libssh2: libssh2: Arbitrary code execution via heap buffer overflow during SSH negotiation
| Reporter | Title | Published | Views | Family All 45 |
|---|---|---|---|---|
 | CVE-2026-66035 | 24 Jul 202616:45 | – | attackerkb |
 | Amazon Linux 2023 : cargo-c (ALAS2023-2026-2064) | 18 Aug 202600:00 | – | nessus |
| openSUSE 16 Security Update : libssh2_org (openSUSE-SU-2026:21549-1) | 13 Aug 202600:00 | – | nessus |
| SUSE SLES12 Security Update : libssh2_org (SUSE-SU-2026:3525-1) | 9 Aug 202600:00 | – | nessus |
| SUSE SLES15 Security Update : libssh2_org (SUSE-SU-2026:3526-1) | 9 Aug 202600:00 | – | nessus |
| SUSE SLED15 / SLES15 Security Update : libssh2_org (SUSE-SU-2026:3541-1) | 12 Aug 202600:00 | – | nessus |
| TencentOS Server 4: libssh2 (TSSA-2026:0785) | 6 Aug 202600:00 | – | nessus |
| Linux Distros Unpatched Vulnerability : CVE-2026-66035 | 25 Jul 202600:00 | – | nessus |
 | Important: rust-cargo-c | 17 Aug 202600:00 | – | amazon |
 | CVE-2026-66035 | 24 Jul 202616:45 | – | alpinelinux |
10
| OS | OS Version | Architecture | Package | Package Version | Filename |
|---|---|---|---|---|---|
| Red Hat Hardened Images | any | aarch64 | libssh2 | 1.11.1-10.3.hum1 | libssh2-1.11.1-10.3.hum1.aarch64.rpm |
| Red Hat Hardened Images | any | x86_64 | libssh2 | 1.11.1-10.3.hum1 | libssh2-1.11.1-10.3.hum1.x86_64.rpm |
| Red Hat Hardened Images | any | noarch | libssh2-docs | 1.11.1-10.3.hum1 | libssh2-docs-1.11.1-10.3.hum1.noarch.rpm |
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18 Aug 2026 16:37Current
6.5Medium risk
Vulners AI Score6.5
CVSS 3.17.5
CVSS 47.7
EPSS0.00318
SSVC