HIGH 7.2 NVD
CVE-2026-125402
Ettercap through 0.8.4.1 contains a heap out-of-bounds read vulnerability in sslw_get_clienthello_sni() in src/ec_sslwrap.c that trusts the unchecked 16-bit SNI
Ettercap through 0.8.4.1 contains a heap out-of-bounds read vulnerability in sslw_get_clienthello_sni() in src/ec_sslwrap.c that trusts the unchecked 16-bit SNI length field. Network-adjacent attackers can send crafted TLS ClientHello messages during SSL interception to leak up to 64 KB of heap memory upstream or crash Ettercap.
References
- https://github.com/Ettercap/ettercap/blob/v0.8.4.1/src/ec_sslwrap.c#L589-L604
- https://github.com/Ettercap/ettercap/commit/1d8badb713579419a29a494bb463a1af59707e98
- https://github.com/Ettercap/ettercap/pull/1330
- https://github.com/Ettercap/ettercap/security/advisories/GHSA-v48w-7cvh-c7f4
- https://www.vulncheck.com/advisories/ettercap-through-0.8.4.1-heap-out-of-bounds-read-via-
This high severity vulnerability with a CVSS score of 7.2 was published on 2026-11-10 via NVD.
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