# Gnu Bash vulnerabilities

Source: https://junglewise.ai/threats/technologies/bash  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/bash.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 7 vulnerabilities in Gnu Bash: 0 in the last 7 days and 0 in the last 90 days, 3 of them critical and 3 exploited in the wild. The most recent, CVE-2014-6278, was published on 2 October 2025.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 7 (3 critical, 3 exploited in the wild)

## About Gnu Bash

Unix shell and command language for scripting and interactive use.

## Latest Gnu Bash vulnerabilities

- [CVE-2014-6278: GNU Bash OS command injection via environment variables](https://junglewise.ai/threats/cve-2014-6278-gnu-bash-os-command-injection-via-environment-variables) (critical, exploited in the wild, CVSS 10, published 2 Oct 2025)
- [CVE-2014-6271: GNU Bourne-Again Shell (Bash) Arbitrary Code Execution Vulnerability](https://junglewise.ai/threats/cve-2014-6271-gnu-bourne-again-shell-bash-arbitrary-code-execution-vulnerability) (critical, exploited in the wild, CVSS 9.8, published 28 Jan 2022)
- [CVE-2014-7169: GNU Bourne-Again Shell (Bash) Arbitrary Code Execution Vulnerability](https://junglewise.ai/threats/cve-2014-7169-gnu-bourne-again-shell-bash-arbitrary-code-execution-vulnerability) (critical, exploited in the wild, CVSS 9.8, published 28 Jan 2022)
- [CVE-2016-9401: GNU Bash use-after-free in popd builtin](https://junglewise.ai/threats/cve-2016-9401-gnu-bash-use-after-free-in-popd-builtin) (medium, CVSS 5.5, published 23 Jan 2017)
- [CVE-2016-7543: GNU Bash privilege escalation via SHELLOPTS and PS4 variables](https://junglewise.ai/threats/cve-2016-7543-gnu-bash-privilege-escalation-via-shellopts-and-ps4-variables) (high, CVSS 8.4, published 19 Jan 2017)
- [CVE-1999-0234: GNU Bash command separator injection via character 255](https://junglewise.ai/threats/cve-1999-0234-gnu-bash-command-separator-injection-via-character-255) (medium, CVSS 4.6, published 8 Oct 1996)
- [CVE-1999-1383: GNU bash and tcsh command injection via directory names](https://junglewise.ai/threats/cve-1999-1383-gnu-bash-and-tcsh-command-injection-via-directory-names) (medium, CVSS 4.6, published 13 Sep 1996)

## Most severe Gnu Bash vulnerabilities

- [CVE-2014-6278: GNU Bash OS command injection via environment variables](https://junglewise.ai/threats/cve-2014-6278-gnu-bash-os-command-injection-via-environment-variables) (critical, exploited in the wild, CVSS 10, published 2 Oct 2025)
- [CVE-2014-6271: GNU Bourne-Again Shell (Bash) Arbitrary Code Execution Vulnerability](https://junglewise.ai/threats/cve-2014-6271-gnu-bourne-again-shell-bash-arbitrary-code-execution-vulnerability) (critical, exploited in the wild, CVSS 9.8, published 28 Jan 2022)
- [CVE-2014-7169: GNU Bourne-Again Shell (Bash) Arbitrary Code Execution Vulnerability](https://junglewise.ai/threats/cve-2014-7169-gnu-bourne-again-shell-bash-arbitrary-code-execution-vulnerability) (critical, exploited in the wild, CVSS 9.8, published 28 Jan 2022)
- [CVE-2016-7543: GNU Bash privilege escalation via SHELLOPTS and PS4 variables](https://junglewise.ai/threats/cve-2016-7543-gnu-bash-privilege-escalation-via-shellopts-and-ps4-variables) (high, CVSS 8.4, published 19 Jan 2017)
- [CVE-2016-9401: GNU Bash use-after-free in popd builtin](https://junglewise.ai/threats/cve-2016-9401-gnu-bash-use-after-free-in-popd-builtin) (medium, CVSS 5.5, published 23 Jan 2017)
- [CVE-1999-0234: GNU Bash command separator injection via character 255](https://junglewise.ai/threats/cve-1999-0234-gnu-bash-command-separator-injection-via-character-255) (medium, CVSS 4.6, published 8 Oct 1996)
- [CVE-1999-1383: GNU bash and tcsh command injection via directory names](https://junglewise.ai/threats/cve-1999-1383-gnu-bash-and-tcsh-command-injection-via-directory-names) (medium, CVSS 4.6, published 13 Sep 1996)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other Gnu technologies

- [Gnu Binutils](https://junglewise.ai/threats/technologies/binutils): 42 vulnerabilities
- [GnuTLS](https://junglewise.ai/threats/technologies/gnutls): 21 vulnerabilities
- [Gnu Glibc](https://junglewise.ai/threats/technologies/glibc): 20 vulnerabilities
- [Gnu LibreDWG](https://junglewise.ai/threats/technologies/libredwg): 14 vulnerabilities
- [Gnu Emacs](https://junglewise.ai/threats/technologies/emacs): 10 vulnerabilities
- [GNU tar](https://junglewise.ai/threats/technologies/tar): 10 vulnerabilities
- [Gnu C Library](https://junglewise.ai/threats/technologies/c-library): 9 vulnerabilities
- [Gnu Wget](https://junglewise.ai/threats/technologies/wget): 7 vulnerabilities
- [Gnu Cpio](https://junglewise.ai/threats/technologies/cpio): 5 vulnerabilities
- [Gnu Grub2](https://junglewise.ai/threats/technologies/grub2): 5 vulnerabilities
- [Gnu Aspell](https://junglewise.ai/threats/technologies/aspell): 4 vulnerabilities
- [GNU Coreutils](https://junglewise.ai/threats/technologies/coreutils): 4 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Gnu Bash vulnerabilities", https://junglewise.ai/threats/technologies/bash, 13 November 2026.