GNU vulnerabilities in CISA KEV
GNU has 5 vulnerabilities in CISA's catalogue of flaws known to be exploited, the 47th highest of any vendor. 1 was added in the last 12 months; none are linked to known ransomware use (0% of its entries, against 20.4% across the catalogue). CISA's median fix window for these entries is 21 days (range 21 to 181), against 21 days (range 1 to 184) across the whole catalogue. The most exploited product is Bourne-Again Shell (Bash), with 2 entries. Other frequently affected products: GNU Bash (1); GNU C Library (1).
Catalog v2026.11.04, released 5 Nov 2026. Source CISA ↗. All KEV entries.
$ ./kev --vendor gnu --summary
Counts are computed from the catalog release on ; the 12 month window ends there.
┌─ total entries
5
in CISA KEV
┌─ first added
2022-01-28
earliest entry
┌─ latest added
2026-01-26
most recent entry
┌─ last 12 months
1
entries added
┌─ ransomware use
0 of 5
0% linked to ransomware
┌─ distinct products
4
affected products
$ awk -F, {print $1} /var/log/kev/gnu.log | uniq -c
Entries by the year CISA added them.
| Year | Entries added | Of which ransomware |
|---|---|---|
| 2022 | 2 | 0 |
| 2023 | 1 | 0 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
$ sort /var/log/kev/gnu.log | uniq -c | sort -rn | head -5
The five products with the most entries in the catalogue.
- Bourne-Again Shell (Bash) 2 entries
- GNU Bash 1 entry
- GNU C Library 1 entry
- InetUtils 1 entry
$ kev-due-dates --vendor gnu
Days between the date CISA added an entry and the due date it set, median and range. Due dates apply to US federal agencies; for everyone else they are a patch-first ranking signal.
┌─ GNU
21 days (range 21 to 181)
median and range in days
┌─ whole catalogue
21 days (range 1 to 184)
median and range in days
$ grep -o 'CWE-[0-9]*' /var/log/kev/gnu.log | sort | uniq -c | sort -rn | head -3
Weakness types CISA records for these entries (5 of 5 have at least one CWE).
$ grep -ril 'GNU' /var/log/news | head -5
Our reporting that names GNU or one of its KEV CVE ids, newest first.
┌─ /var/log/news
Patch Week pages with these entries
No Patch Week page covers this vendor yet.
$ wc -l ./gnu.kev · 5 rows
Descriptions: CISA Known Exploited Vulnerabilities catalogue
- CVE-2026-24061
InetUtils
GNU InetUtils Argument Injection Vulnerability
due 2026-02-16 · CWE-88
$ cat CVE-2026-24061.txt
Description. GNU InetUtils contains an argument injection vulnerability in telnetd that could allow for remote authentication bypass via a "-f root" value for the USER environment variable.
Required action. Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- CVE-2014-6278
GNU Bash
GNU Bash OS Command Injection Vulnerability
due 2025-10-23 · CWE-78
$ cat CVE-2014-6278.txt
Description. GNU Bash contains an OS command injection vulnerability which allows remote attackers to execute arbitrary commands via a crafted environment.
Required action. Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- CVE-2023-4911
GNU C Library
GNU C Library Buffer Overflow Vulnerability
due 2023-12-12 · CWE-122
$ cat CVE-2023-4911.txt
Description. GNU C Library's dynamic loader ld.so contains a buffer overflow vulnerability when processing the GLIBC_TUNABLES environment variable, allowing a local attacker to execute code with elevated privileges.
Required action. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- CVE-2014-6271
Bourne-Again Shell (Bash)
GNU Bourne-Again Shell (Bash) Arbitrary Code Execution Vulnerability
due 2022-07-28 · CWE-78
$ cat CVE-2014-6271.txt
Description. GNU Bash through 4.3 processes trailing strings after function definitions in the values of environment variables, which allows remote attackers to execute code.
Required action. Apply updates per vendor instructions.
- CVE-2014-7169
Bourne-Again Shell (Bash)
GNU Bourne-Again Shell (Bash) Arbitrary Code Execution Vulnerability
due 2022-07-28 · CWE-78
$ cat CVE-2014-7169.txt
Description. GNU Bash through 4.3 processes trailing strings after function definitions in the values of environment variables, which allows remote attackers to execute code. This CVE correctly remediates the vulnerability in CVE-2014-6271.
Required action. Apply updates per vendor instructions.