CVE catalog
CVE-2026-48715
radvd is a router advertisement daemon for IPv6. Prior to version 2.21, the `radvdump` utility shipped with radvd contains a stack buffer overflow in the Route Information option parser. When processi
- Severity
- High · CVSS 7.7
CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/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 - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.33% · Oct 25, 2026
radvd is a router advertisement daemon for IPv6. Prior to version 2.21, the `radvdump` utility shipped with radvd contains a stack buffer overflow in the Route Information option parser. When processing a crafted ICMPv6 Router Advertisement, `print_ff()` copies up to 2032 bytes from attacker-controlled packet data into a 16-byte `struct in6_addr` on the stack, overflowing by up to 2016 bytes. Note that the main `radvd` daemon is not affected by the vulnerability. Version 2.21 patches the issue.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | radvd | sid | 1:2.20-1 | vulnerable |
| Debian | radvd | forky | 1:2.20-1 | vulnerable |
| Debian | radvd | trixie | 1:2.20-1 | vulnerable |
| Debian | radvd | bookworm | 1:2.19-1 | vulnerable |
| Cpe | radvd | Not reported | Not reported | vulnerable |
| Cpe | radvd | Not reported | 2.21 | fixed |
| Alpine | radvd | 3.24 | 2.21-r0 | fixed |
| Suse | radvd | linux enterprise server 16.0 | 2.21-160000.1.1 | fixed |
| Suse | radvd | linux enterprise server for sap applications 16.0 | 2.21-160000.1.1 | fixed |
| Opensuse | radvd | leap 16.0 | 2.21-160000.1.1 | fixed |
| Suse | radvd | linux enterprise module for basesystem 15 sp7 | 2.17-150000.5.8.1 | fixed |
| Suse | radvd | linux enterprise high performance computing 15 sp4-espos | 2.17-150000.5.8.1 | fixed |
| Suse | radvd | linux enterprise high performance computing 15 sp4-ltss | 2.17-150000.5.8.1 | fixed |
| Suse | radvd | linux enterprise high performance computing 15 sp5-espos | 2.17-150000.5.8.1 | fixed |
| Suse | radvd | linux enterprise high performance computing 15 sp5-ltss | 2.17-150000.5.8.1 | fixed |
| Suse | radvd | linux enterprise server 15 sp4-ltss | 2.17-150000.5.8.1 | fixed |
| Suse | radvd | linux enterprise server 15 sp5-ltss | 2.17-150000.5.8.1 | fixed |
| Suse | radvd | linux enterprise server 15 sp6-ltss | 2.17-150000.5.8.1 | fixed |
| Suse | radvd | linux enterprise server for sap applications 15 sp4 | 2.17-150000.5.8.1 | fixed |
| Suse | radvd | linux enterprise server for sap applications 15 sp5 | 2.17-150000.5.8.1 | fixed |
| Suse | radvd | linux enterprise server for sap applications 15 sp6 | 2.17-150000.5.8.1 | fixed |
| Opensuse | radvd | tumbleweed | 2.21-1.1 | fixed |
| Cpe | radvd | Not reported | 2.21 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | radvd | source | sid | (unfixed) | unimportant | Not reported | [1138049] |
| Debian | radvd | source | forky | (unfixed) | unimportant | Not reported | [1138049] |
| Debian | radvd | source | trixie | (unfixed) | unimportant | Not reported | [1138049] |
| Debian | radvd | source | bookworm | (unfixed) | unimportant | Not reported | [1138049] |
| Cpe | radvd | cpe | Not reported | 2.21 | Not reported | Not reported | Not reported |
| Alpine | radvd | apk | 3.24 | 2.21-r0 | Not reported | ALPINE-CVE-2026-48715 | Not reported |
| Suse | radvd | rpm | linux enterprise server 16.0 | 2.21-160000.1.1 | Not reported | SUSE-SU-2026:22836-1 | Not reported |
| Suse | radvd | rpm | linux enterprise server for sap applications 16.0 | 2.21-160000.1.1 | Not reported | SUSE-SU-2026:22836-1 | Not reported |
| Opensuse | radvd | rpm | leap 16.0 | 2.21-160000.1.1 | Not reported | OPENSUSE-SU-2026:21400-1 | Not reported |
| Suse | radvd | rpm | linux enterprise module for basesystem 15 sp7 | 2.17-150000.5.8.1 | Not reported | SUSE-SU-2026:3055-1 | Not reported |
| Suse | radvd | rpm | linux enterprise high performance computing 15 sp4-espos | 2.17-150000.5.8.1 | Not reported | SUSE-SU-2026:3055-1 | Not reported |
| Suse | radvd | rpm | linux enterprise high performance computing 15 sp4-ltss | 2.17-150000.5.8.1 | Not reported | SUSE-SU-2026:3055-1 | Not reported |
| Suse | radvd | rpm | linux enterprise high performance computing 15 sp5-espos | 2.17-150000.5.8.1 | Not reported | SUSE-SU-2026:3055-1 | Not reported |
| Suse | radvd | rpm | linux enterprise high performance computing 15 sp5-ltss | 2.17-150000.5.8.1 | Not reported | SUSE-SU-2026:3055-1 | Not reported |
| Suse | radvd | rpm | linux enterprise server 15 sp4-ltss | 2.17-150000.5.8.1 | Not reported | SUSE-SU-2026:3055-1 | Not reported |
| Suse | radvd | rpm | linux enterprise server 15 sp5-ltss | 2.17-150000.5.8.1 | Not reported | SUSE-SU-2026:3055-1 | Not reported |
| Suse | radvd | rpm | linux enterprise server 15 sp6-ltss | 2.17-150000.5.8.1 | Not reported | SUSE-SU-2026:3055-1 | Not reported |
| Suse | radvd | rpm | linux enterprise server for sap applications 15 sp4 | 2.17-150000.5.8.1 | Not reported | SUSE-SU-2026:3055-1 | Not reported |
| Suse | radvd | rpm | linux enterprise server for sap applications 15 sp5 | 2.17-150000.5.8.1 | Not reported | SUSE-SU-2026:3055-1 | Not reported |
| Suse | radvd | rpm | linux enterprise server for sap applications 15 sp6 | 2.17-150000.5.8.1 | Not reported | SUSE-SU-2026:3055-1 | Not reported |
| Opensuse | radvd | rpm | tumbleweed | 2.21-1.1 | Not reported | OPENSUSE-SU-2026:11161-1 | Not reported |
| Cpe | radvd | cpe | Not reported | 2.21 | Not reported | NVD-CVE-2026-48715 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [radvd]Affected
Details (4)
1:2.19-1· arm64 · bookwormAffected
nvd · radvd · debian · bookworm; nvd · radvd · debian · 12
1:2.19-1+b1· amd64 · bookwormAffected
nvd · radvd · debian · bookworm; nvd · radvd · debian · 12
1:2.20-1~bpo12+1· amd64 · bookworm-backportsAffected
nvd · radvd · debian · bookworm; nvd · radvd · debian · 12
1:2.20-1~bpo12+1· arm64 · bookworm-backportsAffected
nvd · radvd · debian · bookworm; nvd · radvd · debian · 12
- [radvdump]Affected
Source package: [radvd]
Details (4)
1:2.19-1· arm64 · bookwormAffected
nvd · radvd · debian · bookworm; nvd · radvd · debian · 12
1:2.19-1+b1· amd64 · bookwormAffected
nvd · radvd · debian · bookworm; nvd · radvd · debian · 12
1:2.20-1~bpo12+1· amd64 · bookworm-backportsAffected
nvd · radvd · debian · bookworm; nvd · radvd · debian · 12
1:2.20-1~bpo12+1· arm64 · bookworm-backportsAffected
nvd · radvd · debian · bookworm; nvd · radvd · debian · 12
[Debian 13 (Trixie)]
- [radvd]Affected
Details (2)
1:2.20-1· arm64 · trixieAffected
nvd · radvd · debian · 13
1:2.20-1+b1· amd64 · trixieAffected
nvd · radvd · debian · 13
- [radvdump]Affected
Source package: [radvd]
Details (2)
1:2.20-1· arm64 · trixieAffected
nvd · radvd · debian · 13
1:2.20-1+b1· amd64 · trixieAffected
nvd · radvd · debian · 13
[openSUSE Tumbleweed]
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2026_3055-1.json]
- [https://github.com/radvd-project/radvd/commit/068bde13e3fd6a5fcdb6859e6a2acd293a325dc5]
- [https://github.com/radvd-project/radvd/security/advisories/GHSA-52px-gh9p-m379]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-48715]
- [https://osv.dev/vulnerability/ALPINE-CVE-2026-48715]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-48715]
- [https://osv.dev/vulnerability/SUSE-SU-2026:22836-1]
- [https://osv.dev/vulnerability/SUSE-SU-2026:3055-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2026:11161-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2026:21400-1]
- [https://security-tracker.debian.org/tracker/CVE-2026-48715]
[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]