Description
A heap-based buffer overflow in the hxxx_AnnexB_to_xVC function in modules/packetizer/hxxx_nal.c in VideoLAN VLC media player before 3.0.11 for macOS/iOS allows remote attackers to cause a denial of service (application crash) or execute arbitrary code via a crafted H.264 Annex-B video (.avi for example) file.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | vlc | 3.0.11-1 | — |
| Debian 13 | vlc | 3.0.11-1 | — |
| Debian 12 | vlc | 3.0.11-1 | — |
| Debian 10 | vlc | 3.0.11-0+deb10u1 | DSA-4704-1 |
| Debian 9 | vlc | 3.0.11-0+deb9u1 | DSA-4704-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 22.04 LTS | vlc | 3.0.16-1ubuntu0.1~esm1 | USN-6180-1 |
| Ubuntu Pro 20.04 LTS | vlc | 3.0.9.2-1ubuntu0.1~esm1 | USN-6180-1 |
| Ubuntu Pro 18.04 LTS | vlc | 3.0.8-0ubuntu18.04.1+esm1 | USN-6180-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | vlc | 2.2.2-5ubuntu0.16.04.5+esm2 | USN-6180-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Package Hub 15 SP2 | vlc | 3.0.11.1-bp152.2.9.1 | openSUSE-SU-2021:0122-1 |
| SUSE Package Hub 15 SP1 | vlc | 3.0.11.1-bp151.5.12.1 | openSUSE-SU-2021:0121-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | vlc | 3.0.16-1.5 | openSUSE-SU-2024:11502-1 |
| openSUSE Leap 15.2 | vlc | 3.0.11.1-lp152.2.9.1 | openSUSE-SU-2021:0091-1 |
| openSUSE Leap 15.1 | vlc | 3.0.11.1-lp151.6.12.1 | openSUSE-SU-2021:0076-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | vlc | 3.0.11-r0 | — |
| Alpine v3.23 | vlc | 3.0.11-r0 | — |
| Alpine v3.22 | vlc | 3.0.11-r0 | — |
| Alpine v3.21 | vlc | 3.0.11-r0 | — |
| Alpine v3.20 | vlc | 3.0.11-r0 | — |
Show 8 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | vlc | 3.0.11-r0 | — |
| Alpine v3.18 | vlc | 3.0.11-r0 | — |
| Alpine v3.17 | vlc | 3.0.11-r0 | — |
| Alpine v3.16 | vlc | 3.0.11-r0 | — |
| Alpine v3.15 | vlc | 3.0.11-r0 | — |
| Alpine v3.14 | vlc | 3.0.11-r0 | — |
| Alpine v3.13 | vlc | 3.0.11-r0 | — |
| Alpine v3.12 | vlc | 3.0.11-r0 | — |
Advisories 8
- USN-6180-1 vlc vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- DSA-4704-1 vlc - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2021:0122-1 Security update for vlc SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:0076-1 Security update for vlc SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:0091-1 Security update for vlc SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11502-1 libvlc5-3.0.16-1.5 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:0121-1 Security update for vlc SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2023-1516 VLC: Schwachstelle ermöglicht Ausführen von beliebigem Programmcode BSI CERT-Bund (WID) · Jun 20, 2023
References
- https://github.com/videolan/vlc/commits/master/modules/packetizer/hxxx_nal.c
- http://git.videolan.org/?p=vlc/vlc-3.0.git%3Ba=commit%3Bh=d5c43c21c747ff30ed19fcca745dea3481c733e0
- https://github.com/videolan/vlc-3.0/releases/tag/3.0.11
- DSA-4704 vendor-advisory
- https://www.videolan.org/security/sb-vlc3011.html