CVE-2026-123205
6.5 MEDIUMpublic exploit availablePublished 2026-11-05 · Updated 2026-11-05
AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.
NVD description
accel-ppp before 1.15.0 contains a heap buffer overflow vulnerability in the tcp, syslog and pgsql log targets that allows unauthenticated remote peers to overflow fixed heap buffers by producing log lines exceeding LOG_MAX_SIZE. Attackers within client-ip-range can send an L2TP Start-Control-Connection-Request with many string AVPs when verbose logging is enabled to corrupt heap memory and crash the daemon.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
Weaknesses
CWE-122
Public exploit & PoC references
- https://github.com/accel-ppp/accel-ppp/blob/048d31cb446879e0d1a1471b4ab99135a92bf289/accel-pppd/logs/log_tcp.c#L55-L67
- https://github.com/accel-ppp/accel-ppp/commit/58e399400c4ef4b71472ab7c2c71c54a677a05a8
- https://github.com/accel-ppp/accel-ppp/pull/374
- https://github.com/accel-ppp/accel-ppp/releases/tag/1.15.0
All references
- https://github.com/accel-ppp/accel-ppp/blob/048d31cb446879e0d1a1471b4ab99135a92bf289/accel-pppd/logs/log_tcp.c#L55-L67
- https://github.com/accel-ppp/accel-ppp/commit/58e399400c4ef4b71472ab7c2c71c54a677a05a8
- https://github.com/accel-ppp/accel-ppp/pull/374
- https://github.com/accel-ppp/accel-ppp/releases/tag/1.15.0
- https://www.vulncheck.com/advisories/accel-ppp-before-1.15.0-heap-based-buffer-overflow-via-oversized-log-lines-in-log-tcp-log-syslog-log-pgsql
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
Related CVEs
- CRITICALCVE-2016-15059PoC
- CRITICALCVE-2017-20241
- LOWCVE-2025-1218PoC
- MEDIUMCVE-2025-60480PoC
- MEDIUMCVE-2025-60490PoC
- HIGHCVE-2025-71436PoC
- HIGHCVE-2026-100201
- HIGHCVE-2026-100203
Related by shared AI tags and CWE weakness class. Browse the full archive.