VulnerabilityAnalyzed
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.
CRITICAL 9.8EPSS 23.7%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 23.7%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 23.67% probability · 98th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- gnu/inetutils
- Source
- cve@mitre.org
References
- https://lists.gnu.org/archive/html/bug-inetutils/2026-03/msg00031.htmlExploit, Vendor Advisory
- https://www.openwall.com/lists/oss-security/2026/03/12/4Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2026/03/14/1Mailing List, Third Party Advisory
- https://github.com/watchtowrlabs/watchtowr-vs-telnetd-CVE-2026-32746Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.