Description
In GraphicsMagick 1.4 snapshot-20171217 Q8, there is a heap-based buffer over-read in ReadMNGImage in coders/png.c, related to accessing one byte before testing whether a limit has been reached.
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 | graphicsmagick | 1.3.27-3 | — |
| Debian 13 | graphicsmagick | 1.3.27-3 | — |
| Debian 12 | graphicsmagick | 1.3.27-3 | — |
| Debian 9 | graphicsmagick | 1.3.30+hg15796-1~deb9u1 | DSA-4321-1 |
| Debian 8 | graphicsmagick | 1.3.20-3+deb8u3 | DLA-1401-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 7 | graphicsmagick | 1.3.16-1.1+deb7u16 | DLA-1231-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | graphicsmagick | 1.3.23-1ubuntu0.6 | USN-4266-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 14.04 LTS | graphicsmagick | 1.3.18-1ubuntu3.1+esm6 | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 11 SP4 | GraphicsMagick | 1.2.5-4.78.33.1 | SUSE-SU-2018:0413-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Studio Onsite 1.3 | GraphicsMagick | 1.2.5-4.78.33.1 | SUSE-SU-2018:0413-1 |
Advisories 5
- USN-4266-1 graphicsmagick vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-4321-1 graphicsmagick - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1231-1 graphicsmagick - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1401-1 graphicsmagick - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2018:0413-1 Security update for GraphicsMagick SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://sourceforge.net/p/graphicsmagick/bugs/535/
- DSA-4321 vendor-advisory
- [debian-lts-announce] 20180627 [SECURITY] [DLA 1401-1] graphicsmagick security update mailing-list
- http://hg.graphicsmagick.org/hg/GraphicsMagick/rev/1721f1b7e67a
- [debian-lts-announce] 20180108 [SECURITY] [DLA 1231-1] graphicsmagick security update mailing-list
- USN-4266-1 vendor-advisory