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openSUSE Leap 16.0 Busybox Important Heap Buffer Overflow Fix 2026-20883-1

opensuse
Calendar Grey June 3, 2026
Dist Opensuse Esm H88
Critical update for openSUSE Leap 16.0 solves a buffer overflow in busybox DHCP client. Immediate patching recommended.
An update that solves one vulnerability and has one bug fix can now be installed.

Description

This update for busybox fixes the following issue

- CVE-2026-29004: a crafted DHCPv6 response can lead to a heap buffer overflow in the DHCPv6 client (bsc#1263989).

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-16.0-876=1

Patch

Package List

- openSUSE Leap 16.0:

busybox-1.37.0-160000.6.1

busybox-static-1.37.0-160000.6.1

busybox-warewulf3-1.37.0-160000.6.1

References

* bsc#1263989

References:

* https://www.suse.com/security/cve/CVE-2026-29004.html

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2026:20883-1
Rating: important
Affected Products: openSUSE Leap 16.0 -------------------------------------------------------------

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