SUSE Linux Micro gnutls Moderate DoS CVE-2025-14831 Advisory 2026-20708-1
suse
March 18, 2026
An update that solves one vulnerability, contains two features and has one fix can now be installed.
Summary
## This update for gnutls fixes the following issues: Add the functionality to allow to specify the hash algorithm for the PSK. This fixes a bug in the current implementation where the binder is always calculated with SHA256. * (bsc#1258083, jsc#PED-15752, jsc#PED-15753) * lib/psk: Add gnutls_psk_allocate_{client,server}_credentials2 * tests/psk-file: Add testing for _credentials2 functions * lib/psk: add null check for binder algo * pre_shared_key: fix memleak when retrying with different binder algo * pre_shared_key: add null check on pskcred Security fix: * CVE-2025-14831: DoS via excessive resource consumption during certificate verification (bsc#1257960) ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
References
* bsc#1257960
* bsc#1258083
* jsc#PED-15752
* jsc#PED-15753
Cross-
* CVE-2025-14831
CVSS scores:
* CVE-2025-14831 ( SUSE ): 6.9
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
* CVE-2025-14831 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
* CVE-2025-14831 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected Products:
* SUSE Linux Micro 6.0
An update that solves one vulnerability, contains two features and has one fix
can now be installed.
##
* https://www.suse.com/security/cve/CVE-2025-14831.html
* https://bugzilla.suse.com/show_bug.cgi?id=1257960
* https://bugzilla.suse.com/show_bug.cgi?id=1258083
* https://jira.suse.com/browse/PED-15752
* https://jira.suse.com/browse/PED-15753
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