HIGHCVSS v3.1 8.8Vulnerability

CVE-2026-125400

Ettercap through 0.8.4.1 contains a use-after-free vulnerability in func_pcre() in src/ec_filter.c that reads the PCRE2 ovector after freeing match data. Network-adjacent attackers can send packets matching a loaded pcre_regex() substitution filter to corrupt memory and potentially execute code as root.

Properties

Severity
HIGH
Nvd fetched at
2026-11-10T23:33:48.924589+00:00
Epss score
0.00247
Cvss severity
HIGH
Cvss score
8.8
Retrieved at
2026-11-10T23:35:17+00:00
Last source
FIRST EPSS
Score
8.8
Cvss version
3.1
Cve id
CVE-2026-125400
Cvss vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
First seen by Signal
2026-11-10T03:20:44+00:00
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published at
2026-11-10T00:17:14.387
Last modified
2026-11-10T17:17:30.253
Epss percentile
0.16133

Related Entities (1)

HAS_WEAKNESS (1)

→[Weakness]Use After Free

Related research

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CVE-2026-125400 (CVSS v3.1 8.8) — Ninja Signal Threat Intelligence | Ninja Signal