SUSE: libssh Low Memory Exhaustion Denial of Service CVE-2025-3897-1
suse
October 31, 2025
* bsc#1249375 Cross-References: * CVE-2025-8277
Summary
## This update for libssh fixes the following issues: * CVE-2025-8277: memory exhaustion leading to client-side DoS due to improper memory management when KEX process is repeated with incorrect guesses (bsc#1249375). ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2025-3897=1 ## Package List: * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64) * libssh-devel-doc-0.6.3-12.18.1
Topics Covered
References
* bsc#1249375
Cross-
* CVE-2025-8277
CVSS scores:
* CVE-2025-8277 ( SUSE ): 3.1 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
* CVE-2025-8277 ( NVD ): 3.1 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
Affected Products:
* SUSE Linux Enterprise Server 12 SP5
* SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
* SUSE Linux Enterprise Server for SAP Applications 12 SP5
An update that solves one vulnerability can now be installed.
##
* https://www.suse.com/security/cve/CVE-2025-8277.html
* https://bugzilla.suse.com/show_bug.cgi?id=1249375
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Severity
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Announcement ID: SUSE-SU-2025:3897-1
Release Date: 2025-10-31T14:55:41Z
Rating: low
Topics Covered
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