Description
GNU Libextractor 1.6 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted GIF, IT (Impulse Tracker), NSFE, S3M (Scream Tracker 3), SID, or XM (eXtended Module) file, as demonstrated by the EXTRACTOR_xm_extract_method function in plugins/xm_extractor.c.
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 | libextractor | 1:1.6-2 | — |
| Debian 13 | libextractor | 1:1.6-2 | — |
| Debian 12 | libextractor | 1:1.6-2 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | libextractor | 1:1.3-4+deb9u3build0.16.04.1 | USN-4641-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 14.04 LTS | libextractor | No fix yet | — |
Advisories 1
- USN-4641-1 libextractor vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
References
- https://lists.gnu.org/archive/html/bug-libextractor/2017-11/msg00005.html
- https://bugs.debian.org/883528#35
- https://lists.gnu.org/archive/html/bug-libextractor/2017-11/msg00001.html
- https://lists.gnu.org/archive/html/bug-libextractor/2017-11/msg00000.html
- 102116 vdb-entry
- https://lists.gnu.org/archive/html/bug-libextractor/2017-11/msg00002.html
- https://gnunet.org/git/libextractor.git/commit/?id=7cc63b001ceaf81143795321379c835486d0c92e
- https://lists.gnu.org/archive/html/bug-libextractor/2017-11/msg00004.html