CVE-2026-32746
CVE-2026-32746 is a critical-severity vulnerability in Gnu Inetutils with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 24% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-120.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 24% (98th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-12065
- Weakness: CWE-120
- Affected product: Gnu Inetutils
- Published:
- Last modified:
Description
telnetd in GNU inetutils through 2.7 allows an out-of-bounds write in the LINEMODE SLC (Set Local Characters) suboption handler because add_slc does not check whether the buffer is full.
Frequently asked questions
- What is CVE-2026-32746?
- telnetd in GNU inetutils through 2.7 allows an out-of-bounds write in the LINEMODE SLC (Set Local Characters) suboption handler because add_slc does not check whether the buffer is full.
- How severe is CVE-2026-32746?
- CVE-2026-32746 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-32746 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 24% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-32746?
- CVE-2026-32746 affects Gnu Inetutils. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-32746?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2026-32746 have an EU (EUVD) identifier?
- Yes. CVE-2026-32746 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-12065.
- When was CVE-2026-32746 published?
- CVE-2026-32746 was published on 2026-03-13 and last updated on 2026-06-17.
References
- https://lists.gnu.org/archive/html/bug-inetutils/2026-03/msg00031.html
- https://www.openwall.com/lists/oss-security/2026/03/12/4
- http://www.openwall.com/lists/oss-security/2026/03/14/1
- https://github.com/watchtowrlabs/watchtowr-vs-telnetd-CVE-2026-32746
Affected products (1)
- cpe:2.3:a:gnu:inetutils:*:*:*:*:*:*:*:*
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