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Fencer Vulns
high 7.8

CVE-2023-31982 json

Sngrep v1.6.0 was discovered to contain a heap buffer overflow via the function capture_packet_reasm_ip at /src/capture.c.

published 2023-05-09 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-36271

cvss
7.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 23%
public exploits
0
none known

Summary

Sngrep v1.6.0 was discovered to contain a heap buffer overflow via the function capture_packet_reasm_ip at /src/capture.c.

Patch / fix

  • sngrep Debian 14, Debian 13 1.7.0-1

debian advisories DEBIAN-CVE-2023-31982

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
21 mo ago

Exploit prediction

0.31% chance of exploitation in the next 30 days, higher than 23% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/irontec/sngrep/issues/431 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.