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openssl: OpenSSL: Private key recovery via SM2 timing side-channel

🗓️ 30 Sep 2026 23:37:33Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 5 Views

Timing side-channel in OpenSSL SM2 signature generation may allow private key recovery.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
freebsd
FreeBSD
OpenSSL -- Multiple vulnerabilities
29 Sep 202600:00
–freebsd
alpinelinux
AlpineLinux
CVE-2026-77696
29 Sep 202615:32
–alpinelinux
circl
Circl
CVE-2026-77696
30 Sep 202612:50
–circl
cve
CVE
CVE-2026-77696
29 Sep 202615:32
–cve
cvelist
Cvelist
CVE-2026-77696 Timing Side-Channel in SM2 Signature Generation
29 Sep 202615:32
–cvelist
debian
Debian
[SECURITY] [DSA 6531-1] openssl security update
30 Sep 202606:09
–debian
debiancve
Debian CVE
CVE-2026-77696
29 Sep 202615:32
–debiancve
nessus
Tenable Nessus
Debian dsa-6531 : libcrypto3-udeb - security update
30 Sep 202600:00
–nessus
nessus
Tenable Nessus
Ubuntu 22.04 LTS / 24.04 LTS / 26.04 LTS : OpenSSL vulnerabilities (USN-8847-1)
30 Sep 202600:00
–nessus
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-77696
29 Sep 202600:00
–nessus
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Hardened Imagesanyaarch64openssl3-devel3.5.9-0.1.hum1openssl3-devel-3.5.9-0.1.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64openssl3-devel3.5.9-0.1.hum1openssl3-devel-3.5.9-0.1.hum1.x86_64.rpm
Red Hat Hardened Imagesanyaarch64openssl3-devel-engine3.5.9-0.1.hum1openssl3-devel-engine-3.5.9-0.1.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64openssl3-devel-engine3.5.9-0.1.hum1openssl3-devel-engine-3.5.9-0.1.hum1.x86_64.rpm
Red Hat Hardened Imagesanyaarch64openssl3-libs3.5.9-0.1.hum1openssl3-libs-3.5.9-0.1.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64openssl3-libs3.5.9-0.1.hum1openssl3-libs-3.5.9-0.1.hum1.x86_64.rpm

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01 Oct 2026 12:04Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.13.7
EPSS0.00243
SSVC
5