Description
The gdImageCropThreshold function in gd_crop.c in the GD Graphics Library (aka libgd) before 2.2.3, as used in PHP before 7.0.9, allows remote attackers to cause a denial of service (application crash) via an invalid color index.
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 | libgd2 | 2.2.2-29-g3c2b605-1 | — |
| Debian 13 | libgd2 | 2.2.2-29-g3c2b605-1 | — |
| Debian 12 | libgd2 | 2.2.2-29-g3c2b605-1 | — |
| Debian 8 | libgd2 | 2.1.0-5+deb8u4 | DSA-3619-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | libgd2 | 2.1.1-4ubuntu0.16.04.2 | USN-3030-1 |
| Ubuntu 14.04 LTS | libgd2 | 2.1.0-3ubuntu0.2 | USN-3030-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 2 | rh-php56 +2 | 2.3-1.el6 | RHSA-2016:2750 |
| RHEL 2 | rh-php56-php +27 | 5.6.25-1.el6 | RHSA-2016:2750 |
| RHEL 2 | rh-php56-php-pear | 1:1.9.5-4.el6 | RHSA-2016:2750 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP1 | gd | 2.1.0-12.1 | SUSE-SU-2016:2303-1 |
| SLES 12 SP1 | php5 | 5.5.14-73.1 | SUSE-SU-2016:2408-1 |
| SLES 12 SP1 | php7 | 7.0.7-15.1 | SUSE-SU-2016:2460-1 |
| SLES 12 | php5 | 5.5.14-73.1 | SUSE-SU-2016:2408-1 |
| SLES 12 | php7 | 7.0.7-15.1 | SUSE-SU-2016:2460-2, SUSE-SU-2016:2460-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP1 | gd | 2.1.0-12.1 | SUSE-SU-2016:2303-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | gd | 2.2.3-2.1 | openSUSE-SU-2024:10062-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.4 | gd | 2.2.3-r0 | — |
| Alpine v3.3 | gd | 2.2.1-r2 | — |
| Alpine v3.2 | gd | 2.2.1-r2 | — |
Advisories 8
- RHSA-2016:2750 Red Hat Security Advisory: rh-php56 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Aug 5, 2026
- USN-3030-1 libgd2 vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-3619-1 libgd2 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2016:2460-1 Security update for php7 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:2408-1 Security update for php5 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:2303-1 Security update for gd SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:2460-2 Security update for php7 SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10062-1 gd-2.2.3-2.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- openSUSE-SU-2016:2117 vendor-advisory
- [oss-security] 20160629 Re: CVE Request: libgd: Invalid color index is not properly handled leading to denial of service (crash) mailing-list
- 91509 vdb-entry
- https://libgd.github.io/release-2.2.3.html
- https://bugs.php.net/72494
- openSUSE-SU-2016:2363 vendor-advisory
- RHSA-2016:2750 vendor-advisory
- 1036276 vdb-entry
- https://github.com/libgd/libgd/commit/6ff72ae40c7c20ece939afb362d98cc37f4a1c96
- GLSA-201612-09 vendor-advisory
- DSA-3619 vendor-advisory
- USN-3030-1 vendor-advisory
- https://github.com/libgd/libgd/commit/1ccfe21e14c4d18336f9da8515cd17db88c3de61