HIGHCVSS v3.1 8.1Vulnerability
CVE-2026-129126
C-Kermit before 11.1.515 contains a heap buffer overflow vulnerability in putsrv() in ckcfns.c that allows malicious peers to write past the srvcmd buffer by sending crafted packets. Attackers can use Kermit repeat-count compression in server command, GET, or file-header packets to write attacker-chosen bytes beyond the heap buffer on servers or receiving instances.
Properties
- Severity
- HIGH
- Nvd fetched at
- 2026-11-14T00:40:25.638091+00:00
- Cvss severity
- HIGH
- Cvss score
- 8.1
- Retrieved at
- 2026-11-14T00:50:05+00:00
- Score
- 8.1
- Cvss version
- 3.1
- Last source
- NVD
- Cve id
- CVE-2026-129126
- Cvss vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- First seen by Signal
- 2026-11-13T17:31:47+00:00
- Vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Published at
- 2026-11-13T17:17:29.977
- Last modified
- 2026-11-13T22:14:15.437
Related Entities (1)
HAS_WEAKNESS (1)
Related research
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