Alerts This Week
Warning Icon 1 640
Alerts This Week
Warning Icon 1 640

openSUSE Leap 16.0 ID 2026-20133-1 glibc Serious Memory Corruption Bugs

opensuse
Calendar Grey February 3, 2026
Dist Opensuse Esm H88
Update resolves 4 important issues in glibc with various bug fixes for openSUSE Leap 16.0 systems. Install now!
An update that solves 4 vulnerabilities and has 5 bug fixes can now be installed.

Description

This update for glibc fixes the following issues:

Security fixes:

- CVE-2025-0395: Fixed buffer overflow in the assert() function (bsc#1236282).

- CVE-2026-0861: Fixed inadequate size check in the memalign suite may result in an integer overflow (bsc#1256766).

- CVE-2026-0915: Fixed uninitialized stack buffer used as DNS query name when net==0 in _nss_dns_getnetbyaddr_r (bsc#1256822).

- CVE-2025-15281: Fixed uninitialized memory may cause the process abort (bsc#1257005).

Other fixes:

- NPTL: Optimize trylock for high cache contention workloads (bsc#1256436)

Patch instructions:

To install this openSUSE security update use the suse recommended installation methods

like YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

- openSUSE Leap 16.0

zypper in -t patch openSUSE-Leap-16.0-218=1

Topics%20covered

Topics Covered

security advisory buffer overflow important integer overflow OpenSUSE DNS query

Patch

Package List

- openSUSE Leap 16.0:

cross-aarch64-glibc-devel-2.40-160000.3.1

cross-ppc64le-glibc-devel-2.40-160000.3.1

cross-riscv64-glibc-devel-2.40-160000.3.1

cross-s390x-glibc-devel-2.40-160000.3.1

glibc-2.40-160000.3.1

glibc-devel-2.40-160000.3.1

glibc-devel-static-2.40-160000.3.1

glibc-extra-2.40-160000.3.1

glibc-gconv-modules-extra-2.40-160000.3.1

glibc-html-2.40-160000.3.1

glibc-i18ndata-2.40-160000.3.1

glibc-info-2.40-160000.3.1

glibc-lang-2.40-160000.3.1

glibc-locale-2.40-160000.3.1

glibc-locale-base-2.40-160000.3.1

glibc-profile-2.40-160000.3.1

glibc-utils-2.40-160000.3.1

References

* bsc#1236282

* bsc#1256436

* bsc#1256766

* bsc#1256822

* bsc#1257005

References:

* https://www.suse.com/security/cve/CVE-2025-0395.html

* https://www.suse.com/security/cve/CVE-2025-15281.html

* https://www.suse.com/security/cve/CVE-2026-0861.html

* https://www.suse.com/security/cve/CVE-2026-0915.html

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2026:20133-1
Rating: important
Affected Products: openSUSE Leap 16.0 -------------------------------------------------------------

Topics%20covered

Topics Covered

security advisory buffer overflow important integer overflow OpenSUSE DNS query

Get the latest News and Insights

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

Your message here