OESA-2026-3746

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Source
https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2026-3746
Import Source
https://repo.openeuler.org/security/data/osv/OESA-2026-3746.json
JSON Data
https://api.osv.dev/v1/vulns/OESA-2026-3746
Upstream
Published
2026-09-14T16:33:57Z
Modified
2026-09-13T16:45:32Z
Severity
  • 4.8 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N CVSS Calculator
Summary
openssh security update
Details

An open source implementation of SSH protocol version 2

Security Fix(es):

In ssh in OpenSSH before 10.5, a use-after-free for realloc data can occur if a certain pair of remote-forwarding operations are concurrent.(CVE-2026-73282)

In sshd in OpenSSH before 10.5, the restrict keyword (in authorized_keys) was supposed to be applicable to tunnel forwarding but was not.(CVE-2026-73283)

Database specific 
{
    "severity": "Medium"
}
References

Affected packages

openEuler:24.03-LTS-SP1 / openssh

Package

Name
openssh
Purl
pkg:rpm/openEuler/openssh&distro=openEuler-24.03-LTS-SP1

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
9.6p1-23.oe2403sp1

Ecosystem specific 

{
    "aarch64": [
        "openssh-9.6p1-23.oe2403sp1.aarch64.rpm",
        "openssh-askpass-9.6p1-23.oe2403sp1.aarch64.rpm",
        "openssh-clients-9.6p1-23.oe2403sp1.aarch64.rpm",
        "openssh-debuginfo-9.6p1-23.oe2403sp1.aarch64.rpm",
        "openssh-debugsource-9.6p1-23.oe2403sp1.aarch64.rpm",
        "openssh-keycat-9.6p1-23.oe2403sp1.aarch64.rpm",
        "openssh-server-9.6p1-23.oe2403sp1.aarch64.rpm",
        "pam_ssh_agent_auth-0.10.4-5.23.oe2403sp1.aarch64.rpm"
    ],
    "noarch": [
        "openssh-help-9.6p1-23.oe2403sp1.noarch.rpm"
    ],
    "src": [
        "openssh-9.6p1-23.oe2403sp1.src.rpm"
    ],
    "x86_64": [
        "openssh-9.6p1-23.oe2403sp1.x86_64.rpm",
        "openssh-askpass-9.6p1-23.oe2403sp1.x86_64.rpm",
        "openssh-clients-9.6p1-23.oe2403sp1.x86_64.rpm",
        "openssh-debuginfo-9.6p1-23.oe2403sp1.x86_64.rpm",
        "openssh-debugsource-9.6p1-23.oe2403sp1.x86_64.rpm",
        "openssh-keycat-9.6p1-23.oe2403sp1.x86_64.rpm",
        "openssh-server-9.6p1-23.oe2403sp1.x86_64.rpm",
        "pam_ssh_agent_auth-0.10.4-5.23.oe2403sp1.x86_64.rpm"
    ]
}

Database specific

source 
"https://repo.openeuler.org/security/data/osv/OESA-2026-3746.json"