libssh2: libssh2: Denial of Service via integer underflow in AES-GCM cipher negotiation
| Reporter | Title | Published | Views | Family All 18 |
|---|---|---|---|---|
 | CVE-2026-66033 | 24 Jul 202616:35 | – | attackerkb |
 | CVE-2026-66033 | 24 Jul 202618:00 | – | circl |
 | CVE-2026-66033 | 24 Jul 202616:35 | – | cve |
 | CVE-2026-66033 libssh2 Integer Underflow DoS via AES-GCM Cipher Negotiation | 24 Jul 202616:35 | – | cvelist |
 | CVE-2026-66033 | 24 Jul 202616:35 | – | debiancve |
 | EUVD-2026-48720 | 24 Jul 202616:35 | – | euvd |
 | CVE-2026-66033 | 24 Jul 202617:17 | – | nvd |
 | CVE-2026-66033 libssh2 Integer Underflow DoS via AES-GCM Cipher Negotiation | 24 Jul 202616:35 | – | osv |
| DEBIAN-CVE-2026-66033 | 24 Jul 202617:17 | – | osv |
| ECHO-BD2E-2758-1B23 | 25 Jul 202605:36 | – | osv |
10
| OS | OS Version | Architecture | Package | Package Version | Filename |
|---|---|---|---|---|---|
| Red Hat Hardened Images | any | aarch64 | libssh2 | 1.11.1-10.2.hum1 | libssh2-1.11.1-10.2.hum1.aarch64.rpm |
| Red Hat Hardened Images | any | x86_64 | libssh2 | 1.11.1-10.2.hum1 | libssh2-1.11.1-10.2.hum1.x86_64.rpm |
| Red Hat Hardened Images | any | noarch | libssh2-docs | 1.11.1-10.2.hum1 | libssh2-docs-1.11.1-10.2.hum1.noarch.rpm |
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27 Jul 2026 20:43Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.5
CVSS 48.7
EPSS0.00386
SSVC