CVE catalog
CVE-2014-6271
bash: CVE-2014-6271
- Severity
- Critical · CVSS 10
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Published
- Source
- [NVD] · [CVE record]
- Exploitation
- CISA Known Exploited Vulnerabilities
- EPSS
- 100.00% · Oct 25, 2026
GNU Bash through 4.3 processes trailing strings after function definitions in the values of environment variables, which allows remote attackers to execute code.
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 |
| 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 | 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 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | bash | source | sid | 4.3-9.1 | not yet assigned | Not reported | Not reported |
| Debian | bash | source | forky | 4.3-9.1 | not yet assigned | Not reported | Not reported |
| Debian | bash | source | trixie | 4.3-9.1 | not yet assigned | Not reported | Not reported |
| Debian | bash | source | bookworm | 4.3-9.1 | not yet assigned | Not reported | Not reported |
| Ubuntu | bash | deb | 14.04 | 4.3-7ubuntu1.1 | Not reported | USN-2362-1 | Not reported |
| Ubuntu | bash | deb | 14.04 | 4.3-7ubuntu1.1 | Not reported | UBUNTU-CVE-2014-6271 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [bash]Fixed
Source package: [bash]
Details (2)
5.2.15-2+b13· amd64 · bookwormFixed · Fixed:
4.3-9.1dsa · bash · debian · bookworm; dsa · bash · debian · 12
5.2.15-2+b13· arm64 · bookwormFixed · Fixed:
4.3-9.1dsa · bash · debian · bookworm; dsa · bash · debian · 12
- [bash-builtins]Fixed
Source package: [bash]
Details (2)
5.2.15-2+b13· amd64 · bookwormFixed · Fixed:
4.3-9.1dsa · bash · debian · bookworm; dsa · bash · debian · 12
5.2.15-2+b13· arm64 · bookwormFixed · Fixed:
4.3-9.1dsa · bash · debian · bookworm; dsa · bash · debian · 12
- [bash-doc]Fixed
Source package: [bash]
Details (2)
5.2.15-2· all · bookwormFixed · Fixed:
4.3-9.1dsa · bash · debian · bookworm; dsa · bash · debian · 12
5.2.15-2· all · bookwormFixed · Fixed:
4.3-9.1dsa · bash · debian · bookworm; dsa · bash · debian · 12
- [bash-static]Fixed
Source package: [bash]
Details (2)
5.2.15-2+b13· amd64 · bookwormFixed · Fixed:
4.3-9.1dsa · bash · debian · bookworm; dsa · bash · debian · 12
5.2.15-2+b13· arm64 · bookwormFixed · Fixed:
4.3-9.1dsa · bash · debian · bookworm; dsa · bash · debian · 12
[Debian 13 (Trixie)]
- [bash]Fixed
Source package: [bash]
Details (2)
5.2.37-2+b9· amd64 · trixieFixed · Fixed:
4.3-9.1dsa · bash · debian · 13
5.2.37-2+b9· arm64 · trixieFixed · Fixed:
4.3-9.1dsa · bash · debian · 13
- [bash-builtins]Fixed
Source package: [bash]
Details (2)
5.2.37-2+b9· amd64 · trixieFixed · Fixed:
4.3-9.1dsa · bash · debian · 13
5.2.37-2+b9· arm64 · trixieFixed · Fixed:
4.3-9.1dsa · bash · debian · 13
- [bash-doc]Fixed
Source package: [bash]
Details (2)
5.2.37-2· all · trixieFixed · Fixed:
4.3-9.1dsa · bash · debian · 13
5.2.37-2· all · trixieFixed · Fixed:
4.3-9.1dsa · bash · debian · 13
- [bash-static]Fixed
Source package: [bash]
Details (2)
5.2.37-2+b9· amd64 · trixieFixed · Fixed:
4.3-9.1dsa · bash · debian · 13
5.2.37-2+b9· arm64 · trixieFixed · Fixed:
4.3-9.1dsa · bash · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2014_1293.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2014-6271]
- [https://osv.dev/vulnerability/DLA-59-1]
- [https://osv.dev/vulnerability/DSA-3032-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2014-6271]
- [https://osv.dev/vulnerability/USN-2362-1]
- [https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2014/icsa-14-269-01a.json]
- [https://security-tracker.debian.org/tracker/CVE-2014-6271]
- [https://security.access.redhat.com/data/csaf/v2/vex/2014/cve-2014-6271.json]
- [https://www.cisa.gov/known-exploited-vulnerabilities-catalog]
[CISA cybersecurity advisories] · [CISA Known Exploited Vulnerabilities (OSINT)] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]