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libssh: libssh: use-after-free via data callbacks on closed channels

🗓️ 21 Jul 2026 16:32:37Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 6 Views

Libssh use-after-free: data callbacks fire after channel close when data is freed, causing crashes.

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21 Jul 202614:15
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21 Jul 202614:15
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Fedora 43 : libssh (2026-063caa9112)
23 Jul 202600:00
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Fedora 44 : libssh (2026-0e46c91ccf)
23 Jul 202600:00
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Slackware Linux 15.0 / current libssh Multiple Vulnerabilities (SSA:2026-202-01)
22 Jul 202600:00
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NVD
CVE-2026-59850
21 Jul 202615:16
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Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Hardened Imagesanyaarch64libssh0.12.1-4.hum1libssh-0.12.1-4.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64libssh0.12.1-4.hum1libssh-0.12.1-4.hum1.x86_64.rpm
Red Hat Hardened Imagesanynoarchlibssh-config0.12.1-4.hum1libssh-config-0.12.1-4.hum1.noarch.rpm

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24 Jul 2026 13:27Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.14.3
EPSS0.00285
SSVC
6