SUSE Avails Critical Buffer Overflow and NULL Pointer CVE-2025-59777
suse
December 16, 2025
An update that solves two vulnerabilities can now be installed.
Summary
## This update for libmicrohttpd fixes the following issues: * CVE-2025-59777: Fixed NULL pointer dereference (bsc#1253177). * CVE-2025-62689: Fixed heap-based buffer overflow(bsc#1253178). ## 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-6.0-531=1 ## Package List: * SUSE Linux Micro 6.0 (aarch64 s390x x86_64) * libmicrohttpd-debugsource-0.9.77-2.1 * libmicrohttpd12-debuginfo-0.9.77-2.1 * libmicrohttpd12-0.9.77-2.1
Topics Covered
References
* bsc#1253177
* bsc#1253178
Cross-
* CVE-2025-59777
* CVE-2025-62689
CVSS scores:
* CVE-2025-59777 ( SUSE ): 8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2025-59777 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2025-59777 ( NVD ): 8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
* CVE-2025-59777 ( NVD ): 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2025-62689 ( SUSE ): 8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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Severity
important
Lowest
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Critical
Announcement ID: SUSE-SU-2025:21200-1
Release Date: 2025-12-09T15:27:22Z
Rating: important
Topics Covered
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