Alerts This Week
Warning Icon 1 916
Alerts This Week
Warning Icon 1 916

SUSE: gnutls Important Buffer Overflow Fix Advisory CVE-2025-32988

suse
Calendar Grey August 28, 2025
Dist Suse Esm H88
Critical security updates for gnutls in SUSE have been released, addressing multiple vulnerabilities. Prompt installation is recommended to maintain system integrity and guard against threats
* bsc#1246232 * bsc#1246233 * bsc#1246267 * bsc#1246299

Summary

## This update for gnutls fixes the following issues: * CVE-2025-32988: Fixed double-free due to incorrect ownership handling (bsc#1246232) * CVE-2025-32989: Fixed heap buffer overread during X.509 certificate parsing (bsc#1246233) * CVE-2025-32990: Fixed 1-byte heap buffer overflow when parsing templates with certtool (bsc#1246267) * CVE-2025-6395: Fixed NULL pointer dereference when 2nd Client Hello omits PSK (bsc#1246299) ## 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 Micro 6.0 zypper in -t patch SUSE-SLE-Micro-6.0-426=1 ## Package List: * SUSE Linux Micro 6.0 (aarch64 s390x x86_64) * libgnutls30-3.8.3-4.1

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE important gnutls heap overread

References

* bsc#1246232

* bsc#1246233

* bsc#1246267

* bsc#1246299

Cross-

* CVE-2025-32988

* CVE-2025-32989

* CVE-2025-32990

* CVE-2025-6395

CVSS scores:

* CVE-2025-32988 ( SUSE ): 9.2

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

* CVE-2025-32988 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

* CVE-2025-32988 ( NVD ): 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

* CVE-2025-32988 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H

* CVE-2025-32989 ( SUSE ): 8.3

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N

* CVE-2025-32989 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H

* CVE-2025-32989 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

* CVE-2025-32990 ( SUSE ): 4.8

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:20563-1
Release Date: 2025-08-20T11:49:18Z
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE important gnutls heap overread

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here