Description
Giflib contains a double-free vulnerability that is the result of a shallow copy in GifMakeSavedImage and incorrect error handling. The conditions needed to trigger this vulnerability are difficult but may be possible.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| giflib | giflib | 5.0.0 – ≤ 6.1.1 | — |
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 | 6.1.3-1 | — |
| Debian 13 | giflib | 5.2.2-1+deb13u1 | — |
| Debian 12 | giflib | 5.2.1-2.5+deb12u1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.04 LTS | giflib | 5.2.2-1ubuntu3.2 | USN-8583-1 |
| Ubuntu 25.10 | giflib | No fix yet | — |
| Ubuntu 24.04 LTS | giflib | 5.2.2-1ubuntu1.2 | USN-8583-1 |
| Ubuntu 22.04 LTS | giflib | 5.1.9-2ubuntu0.3 | USN-8583-1 |
| Ubuntu 20.04 LTS | giflib | No fix yet | — |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | giflib | No fix yet | — |
| Ubuntu Pro 16.04 LTS | giflib | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 10 | giflib +1 | 5.2.1-22.el10_1.1 | RHSA-2026:19154, RHSA-2026:8858 |
| RHEL 9 | giflib +1 | 5.2.1-9.el9_7.1 | RHSA-2026:19367, RHSA-2026:8859 |
| RHEL 8 | giflib +1 | 5.1.4-4.el8_10 | RHSA-2026:8861 |
Show 14 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 10.0 EUS | giflib +1 | 5.2.1-22.el10_0.1 | RHSA-2026:9290 |
| RHEL 9.6 EUS | giflib +1 | 5.2.1-9.el9_6.1 | RHSA-2026:9294 |
| RHEL 9.4 EUS | giflib +1 | 5.2.1-9.el9_4.1 | RHSA-2026:9295 |
| RHEL 9.2 E4S | giflib | 5.2.1-9.el9_2.1 | RHSA-2026:9292 |
| RHEL 9.0 E4S | giflib | 5.2.1-9.el9_0.1 | RHSA-2026:9291 |
| RHEL 8.8 TUS | giflib | 5.1.4-3.el8_8.1 | RHSA-2026:8886 |
| RHEL 8.8 E4S | giflib | 5.1.4-3.el8_8.1 | RHSA-2026:8886 |
| RHEL 8.6 TUS | giflib | 5.1.4-3.el8_6.1 | RHSA-2026:8887 |
| RHEL 8.6 E4S | giflib | 5.1.4-3.el8_6.1 | RHSA-2026:8887 |
| RHEL 8.6 AUS | giflib | 5.1.4-3.el8_6.1 | RHSA-2026:8887 |
| RHEL 8.4 EUS Long Life | giflib | 5.1.4-3.el8_4.1 | RHSA-2026:8885 |
| RHEL 8.4 AUS | giflib | 5.1.4-3.el8_4.1 | RHSA-2026:8885 |
| RHEL 8.2 AUS | giflib | 5.1.4-3.el8_2.1 | RHSA-2026:8884 |
| RHEL 7 ELS | giflib +2 | 4.1.6-9.el7_9.1 | RHSA-2026:8883 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 10 | giflib +1 | 5.2.1-22.el10_1.1 | ALSA-2026:19154, ALSA-2026:8858 |
| AlmaLinux 9 | giflib +1 | 5.2.1-9.el9_7.1 | ALSA-2026:19367, ALSA-2026:8859 |
| AlmaLinux 8 | giflib +1 | 5.1.4-4.el8_10 | ALSA-2026:8861 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 10 | giflib | 5.2.1-22.el10_1.1 | RLSA-2026:19154, RLSA-2026:8858 |
| Rocky Linux 9 | giflib | 5.2.1-9.el9_7.1 | RLSA-2026:19367, RLSA-2026:8859 |
| Rocky Linux 8 | giflib | 5.1.4-4.el8_10 | RLSA-2026:8861 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | giflib | 5.2.2-150000.4.19.1 | SUSE-SU-2026:1338-1 |
| SLES 12 SP5 | giflib | 5.0.6-13.12.1 | SUSE-SU-2026:1005-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | giflib | 5.2.2-3.1 | openSUSE-SU-2026:10326-1 |
| openSUSE Leap 16.0 | giflib | 5.2.2-160000.3.1 | openSUSE-SU-2026:20601-1 |
| openSUSE Leap 15.6 | giflib | 5.2.2-150000.4.19.1 | SUSE-SU-2026:1338-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | giflib +2 | 5.2.1-9.amzn2023.0.3 | ALAS2023-2026-1508 |
| Amazon Linux 2 | giflib +2 | 4.1.6-9.amzn2.0.5 | ALAS2-2026-3212 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | giflib | 5.2.1-11 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 10 | giflib +1 | 5.2.1-22.el10_1.1 | ELSA-2026-19154, ELSA-2026-8858 |
| Oracle Linux 9 | giflib +1 | 5.2.1-9.el9_7.1 | ELSA-2026-19367, ELSA-2026-8859 |
| Oracle Linux 8 | giflib +1 | 5.1.4-4.el8_10 | ELSA-2026-8861 |
| Oracle Linux 7 | giflib +2 | 4.1.6-9.0.3.el7 | ELSA-2026-8883 |
Advisories 39
- ALSA-2026:8858 Important: giflib security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:19367 Important: giflib update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:8859 Important: giflib security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:19154 Important: giflib security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:8861 Important: giflib security update AlmaLinux Security Advisories · Oct 29, 2026
- WID-SEC-2026-1169 Red Hat Enterprise Linux (giflib): Schwachstelle ermöglicht Codeausführung oder DoS BSI CERT-Bund (WID) · Jul 22, 2026
- USN-8583-1 giflib vulnerabilities Ubuntu Security Notices (USN) · Jul 22, 2026
- ELSA-2026-19154 Important: giflib security update (Oracle Linux 10) Oracle Linux Security Advisories (ELSA) · Jul 17, 2026
- RHSA-2026:9295 Red Hat Security Advisory: giflib security update Red Hat Security Advisories (RHSA) · Jul 15, 2026
- RHSA-2026:9292 Red Hat Security Advisory: giflib security update Red Hat Security Advisories (RHSA) · Jul 15, 2026
- RHSA-2026:9294 Red Hat Security Advisory: giflib security update Red Hat Security Advisories (RHSA) · Jul 15, 2026
- RHSA-2026:9291 Red Hat Security Advisory: giflib security update Red Hat Security Advisories (RHSA) · Jul 15, 2026
- RHSA-2026:9290 Red Hat Security Advisory: giflib security update Red Hat Security Advisories (RHSA) · Jul 15, 2026
- RHSA-2026:8886 Red Hat Security Advisory: giflib security update Red Hat Security Advisories (RHSA) · Jul 15, 2026
- RHSA-2026:8887 Red Hat Security Advisory: giflib security update Red Hat Security Advisories (RHSA) · Jul 15, 2026
- RHSA-2026:8884 Red Hat Security Advisory: giflib security update Red Hat Security Advisories (RHSA) · Jul 15, 2026
- RHSA-2026:8885 Red Hat Security Advisory: giflib security update Red Hat Security Advisories (RHSA) · Jul 15, 2026
- RHSA-2026:8883 Red Hat Security Advisory: giflib security update Red Hat Security Advisories (RHSA) · Jul 15, 2026
- RHSA-2026:8861 Red Hat Security Advisory: giflib security update Red Hat Security Advisories (RHSA) · Jul 15, 2026
- RHSA-2026:8858 Red Hat Security Advisory: giflib security update Red Hat Security Advisories (RHSA) · Jul 15, 2026
- RHSA-2026:8859 Red Hat Security Advisory: giflib security update Red Hat Security Advisories (RHSA) · Jul 15, 2026
- RHSA-2026:19367 Red Hat Security Advisory: giflib update Red Hat Security Advisories (RHSA) · Jul 15, 2026
- RHSA-2026:19154 Red Hat Security Advisory: giflib security update Red Hat Security Advisories (RHSA) · Jul 15, 2026
- ELSA-2026-19367 Important: giflib update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Jun 23, 2026
- RLSA-2026:19154 Important: giflib security update Rocky Linux Security Advisories · May 29, 2026
- RLSA-2026:19367 Important: giflib update Rocky Linux Security Advisories · May 28, 2026
- ELSA-2026-8883 Important: giflib security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · May 15, 2026
- openSUSE-SU-2026:20601-1 Security update for giflib SUSE / openSUSE Security Updates · Apr 24, 2026
- RLSA-2026:8861 Important: giflib security update Rocky Linux Security Advisories · Apr 23, 2026
- RLSA-2026:8858 Important: giflib security update Rocky Linux Security Advisories · Apr 21, 2026
- RLSA-2026:8859 Important: giflib security update Rocky Linux Security Advisories · Apr 21, 2026
- ELSA-2026-8859 Important: giflib security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Apr 20, 2026
- ELSA-2026-8861 Important: giflib security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Apr 20, 2026
- ELSA-2026-8858 Important: giflib security update (Oracle Linux 10) Oracle Linux Security Advisories (ELSA) · Apr 19, 2026
- SUSE-SU-2026:1338-1 Security update for giflib SUSE / openSUSE Security Updates · Apr 16, 2026
- ALAS2023-2026-1508 Important: giflib security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Apr 1, 2026
- ALAS2-2026-3212 Important: giflib security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Apr 1, 2026
- SUSE-SU-2026:1005-1 Security update for giflib SUSE / openSUSE Security Updates · Mar 26, 2026
- openSUSE-SU-2026:10326-1 giflib-devel-32bit-5.2.2-3.1 on GA media SUSE / openSUSE Security Updates · Mar 14, 2026