ELSA-2026-47755

ELSA-2026-47755 - openssh security update

Type:SECURITY
Impact:MODERATE
Release Date:2026-07-31

Description


[8.0p1-30.0.1]
- Update upstream references [Orabug: 36587718]

[8.0p1-30]
- CVE-2026-55653: Fix double free in openssh DH-GEX client path during
FIPS known-group validation that leads to client-side denial of service
Resolves: RHEL-185775
- CVE-2026-55655: Fix MITM of X11 forwarding via abstract UNIX socket
pre-binding
Resolves: RHEL-185855


Related CVEs


CVE-2026-55653
CVE-2026-55655

Updated Packages


Release/ArchitectureFilenamesha256Superseded By AdvisoryChannel Label
Oracle Linux 8 (aarch64) openssh-8.0p1-30.0.1.el8_10.src.rpmb94efd01b30f86d2933a015df9878fbd6e8add35b755b94c5568f0c72ec7f81b-ol8_aarch64_appstream
openssh-8.0p1-30.0.1.el8_10.src.rpmb94efd01b30f86d2933a015df9878fbd6e8add35b755b94c5568f0c72ec7f81b-ol8_aarch64_baseos_latest
openssh-8.0p1-30.0.1.el8_10.src.rpmb94efd01b30f86d2933a015df9878fbd6e8add35b755b94c5568f0c72ec7f81b-ol8_aarch64_u10_baseos_patch
openssh-8.0p1-30.0.1.el8_10.aarch64.rpm3196f477c3f7961e223c39ecdb4af48f0fbfc3667d6ed0fe8b45a15238ba253b-ol8_aarch64_baseos_latest
openssh-8.0p1-30.0.1.el8_10.aarch64.rpm3196f477c3f7961e223c39ecdb4af48f0fbfc3667d6ed0fe8b45a15238ba253b-ol8_aarch64_u10_baseos_patch
openssh-askpass-8.0p1-30.0.1.el8_10.aarch64.rpm817b61d6fa9f2d06e4eef55a91a1c15d29d7f5a4b980615d80751f3ef4546615-ol8_aarch64_appstream
openssh-cavs-8.0p1-30.0.1.el8_10.aarch64.rpmb98001c9d9904586944c2a92a2ffca437dacc6b7832607ebb7095a6e3206e900-ol8_aarch64_baseos_latest
openssh-cavs-8.0p1-30.0.1.el8_10.aarch64.rpmb98001c9d9904586944c2a92a2ffca437dacc6b7832607ebb7095a6e3206e900-ol8_aarch64_u10_baseos_patch
openssh-clients-8.0p1-30.0.1.el8_10.aarch64.rpm07a40b827a6a6163b0b0047b5b0d9834e7c177d3adc5463ede9d84a4c4a01b96-ol8_aarch64_baseos_latest
openssh-clients-8.0p1-30.0.1.el8_10.aarch64.rpm07a40b827a6a6163b0b0047b5b0d9834e7c177d3adc5463ede9d84a4c4a01b96-ol8_aarch64_u10_baseos_patch
openssh-keycat-8.0p1-30.0.1.el8_10.aarch64.rpm8eef18fd209f00a1c6f615e1b5fe6005cadebd4e7a4a3906031dc396f620b765-ol8_aarch64_baseos_latest
openssh-keycat-8.0p1-30.0.1.el8_10.aarch64.rpm8eef18fd209f00a1c6f615e1b5fe6005cadebd4e7a4a3906031dc396f620b765-ol8_aarch64_u10_baseos_patch
openssh-ldap-8.0p1-30.0.1.el8_10.aarch64.rpm1253a25e33e366849ab564c9e3d0b86806a41b0c98c05d5e37db11659181d16a-ol8_aarch64_baseos_latest
openssh-ldap-8.0p1-30.0.1.el8_10.aarch64.rpm1253a25e33e366849ab564c9e3d0b86806a41b0c98c05d5e37db11659181d16a-ol8_aarch64_u10_baseos_patch
openssh-server-8.0p1-30.0.1.el8_10.aarch64.rpmd802dce8ea29b0f75c83f321bec387fd8862c5812c3bf352a9c31f4f4d81b832-ol8_aarch64_baseos_latest
openssh-server-8.0p1-30.0.1.el8_10.aarch64.rpmd802dce8ea29b0f75c83f321bec387fd8862c5812c3bf352a9c31f4f4d81b832-ol8_aarch64_u10_baseos_patch
pam_ssh_agent_auth-0.10.3-7.30.0.1.el8_10.aarch64.rpm55b59ca2d43a7920ba71036623f65d31c0fba1a68a37e05578854f159d32ff91-ol8_aarch64_baseos_latest
pam_ssh_agent_auth-0.10.3-7.30.0.1.el8_10.aarch64.rpm55b59ca2d43a7920ba71036623f65d31c0fba1a68a37e05578854f159d32ff91-ol8_aarch64_u10_baseos_patch
Oracle Linux 8 (x86_64) openssh-8.0p1-30.0.1.el8_10.src.rpmb94efd01b30f86d2933a015df9878fbd6e8add35b755b94c5568f0c72ec7f81b-ol8_x86_64_appstream
openssh-8.0p1-30.0.1.el8_10.src.rpmb94efd01b30f86d2933a015df9878fbd6e8add35b755b94c5568f0c72ec7f81b-ol8_x86_64_baseos_latest
openssh-8.0p1-30.0.1.el8_10.src.rpmb94efd01b30f86d2933a015df9878fbd6e8add35b755b94c5568f0c72ec7f81b-ol8_x86_64_u10_baseos_patch
openssh-8.0p1-30.0.1.el8_10.x86_64.rpm1cda52226db74d936dd789f112d05ac663ca7396e0c4e58421df4c574566034b-ol8_x86_64_baseos_latest
openssh-8.0p1-30.0.1.el8_10.x86_64.rpm1cda52226db74d936dd789f112d05ac663ca7396e0c4e58421df4c574566034b-ol8_x86_64_u10_baseos_patch
openssh-askpass-8.0p1-30.0.1.el8_10.x86_64.rpm9ca454f3b98337a912b5b82dc6af28aebc8f767780dce2d0883c2716359a28b5-ol8_x86_64_appstream
openssh-cavs-8.0p1-30.0.1.el8_10.x86_64.rpm032edc444e8f2490dfd92a50e8eb2c07bc85cd07d373768b13758bb7790987df-ol8_x86_64_baseos_latest
openssh-cavs-8.0p1-30.0.1.el8_10.x86_64.rpm032edc444e8f2490dfd92a50e8eb2c07bc85cd07d373768b13758bb7790987df-ol8_x86_64_u10_baseos_patch
openssh-clients-8.0p1-30.0.1.el8_10.x86_64.rpmac53021d3d08a3a96676c2ed2416e91548dca9173cf2f20f3b054ef5bf4ff38b-ol8_x86_64_baseos_latest
openssh-clients-8.0p1-30.0.1.el8_10.x86_64.rpmac53021d3d08a3a96676c2ed2416e91548dca9173cf2f20f3b054ef5bf4ff38b-ol8_x86_64_u10_baseos_patch
openssh-keycat-8.0p1-30.0.1.el8_10.x86_64.rpm6b18da7bcddbc5613d2c779db6366a5f610a7cd506f007329088330e32d514e1-ol8_x86_64_baseos_latest
openssh-keycat-8.0p1-30.0.1.el8_10.x86_64.rpm6b18da7bcddbc5613d2c779db6366a5f610a7cd506f007329088330e32d514e1-ol8_x86_64_u10_baseos_patch
openssh-ldap-8.0p1-30.0.1.el8_10.x86_64.rpm51dd18aabc9dc6bc5896a78bffed3e986289d3240d448577814d4ac4a29a5dc1-ol8_x86_64_baseos_latest
openssh-ldap-8.0p1-30.0.1.el8_10.x86_64.rpm51dd18aabc9dc6bc5896a78bffed3e986289d3240d448577814d4ac4a29a5dc1-ol8_x86_64_u10_baseos_patch
openssh-server-8.0p1-30.0.1.el8_10.x86_64.rpma76c5629afeb1dd1476f5049d6fba8e3b8f0d5effc0b594b6de571ffb1187a03-ol8_x86_64_baseos_latest
openssh-server-8.0p1-30.0.1.el8_10.x86_64.rpma76c5629afeb1dd1476f5049d6fba8e3b8f0d5effc0b594b6de571ffb1187a03-ol8_x86_64_u10_baseos_patch
pam_ssh_agent_auth-0.10.3-7.30.0.1.el8_10.x86_64.rpm5f57fa2f5e1b618c7a84895eb5885803945f4108515da04b53b150cfb945222d-ol8_x86_64_baseos_latest
pam_ssh_agent_auth-0.10.3-7.30.0.1.el8_10.x86_64.rpm5f57fa2f5e1b618c7a84895eb5885803945f4108515da04b53b150cfb945222d-ol8_x86_64_u10_baseos_patch



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