CLSA-2026-1786012208

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Import Source
https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.4els/CLSA-2026-1786012208.json
JSON Data
https://api.osv.dev/v1/vulns/CLSA-2026-1786012208
Upstream
CVE (2)
Published
2026-08-06T10:30:38Z
Modified
2026-10-26T09:31:50Z
Summary
libssh: Fix of 2 CVEs
Details
  • CVE-2026-59847: integrity downgrade of AES-GCM ciphers in the OpenSSL backend, where a wrong EVP_DecryptFinal() return-code check let a forged authentication tag pass and silently reduced AES-GCM to AES-CTR
  • CVE-2026-59850: use-after-free via channel data callbacks invoked on remotely-closed channels, where already-freed channel data could still be handed to application callbacks
References

Affected packages

TuxCare:CentOS:8.4 / libssh

Package

Name
libssh
Purl
pkg:rpm/tuxcare/libssh?distro=centos-8.4

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.9.4-3.el8.tuxcare.els10

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.4els/CLSA-2026-1786012208.json"

TuxCare:CentOS:8.4 / libssh-config

Package

Name
libssh-config
Purl
pkg:rpm/tuxcare/libssh-config?distro=centos-8.4

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.9.4-3.el8.tuxcare.els10

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.4els/CLSA-2026-1786012208.json"

TuxCare:CentOS:8.4 / libssh-devel

Package

Name
libssh-devel
Purl
pkg:rpm/tuxcare/libssh-devel?distro=centos-8.4

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.9.4-3.el8.tuxcare.els10

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.4els/CLSA-2026-1786012208.json"