Description
The quicktime_video_width function in lqt_quicktime.c in libquicktime 1.2.4 allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted mp4 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 | libquicktime | 2:1.2.4-11 | — |
| Debian 13 | libquicktime | 2:1.2.4-11 | — |
| Debian 12 | libquicktime | 2:1.2.4-11 | — |
| Debian 7 | libquicktime | 2:1.2.4-3+deb7u2 | DLA-1042-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | libquicktime | 2:1.2.4-7+deb8u1ubuntu0.1 | USN-4545-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | libquicktime | 1.2.4-13.1 | SUSE-SU-2017:1769-1 |
| SLES 11 SP4 | libquicktime | 1.0.3-6.5.1 | SUSE-SU-2017:1988-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP2 | libquicktime | 1.2.4-13.1 | SUSE-SU-2017:1769-1 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- libquicktime 1.2.4 - Denial of Service EDB-42148 · dos · Jun 9, 2017
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 4
- USN-4545-1 libquicktime vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-1042-1 libquicktime - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2017:1769-1 Security update for libquicktime SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:1988-1 Security update for libquicktime SUSE / openSUSE Security Updates · Feb 4, 2026
References
- 42148 exploit
- USN-4545-1 vendor-advisory