Description
Buffer overflow in the sixel_decode function in coders/sixel.c in ImageMagick before 6.9.5-8 allows remote attackers to cause a denial of service (application crash) or have other unspecified impact via a crafted 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 | imagemagick | 8:6.9.6.2+dfsg-2 | — |
| Debian 13 | imagemagick | 8:6.9.6.2+dfsg-2 | — |
| Debian 12 | imagemagick | 8:6.9.6.2+dfsg-2 | — |
| Debian 8 | imagemagick | 8:6.8.9.9-5+deb8u5 | DSA-3675-1 |
| Debian 7 | imagemagick | 8:6.7.7.10-5+deb7u8 | DLA-731-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | imagemagick | 8:6.8.9.9-7ubuntu5.2 | — |
| Ubuntu 14.04 LTS | imagemagick | 8:6.7.7.10-6ubuntu3.2 | — |
Advisories 2
- DSA-3675-1 imagemagick - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-731-1 imagemagick - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- https://github.com/ImageMagick/ImageMagick/commit/10b3823a7619ed22d42764733eb052c4159bc8c1
- https://bugzilla.redhat.com/show_bug.cgi?id=1410465
- [oss-security] 20161226 Re: CVE requests for various ImageMagick issues mailing-list
- 95190 vdb-entry
- 95191 vdb-entry
- https://github.com/ImageMagick/ImageMagick/commit/eedd0c35bb2d8af7aa05f215689fdebd11633fa1