Buffer Overflow Affecting inetutils-telnet package, versions <2.8-r0
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-ALPINE324-INETUTILSTELNET-21043739
- published16 Oct 2026
- disclosed13 Mar 2026
Introduced: 13 Mar 2026
CVE-2026-32746 (opens in a new tab)How to fix?
Upgrade Alpine:3.24 inetutils-telnet to version 2.8-r0 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream inetutils-telnet package and not the inetutils-telnet package as distributed by Alpine.
See How to fix? for Alpine:3.24 relevant fixed versions and status.
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.
References
- https://github.com/jeffaf/cve-2026-32746
- 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
- https://www.exploit-db.com/exploits/52556