Description
Heap-based buffer overflow in giffix.c in giffix in giflib 5.1.1 allows attackers to cause a denial of service (program crash) via crafted image and logical screen width fields in a GIF 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 | giflib | 5.1.2-0.1 | — |
| Debian 13 | giflib | 5.1.2-0.1 | — |
| Debian 12 | giflib | 5.1.2-0.1 | — |
| Debian 6.0 | giflib | 4.1.6-9+deb6u1 | DLA-389-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP1 | giflib | 5.0.5-7.1 | SUSE-SU-2016:0202-1 |
| SLES 12 | giflib | 5.0.5-7.1 | SUSE-SU-2016:0202-1 |
| SLES 11 SP4 | giflib | 4.1.6-13.1 | SUSE-SU-2016:0192-1 |
| SLES 11 SP3 | giflib | 4.1.6-13.1 | SUSE-SU-2016:0192-1 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP1 | giflib | 5.0.5-7.1 | SUSE-SU-2016:0202-1 |
| SLES for SAP 12 | giflib | 5.0.5-7.1 | SUSE-SU-2016:0202-1 |
| SLES for SAP 11 SP4 | giflib | 4.1.6-13.1 | SUSE-SU-2016:0192-1 |
| SLES for SAP 11 SP3 | giflib | 4.1.6-13.1 | SUSE-SU-2016:0192-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | giflib | 5.1.4-1.12 | openSUSE-SU-2024:10016-1 |
Advisories 4
- DLA-389-1 giflib - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2016:0202-1 Security update for giflib SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10016-1 giflib-devel-32bit-5.1.4-1.12 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:0192-1 Security update for giflib SUSE / openSUSE Security Updates · Feb 4, 2026
References
- http://packetstormsecurity.com/files/135034/giflib-5.1.1-Heap-Overflow.html
- http://www-01.ibm.com/support/docview.wss?uid=isg3T1023474
- FEDORA-2015-d423b3276f vendor-advisory
- 20151221 giflib: heap overflow in giffix (CVE-2015-7555) mailing-list
- https://source.android.com/security/bulletin/2017-05-01
- 1035331 vdb-entry
- 81697 vdb-entry
- 20151221 giflib: heap overflow in giffix (CVE-2015-7555) mailing-list