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.
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Affected Vendors & Products
Advisories
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Fixes
Solution
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Workaround
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References
History
Mon, 09 Nov 2026 23:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | |
| Title | Ettercap through 0.8.4.1 Heap Out-of-Bounds Read via TLS SNI Parsing | |
| First Time appeared |
Ettercap-project
Ettercap-project ettercap |
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| Weaknesses | CWE-125 | |
| CPEs | cpe:2.3:a:ettercap-project:ettercap:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Ettercap-project
Ettercap-project ettercap |
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| References |
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| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-11-09T23:28:04.231Z
Reserved: 2026-11-09T22:03:15.846Z
Link: CVE-2026-125402
No data.
Status : Received
Published: 2026-11-10T00:17:14.703
Modified: 2026-11-10T00:17:14.703
Link: CVE-2026-125402
No data.
OpenCVE Enrichment
No data.
Weaknesses