HIGHCVSS v3.1 8.1Vulnerability
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 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.
Properties
- Severity
- HIGH
- Nvd fetched at
- 2026-11-10T23:33:48.924589+00:00
- Epss score
- 0.00251
- Cvss severity
- HIGH
- Cvss score
- 8.1
- Retrieved at
- 2026-11-10T23:35:17+00:00
- Last source
- FIRST EPSS
- Score
- 8.1
- Cvss version
- 3.1
- Cve id
- CVE-2026-125402
- Cvss vector
- CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/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:N/A:H
- Published at
- 2026-11-10T00:17:14.703
- Last modified
- 2026-11-10T00:17:14.703
- Epss percentile
- 0.16572
Related Entities (1)
HAS_WEAKNESS (1)
Related research
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