3
bookworm Fixed 4.4-3
8.0 Affected โ€”

Application impact

VendorProductVersionsFixed
gnubash{"endExcluding":"4.4"}4.4
gnubash4.4

References

CWEs

CWE-416

Community-verified mitigations for this CVE will appear above when contributors publish them.

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