Description
Heap out-of-bound read in CreateHtmlSubtitle in VideoLAN VLC 2.2.x due to missing check of string termination allows attackers to read data beyond allocated memory and potentially crash the process (causing a denial of service) via a crafted subtitles file.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| VideoLAN | VLC | 2.2.* | — |
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 | 2.2.5.1-1~deb9u1 | — |
| Debian 13 | vlc | 2.2.5.1-1~deb9u1 | — |
| Debian 12 | vlc | 2.2.5.1-1~deb9u1 | — |
| Debian 8 | vlc | 2.2.6-1~deb8u1 | DSA-3899-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | vlc | 2.2.2-5ubuntu0.16.04.3 | — |
| Ubuntu 14.04 LTS | vlc | 2.1.6-0ubuntu14.04.3 | — |
Advisories 3
- ICSA-26-146-05 ABB Ability Camera Connect CISA ICS & IT advisories · May 26, 2026
- DSA-3899-1 vlc - security update Debian Security (DSA / DLA) · Mar 9, 2026
- 4HZM000603 ABB Ability Camera Connect Vulnerabilities in outdated 3rd party component (VLC) ABB PSIRT · Nov 28, 2025
References
- GLSA-201707-10 vendor-advisory
- 98638 vdb-entry
- http://git.videolan.org/?p=vlc/vlc-2.2.git%3Ba=blobdiff%3Bf=modules/codec/subsdec.c%3Bh=addd8c71f30d53558fffd19059b374be45cf0f8e%3Bhp=1b4276e299a2a6668047231d29ac705ae93076ba%3Bhb=7cac839692ab79dbfe5e4ebd4c4e37d9a8b1b328%3Bhpb=3477dba3d506de8d95bccef2c6b67861188f6c29
- DSA-3899 vendor-advisory