openSUSE-SU-2026:21400-1

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Import Source
https://ftp.suse.com/pub/projects/security/osv/openSUSE-SU-2026:21400-1.json
JSON Data
https://api.osv.dev/v1/vulns/openSUSE-SU-2026:21400-1
Upstream
Related
Published
2026-07-21T15:16:48Z
Modified
2026-07-24T18:24:25Z
Summary
Security update for radvd
Details

This update for radvd fixes the following issue

  • CVE-2026-48715: crafted ICMPv6 Router Advertisement can lead to a stack-based buffer overflow (bsc#1268641).

Changes for radvd:

  • Update to version 2.21.
    • feat: RFC8319 support: Increase max AdvDefaultLifetime and MaxRtrAdvInterval.
    • feat: Add DHCPv6-PD preferred flag.
    • fix: improve file checks for procfs knobs.
    • feat: allow libc strlcpy.
    • fix: make libcheck fatal if missing with --with-check.
    • refactor: make drop_root_privileges reusable.
    • fix: support incoming jumbo packets.
    • Avoid libbsd header with libc strlcpy.
References

Affected packages

openSUSE:Leap 16.0 / radvd

Package

Name
radvd
Purl
pkg:rpm/opensuse/radvd&distro=openSUSE%20Leap%2016.0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.21-160000.1.1

Ecosystem specific 

{
    "binaries":  [
        {
            "radvd":  "2.21-160000.1.1"
        }
    ]
}

Database specific

source 
"https://ftp.suse.com/pub/projects/security/osv/openSUSE-SU-2026:21400-1.json"