# Gnu vulnerabilities

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

Junglewise Threat Intelligence has tracked 175 vulnerabilities in Gnu: 3 in the last 7 days and 51 in the last 90 days, 7 of them critical and 5 exploited in the wild. The most recent, CVE-2026-126831, was published on 12 November 2026. 10 vulnerabilities in the last four weeks, down 69% on the four before (32). 18 technologies have a page of their own.

## Counts

- Last 7 days: 3
- Last 30 days: 12
- Last 90 days: 51
- All time: 175 (7 critical, 5 exploited in the wild)

## About Gnu

The GNU Project is a collaborative effort to provide a free software operating system and a wide range of software tools.

## Latest Gnu vulnerabilities

- [CVE-2026-126831: cpio stack-based buffer overflow in tar header](https://junglewise.ai/threats/cve-2026-126831-a-flaw-was-found-in-cpio-a-local-user-can-cause-a-denial-of) (medium, CVSS 5.5, published 12 Nov 2026)
- [CVE-2026-115819: GNU C Library wide scanf one-byte buffer overflow](https://junglewise.ai/threats/cve-2026-115819-calling-the-wide-scanf-family-of-functions-swscanf-fwscanf) (medium, CVSS 4.8, published 11 Nov 2026)
- [CVE-2026-125709: GNU libstdc++ buffer overflow in file stream processing](https://junglewise.ai/threats/cve-2026-125709-a-flaw-was-found-in-libstdc-when-a-byte-by-byte-write-operation) (medium, CVSS 4.2, published 10 Nov 2026)
- [CVE-2026-123151: GNU debugger stack buffer overflow in remote target parsing](https://junglewise.ai/threats/cve-2026-123151-a-flaw-was-found-in-the-gnu-debugger-gdb-when-gdb-connects-to-a) (info, published 5 Nov 2026)
- [CVE-2026-121994: GDB stack buffer overflow in remote protocol handler](https://junglewise.ai/threats/cve-2026-121994-a-stack-buffer-overflow-in-the-gdb-client-s-remote-protocol) (high, CVSS 8.8, published 5 Nov 2026)
- [CVE-2026-122054: GNU C Library BIG-HKSCS character encoding hang on crafted input](https://junglewise.ai/threats/cve-2026-122054-converting-crafted-big-hkscs-input-to-ucs-4-or-the-internal-wide) (medium, CVSS 5.9, published 4 Nov 2026)
- [CVE-2026-84243: GNU C Library gettext directory traversal in LANGUAGE variable](https://junglewise.ai/threats/cve-2026-84243-the-gettext-family-of-functions-in-the-gnu-c-library-version-2-0) (high, CVSS 7, published 30 Oct 2026)
- [CVE-2026-114690: GCC libstdc++ out-of-bounds memory access in parallel search](https://junglewise.ai/threats/cve-2026-114690-a-flaw-was-found-in-gcc-an-out-of-bounds-memory-access) (medium, CVSS 6.2, published 30 Oct 2026)
- [CVE-2026-118384: GNU mtools out-of-bounds write in vfat parsing](https://junglewise.ai/threats/cve-2026-118384-gnu-mtools-through-4-0-49-has-an-out-of-bounds-write-in-parse) (medium, CVSS 6.1, published 28 Oct 2026)
- [CVE-2026-115207: GNU patch arbitrary file creation via path traversal](https://junglewise.ai/threats/cve-2026-115207-a-flaw-was-found-in-gnu-patch-an-attacker-can-achieve-arbitrary) (medium, CVSS 5.5, published 22 Oct 2026)
- [CVE-2026-89088: GNU parted heap buffer overflow in FAT16 resize](https://junglewise.ai/threats/cve-2026-89088-a-flaw-was-found-in-parted-a-heap-based-buffer-overflow-exists-in) (medium, CVSS 5.5, published 16 Oct 2026)
- [CVE-2026-111167: GNU LibreDWG out-of-bounds read in AcDs decoder](https://junglewise.ai/threats/cve-2026-111167-gnu-libredwg-through-0-14-8612-contains-a-global-out-of-bounds) (medium, CVSS 6.1, published 15 Oct 2026)
- [CVE-2026-103658: GNU Aspell heap buffer overflow in dictionary loader](https://junglewise.ai/threats/cve-2026-103658-gnu-aspell-0-60-8-2-first-vulnerable-version-is-not-known) (medium, CVSS 5.9, published 12 Oct 2026)
- [CVE-2026-108976: GNU Emacs command injection via TRAMP user field in filename](https://junglewise.ai/threats/cve-2026-108976-gnu-emacs-before-31-2-and-tramp-through-2-8-2-allows-os-command) (high, CVSS 7.8, published 11 Oct 2026)
- [CVE-2026-88647: GnuTLS hostname verification bypass via Common Name fallback](https://junglewise.ai/threats/cve-2026-88647-a-hostname-verification-bypass-in-gnutls-v3-8-13-allows-attackers) (medium, CVSS 6.5, published 8 Oct 2026)
- [CVE-2026-75820: GNU Aspell integer truncation in WritableDict::add()](https://junglewise.ai/threats/cve-2026-75820-gnu-aspell-contains-an-integer-truncation-vulnerability-in-the) (info, published 6 Oct 2026)
- [CVE-2026-75819: GNU Aspell out-of-bounds read in dictionary loading](https://junglewise.ai/threats/cve-2026-75819-gnu-aspell-contains-an-out-of-bounds-read-vulnerability-in) (info, published 6 Oct 2026)
- [CVE-2026-75818: GNU Aspell prezip-bin heap buffer overflow in decompressor](https://junglewise.ai/threats/cve-2026-75818-gnu-aspell-prezip-bin-contains-a-heap-based-buffer-overflow) (info, published 6 Oct 2026)
- [CVE-2026-97876: GRUB serial command MMIO lockdown bypass](https://junglewise.ai/threats/cve-2026-97876-a-local-attacker-with-control-over-grub-s-configuration-can) (medium, CVSS 6.4, published 2 Oct 2026)
- [CVE-2026-102010: GCC libstdc++ use-after-free in priority queue erase_if](https://junglewise.ai/threats/cve-2026-102010-a-flaw-was-found-in-gcc-when-an-application-calls-the-erase-if) (high, CVSS 7, published 28 Sep 2026)
- [CVE-2026-100310: GNU libextractor privilege escalation via plugin search path](https://junglewise.ai/threats/cve-2026-100310-gnu-libextractor-before-1-16-loads-plugins-from-an-untrusted) (high, CVSS 7, published 25 Sep 2026)
- [CVE-2026-96442: Emacs Flymake code execution via untrusted files](https://junglewise.ai/threats/cve-2026-96442-a-code-execution-flaw-was-found-in-emacs-affecting-versions-prior) (high, CVSS 7.8, published 23 Sep 2026)
- [CVE-2026-96269: GNU Emacs arbitrary code execution in symbol handling](https://junglewise.ai/threats/cve-2026-96269-gnu-emacs-28-1-through-31-1-allows-arbitrary-code-execution-upon) (info, published 22 Sep 2026)
- [CVE-2026-94574: GNU wget local code execution via hardcoded config path](https://junglewise.ai/threats/cve-2026-94574-a-local-cross-user-code-execution-vulnerability-exists-in-gnu) (high, CVSS 7.8, published 22 Sep 2026)
- [CVE-2026-86805: GNU C Library dynamic loader privilege escalation via TOCTOU race](https://junglewise.ai/threats/cve-2026-86805-a-time-of-check-to-time-of-use-toctou-race-condition-in-the) (medium, CVSS 6.3, published 22 Sep 2026)

## Most severe Gnu 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-2026-24061: telnetd in GNU Inetutils through 2.7 allows remote authentication bypass via a "-f root" value for the USER environment…](https://junglewise.ai/threats/cve-2026-24061-gnu-inetutils-argument-injection-in-telnetd) (critical, exploited in the wild, CVSS 9.8, published 21 Jan 2026)
- [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-2023-4911: GNU C Library Buffer Overflow Vulnerability](https://junglewise.ai/threats/cve-2023-4911-gnu-c-library-buffer-overflow-vulnerability) (critical, exploited in the wild, CVSS 7.8, published 3 Oct 2023)
- [CVE-2026-5450: GNU glibc heap buffer overflow in scanf %mc specifier](https://junglewise.ai/threats/cve-2026-5450-gnu-glibc-heap-buffer-overflow-in-scanf-mc-specifier) (critical, CVSS 9.8, published 20 Apr 2026)
- [CVE-2015-8972: GNU Chess stack buffer overflow in ValidateMove function](https://junglewise.ai/threats/cve-2015-8972-gnu-chess-stack-buffer-overflow-in-validatemove-function) (critical, CVSS 9.8, published 23 Jan 2017)
- [CVE-2026-121994: GDB stack buffer overflow in remote protocol handler](https://junglewise.ai/threats/cve-2026-121994-a-stack-buffer-overflow-in-the-gdb-client-s-remote-protocol) (high, CVSS 8.8, published 5 Nov 2026)
- [CVE-2023-6246: GNU glibc heap buffer overflow in __vsyslog_internal](https://junglewise.ai/threats/cve-2023-6246-gnu-glibc-heap-buffer-overflow-in-vsyslog-internal) (high, CVSS 8.4, published 31 Jan 2024)
- [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)

## Vulnerabilities per week

10 vulnerabilities in the last four weeks, down 69% on the four before (32).

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 1 | 0 | 0 |
| 24 Aug 2026 | 3 | 0 | 0 |
| 31 Aug 2026 | 1 | 0 | 0 |
| 7 Sep 2026 | 1 | 0 | 0 |
| 14 Sep 2026 | 19 | 0 | 0 |
| 21 Sep 2026 | 6 | 0 | 0 |
| 28 Sep 2026 | 2 | 0 | 0 |
| 5 Oct 2026 | 5 | 0 | 0 |
| 12 Oct 2026 | 3 | 0 | 0 |
| 19 Oct 2026 | 1 | 0 | 0 |
| 26 Oct 2026 | 3 | 0 | 0 |
| 2 Nov 2026 | 3 | 0 | 0 |
| 9 Nov 2026 | 3 | 0 | 0 |

## 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 Bash](https://junglewise.ai/threats/technologies/bash): 7 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
- [Gnu Gawk](https://junglewise.ai/threats/technologies/gawk): 4 vulnerabilities
- [Gnu C Library (glibc)](https://junglewise.ai/threats/technologies/c-library-glibc): 3 vulnerabilities
- [Gnu Fingerd](https://junglewise.ai/threats/technologies/fingerd): 3 vulnerabilities
- [Gnu GDB](https://junglewise.ai/threats/technologies/gdb): 3 vulnerabilities
- [Gnu Patch](https://junglewise.ai/threats/technologies/patch): 3 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 vulnerabilities", https://junglewise.ai/threats/vendors/gnu, 13 November 2026.