HIGH 8.7 NVD
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. Networ
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.
References
- https://github.com/Ettercap/ettercap/blob/v0.8.4.1/src/ec_filter.c#L593-L625
- https://github.com/Ettercap/ettercap/commit/1d8badb713579419a29a494bb463a1af59707e98
- https://github.com/Ettercap/ettercap/pull/1330
- https://github.com/Ettercap/ettercap/security/advisories/GHSA-f3j5-rhhr-85j5
- https://www.vulncheck.com/advisories/ettercap-through-0.8.4.1-use-after-free-via-pcre2-fil
This high severity vulnerability with a CVSS score of 8.7 was published on 2026-11-10 via NVD.
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