Description
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.
Published: 2026-11-09
Score: 8.7 High
EPSS: < 1% Very Low
KEV: No
AI Analysis

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Remediation

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Tracking

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Advisories

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History

Tue, 10 Nov 2026 01:45:00 +0000

Type Values Removed Values Added
First Time appeared Ettercap
Ettercap ettercap
Vendors & Products Ettercap
Ettercap ettercap

Mon, 09 Nov 2026 23:45:00 +0000

Type Values Removed Values Added
Description 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.
Title Ettercap through 0.8.4.1 Use-After-Free via PCRE2 Filter Substitution
First Time appeared Ettercap-project
Ettercap-project ettercap
Weaknesses CWE-416
CPEs cpe:2.3:a:ettercap-project:ettercap:*:*:*:*:*:*:*:*
Vendors & Products Ettercap-project
Ettercap-project ettercap
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


Subscriptions

Ettercap Ettercap
Ettercap-project Ettercap
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-11-10T16:34:59.987Z

Reserved: 2026-11-09T22:03:15.134Z

Link: CVE-2026-125400

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-10T00:17:14.387

Modified: 2026-11-10T17:17:30.253

Link: CVE-2026-125400

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-10T01:30:17Z

Weaknesses