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openSUSE Leap 16.0 busybox Important Buffer Overflow Vuln 2026-20883-1

opensuse
Calendar Grey June 3, 2026
Dist Opensuse Esm H88
An important security advisory for openSUSE addressing a busybox buffer overflow issue from crafted DHCPv6 responses.
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

Topics%20covered

Topics Covered

security advisory buffer overflow important DHCP busybox OpenSUSE

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 -------------------------------------------------------------

Topics%20covered

Topics Covered

security advisory buffer overflow important DHCP busybox OpenSUSE

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