MEDIUMCVSS v3.1 5.5Vulnerability
CVE-2026-121944
sngrep through 1.9.0 contains an infinite loop vulnerability in capture_packet_reasm_ip() in src/capture.c that allows attackers to cause denial of service via crafted NFLOG TLVs. Attackers can supply a pcap file with link type NFLOG containing a non-payload TLV with length under 4, making the capture thread spin at full CPU and stop processing packets.
Properties
- Severity
- MEDIUM
- Nvd fetched at
- 2026-11-04T13:33:26.764955+00:00
- Cvss severity
- MEDIUM
- Cvss score
- 5.5
- Retrieved at
- 2026-11-04T13:34:19+00:00
- Score
- 5.5
- Cvss version
- 3.1
- Last source
- NVD
- Cve id
- CVE-2026-121944
- Cvss vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- First seen by Signal
- 2026-11-04T13:34:19+00:00
- Vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- Published at
- 2026-11-04T13:17:29.123
- Last modified
- 2026-11-04T13:17:29.253
Related Entities (1)
HAS_WEAKNESS (1)
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