CVE catalog

CVE-2016-9401

bash: CVE-2016-9401

Severity: Medium · CVSS 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Published: Jan 23, 2017, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 0.42% · Oct 25, 2026

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

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	bash	sid	`5.3-4`	fixed
Debian	bash	forky	`5.3-4`	fixed
Debian	bash	trixie	`5.2.37-2`	fixed
Debian	bash	bookworm	`5.2.15-2`	fixed
Alpine	bash	3.2	`4.3.33-r2`	fixed
Alpine	bash	3.3	`4.3.42-r5`	fixed
Alpine	bash	3.4	`4.3.42-r5`	fixed
Alpine	bash	3.5	`4.3.46-r5`	fixed
Ubuntu	bash	14.04	`4.2-5ubuntu3`	vulnerable
Ubuntu	bash	14.04	`4.3-1ubuntu2`	vulnerable
Ubuntu	bash	14.04	`4.3-2ubuntu1`	vulnerable
Ubuntu	bash	14.04	`4.3-3ubuntu1`	vulnerable
Ubuntu	bash	14.04	`4.3-4ubuntu1`	vulnerable
Ubuntu	bash	14.04	`4.3-4ubuntu2`	vulnerable
Ubuntu	bash	14.04	`4.3-6ubuntu1`	vulnerable
Ubuntu	bash	14.04	`4.3-7ubuntu1`	vulnerable
Ubuntu	bash	14.04	`4.3-7ubuntu1.1`	vulnerable
Ubuntu	bash	14.04	`4.3-7ubuntu1.2`	vulnerable
Ubuntu	bash	14.04	`4.3-7ubuntu1.3`	vulnerable
Ubuntu	bash	14.04	`4.3-7ubuntu1.4`	vulnerable
Ubuntu	bash	14.04	`4.3-7ubuntu1.5`	vulnerable
Ubuntu	bash	14.04	`4.3-7ubuntu1.6`	vulnerable
Ubuntu	bash	14.04	`4.3-7ubuntu1.7`	fixed
Ubuntu	bash	16.04	`4.3-14ubuntu1`	vulnerable
Ubuntu	bash	16.04	`4.3-14ubuntu1.1`	vulnerable
Ubuntu	bash	16.04	`4.3-14ubuntu1.2`	fixed
Ubuntu	bash	18.04	`4.4-5ubuntu1`	fixed
Suse	bash	linux enterprise desktop 12 sp2	`4.3-82.1`	fixed
Suse	bash	linux enterprise server for raspberry pi 12 sp2	`4.3-82.1`	fixed
Suse	bash	linux enterprise software development kit 12 sp2	`4.3-82.1`	fixed
Suse	bash	linux enterprise server 12 sp2	`4.3-82.1`	fixed
Suse	bash	linux enterprise server for sap applications 12 sp2	`4.3-82.1`	fixed
Suse	bash	linux enterprise workstation extension 12 sp2	`4.3-82.1`	fixed
Suse	bash	linux enterprise software development kit 11 sp4	`3.2-147.35.1`	fixed
Suse	bash	linux enterprise server 11 sp4	`3.2-147.35.1`	fixed
Suse	bash	linux enterprise server for sap applications 11 sp4	`3.2-147.35.1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	bash	source	sid	`4.4-3`	not yet assigned	Not reported	[844727]
Debian	bash	source	forky	`4.4-3`	not yet assigned	Not reported	[844727]
Debian	bash	source	trixie	`4.4-3`	not yet assigned	Not reported	[844727]
Debian	bash	source	bookworm	`4.4-3`	not yet assigned	Not reported	[844727]
Alpine	bash	apk	3.2	`4.3.33-r2`	Not reported	ALPINE-CVE-2016-9401	Not reported
Alpine	bash	apk	3.3	`4.3.42-r5`	Not reported	ALPINE-CVE-2016-9401	Not reported
Alpine	bash	apk	3.4	`4.3.42-r5`	Not reported	ALPINE-CVE-2016-9401	Not reported
Alpine	bash	apk	3.5	`4.3.46-r5`	Not reported	ALPINE-CVE-2016-9401	Not reported
Ubuntu	bash	deb	14.04	`4.3-7ubuntu1.7`	Not reported	UBUNTU-CVE-2016-9401	Not reported
Ubuntu	bash	deb	16.04	`4.3-14ubuntu1.2`	Not reported	UBUNTU-CVE-2016-9401	Not reported
Ubuntu	bash	deb	18.04	`4.4-5ubuntu1`	Not reported	UBUNTU-CVE-2016-9401	Not reported
Suse	bash	rpm	linux enterprise desktop 12 sp2	`4.3-82.1`	Not reported	SUSE-SU-2017:1317-1	Not reported
Suse	bash	rpm	linux enterprise server for raspberry pi 12 sp2	`4.3-82.1`	Not reported	SUSE-SU-2017:1317-1	Not reported
Suse	bash	rpm	linux enterprise software development kit 12 sp2	`4.3-82.1`	Not reported	SUSE-SU-2017:1317-1	Not reported
Suse	bash	rpm	linux enterprise server 12 sp2	`4.3-82.1`	Not reported	SUSE-SU-2017:1317-1	Not reported
Suse	bash	rpm	linux enterprise server for sap applications 12 sp2	`4.3-82.1`	Not reported	SUSE-SU-2017:1317-1	Not reported
Suse	bash	rpm	linux enterprise workstation extension 12 sp2	`4.3-82.1`	Not reported	SUSE-SU-2017:1317-1	Not reported
Suse	bash	rpm	linux enterprise software development kit 11 sp4	`3.2-147.35.1`	Not reported	SUSE-SU-2017:1337-1	Not reported
Suse	bash	rpm	linux enterprise server 11 sp4	`3.2-147.35.1`	Not reported	SUSE-SU-2017:1337-1	Not reported
Suse	bash	rpm	linux enterprise server for sap applications 11 sp4	`3.2-147.35.1`	Not reported	SUSE-SU-2017:1337-1	Not reported

[Debian bug #844727]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[bash]Fixed
Source package: [bash]
Details (2)
- 5.2.15-2+b13 · amd64 · bookworm
  Fixed · Fixed: 4.4-3
  dsa · bash · debian · bookworm; dsa · bash · debian · 12
- 5.2.15-2+b13 · arm64 · bookworm
  Fixed · Fixed: 4.4-3
  dsa · bash · debian · bookworm; dsa · bash · debian · 12
[bash-builtins]Fixed
Source package: [bash]
Details (2)
- 5.2.15-2+b13 · amd64 · bookworm
  Fixed · Fixed: 4.4-3
  dsa · bash · debian · bookworm; dsa · bash · debian · 12
- 5.2.15-2+b13 · arm64 · bookworm
  Fixed · Fixed: 4.4-3
  dsa · bash · debian · bookworm; dsa · bash · debian · 12
[bash-doc]Fixed
Source package: [bash]
Details (2)
- 5.2.15-2 · all · bookworm
  Fixed · Fixed: 4.4-3
  dsa · bash · debian · bookworm; dsa · bash · debian · 12
- 5.2.15-2 · all · bookworm
  Fixed · Fixed: 4.4-3
  dsa · bash · debian · bookworm; dsa · bash · debian · 12
[bash-static]Fixed
Source package: [bash]
Details (2)
- 5.2.15-2+b13 · amd64 · bookworm
  Fixed · Fixed: 4.4-3
  dsa · bash · debian · bookworm; dsa · bash · debian · 12
- 5.2.15-2+b13 · arm64 · bookworm
  Fixed · Fixed: 4.4-3
  dsa · bash · debian · bookworm; dsa · bash · debian · 12

[Debian 13 (Trixie)]

[bash]Fixed
Source package: [bash]
Details (2)
- 5.2.37-2+b9 · amd64 · trixie
  Fixed · Fixed: 4.4-3
  dsa · bash · debian · 13
- 5.2.37-2+b9 · arm64 · trixie
  Fixed · Fixed: 4.4-3
  dsa · bash · debian · 13
[bash-builtins]Fixed
Source package: [bash]
Details (2)
- 5.2.37-2+b9 · amd64 · trixie
  Fixed · Fixed: 4.4-3
  dsa · bash · debian · 13
- 5.2.37-2+b9 · arm64 · trixie
  Fixed · Fixed: 4.4-3
  dsa · bash · debian · 13
[bash-doc]Fixed
Source package: [bash]
Details (2)
- 5.2.37-2 · all · trixie
  Fixed · Fixed: 4.4-3
  dsa · bash · debian · 13
- 5.2.37-2 · all · trixie
  Fixed · Fixed: 4.4-3
  dsa · bash · debian · 13
[bash-static]Fixed
Source package: [bash]
Details (2)
- 5.2.37-2+b9 · amd64 · trixie
  Fixed · Fixed: 4.4-3
  dsa · bash · debian · 13
- 5.2.37-2+b9 · arm64 · trixie
  Fixed · Fixed: 4.4-3
  dsa · bash · debian · 13

Observed: Oct 23, 2026, 5:23:54 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]