CVE-2026-23868
Fixed in a distro release EPSS <1%CVSS 5.1
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.
Products: giflib, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 10.0 Extended Update Support, Red Hat Enterprise Linux 7 Extended Lifecycle Support, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On, Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Telecommunications Update Service, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, Red Hat Enterprise Linux 8.8 Telecommunications Update Service, Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions, Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions, Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions, Red Hat Enterprise Linux 9.4 Extended Update Support, Red Hat Enterprise Linux 9.6 Extended Update Support, Red Hat AI Inference Server 3.2, Red Hat AI Inference Server 3.3, Red Hat Enterprise Linux 6
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux 10 | giflib | 5.2.1-24.el10_2 |
| AlmaLinux 10 | giflib | 5.2.1-22.el10_1.1 |
| AlmaLinux 10 | giflib-devel | 5.2.1-24.el10_2 |
| AlmaLinux 10 | giflib-devel | 5.2.1-22.el10_1.1 |
| AlmaLinux 8 | giflib | 5.1.4-4.el8_10 |
| AlmaLinux 8 | giflib-devel | 5.1.4-4.el8_10 |
| AlmaLinux 9 | giflib | 5.2.1-9.el9_7.1 |
| AlmaLinux 9 | giflib-devel | 5.2.1-9.el9_7.1 |
| Debian 12 | giflib | 5.2.1-2.5+deb12u1 |
| Debian 13 | giflib | 5.2.2-1+deb13u1 |
| Debian 14 | giflib | 6.1.3-1 |
| Red Hat Enterprise Linux 10.1 | giflib | 0:5.2.1-22.el10_1.1 |
| Red Hat Enterprise Linux 10.1 | giflib-debuginfo | 0:5.2.1-22.el10_1.1 |
| Red Hat Enterprise Linux 10.1 | giflib-debugsource | 0:5.2.1-22.el10_1.1 |
| Red Hat Enterprise Linux 10.1 | giflib-devel | 0:5.2.1-22.el10_1.1 |
| Red Hat Enterprise Linux 10.1 | giflib-utils-debuginfo | 0:5.2.1-22.el10_1.1 |
| Red Hat Enterprise Linux 10.2 | giflib | 0:5.2.1-24.el10_2 |
| Red Hat Enterprise Linux 10.2 | giflib-debuginfo | 0:5.2.1-24.el10_2 |
| Red Hat Enterprise Linux 10.2 | giflib-debugsource | 0:5.2.1-24.el10_2 |
| Red Hat Enterprise Linux 10.2 | giflib-devel | 0:5.2.1-24.el10_2 |
| Red Hat Enterprise Linux 10.2 | giflib-utils-debuginfo | 0:5.2.1-24.el10_2 |
| Red Hat Enterprise Linux 8 | giflib | 0:5.1.4-4.el8_10 |
| Red Hat Enterprise Linux 8 | giflib-debuginfo | 0:5.1.4-4.el8_10 |
| Red Hat Enterprise Linux 8 | giflib-debugsource | 0:5.1.4-4.el8_10 |
| Red Hat Enterprise Linux 8 | giflib-devel | 0:5.1.4-4.el8_10 |
| Red Hat Enterprise Linux 8 | giflib-utils-debuginfo | 0:5.1.4-4.el8_10 |
| Red Hat Enterprise Linux 9 | giflib | 0:5.2.1-9.el9_7.1 |
| Red Hat Enterprise Linux 9 | giflib | 0:5.2.1-10.el9_8.1 |
| Red Hat Enterprise Linux 9 | giflib-debuginfo | 0:5.2.1-10.el9_8.1 |
| Red Hat Enterprise Linux 9 | giflib-debuginfo | 0:5.2.1-9.el9_7.1 |
| Red Hat Enterprise Linux 9 | giflib-debugsource | 0:5.2.1-9.el9_7.1 |
| Red Hat Enterprise Linux 9 | giflib-debugsource | 0:5.2.1-10.el9_8.1 |
| Red Hat Enterprise Linux 9 | giflib-devel | 0:5.2.1-10.el9_8.1 |
| Red Hat Enterprise Linux 9 | giflib-devel | 0:5.2.1-9.el9_7.1 |
| Red Hat Enterprise Linux 9 | giflib-utils-debuginfo | 0:5.2.1-9.el9_7.1 |
| Red Hat Enterprise Linux 9 | giflib-utils-debuginfo | 0:5.2.1-10.el9_8.1 |
| Red Hat Enterprise Linux eus 10.0 | giflib | 0:5.2.1-22.el10_0.1 |
| Red Hat Enterprise Linux eus 10.0 | giflib-debuginfo | 0:5.2.1-22.el10_0.1 |
| Red Hat Enterprise Linux eus 10.0 | giflib-debugsource | 0:5.2.1-22.el10_0.1 |
| Red Hat Enterprise Linux eus 10.0 | giflib-devel | 0:5.2.1-22.el10_0.1 |
| Red Hat Enterprise Linux eus 10.0 | giflib-utils-debuginfo | 0:5.2.1-22.el10_0.1 |
| Red Hat rhel aus 8.2 | giflib | 0:5.1.4-3.el8_2.1 |
| Red Hat rhel aus 8.2 | giflib-debuginfo | 0:5.1.4-3.el8_2.1 |
| Red Hat rhel aus 8.2 | giflib-debugsource | 0:5.1.4-3.el8_2.1 |
| Red Hat rhel aus 8.2 | giflib-utils-debuginfo | 0:5.1.4-3.el8_2.1 |
| Red Hat rhel aus 8.4 | giflib | 0:5.1.4-3.el8_4.1 |
| Red Hat rhel aus 8.4 | giflib-debuginfo | 0:5.1.4-3.el8_4.1 |
| Red Hat rhel aus 8.4 | giflib-debugsource | 0:5.1.4-3.el8_4.1 |
| Red Hat rhel aus 8.4 | giflib-utils-debuginfo | 0:5.1.4-3.el8_4.1 |
| Red Hat rhel aus 8.6 | giflib | 0:5.1.4-3.el8_6.1 |
| Red Hat rhel aus 8.6 | giflib-debuginfo | 0:5.1.4-3.el8_6.1 |
| Red Hat rhel aus 8.6 | giflib-debugsource | 0:5.1.4-3.el8_6.1 |
| Red Hat rhel aus 8.6 | giflib-utils-debuginfo | 0:5.1.4-3.el8_6.1 |
| Red Hat rhel e4s 8.6 | giflib | 0:5.1.4-3.el8_6.1 |
| Red Hat rhel e4s 8.6 | giflib-debuginfo | 0:5.1.4-3.el8_6.1 |
| Red Hat rhel e4s 8.6 | giflib-debugsource | 0:5.1.4-3.el8_6.1 |
| Red Hat rhel e4s 8.6 | giflib-utils-debuginfo | 0:5.1.4-3.el8_6.1 |
| Red Hat rhel e4s 8.8 | giflib | 0:5.1.4-3.el8_8.1 |
| Red Hat rhel e4s 8.8 | giflib-debuginfo | 0:5.1.4-3.el8_8.1 |
| Red Hat rhel e4s 8.8 | giflib-debugsource | 0:5.1.4-3.el8_8.1 |
| Red Hat rhel e4s 8.8 | giflib-utils-debuginfo | 0:5.1.4-3.el8_8.1 |
| Red Hat rhel e4s 9.0 | giflib | 0:5.2.1-9.el9_0.1 |
| Red Hat rhel e4s 9.0 | giflib-debuginfo | 0:5.2.1-9.el9_0.1 |
| Red Hat rhel e4s 9.0 | giflib-debugsource | 0:5.2.1-9.el9_0.1 |
| Red Hat rhel e4s 9.0 | giflib-utils-debuginfo | 0:5.2.1-9.el9_0.1 |
| Red Hat rhel e4s 9.2 | giflib | 0:5.2.1-9.el9_2.1 |
| Red Hat rhel e4s 9.2 | giflib-debuginfo | 0:5.2.1-9.el9_2.1 |
| Red Hat rhel e4s 9.2 | giflib-debugsource | 0:5.2.1-9.el9_2.1 |
| Red Hat rhel e4s 9.2 | giflib-utils-debuginfo | 0:5.2.1-9.el9_2.1 |
| Red Hat rhel els 7 | giflib | 0:4.1.6-9.el7_9.1 |
| Red Hat rhel els 7 | giflib-debuginfo | 0:4.1.6-9.el7_9.1 |
| Red Hat rhel els 7 | giflib-devel | 0:4.1.6-9.el7_9.1 |
| Red Hat rhel els 7 | giflib-utils | 0:4.1.6-9.el7_9.1 |
| Red Hat rhel eus 9.4 | giflib | 0:5.2.1-9.el9_4.1 |
| Red Hat rhel eus 9.4 | giflib-debuginfo | 0:5.2.1-9.el9_4.1 |
| Red Hat rhel eus 9.4 | giflib-debugsource | 0:5.2.1-9.el9_4.1 |
| Red Hat rhel eus 9.4 | giflib-devel | 0:5.2.1-9.el9_4.1 |
| Red Hat rhel eus 9.4 | giflib-utils-debuginfo | 0:5.2.1-9.el9_4.1 |
| Red Hat rhel eus 9.6 | giflib | 0:5.2.1-9.el9_6.1 |
| Red Hat rhel eus 9.6 | giflib-debuginfo | 0:5.2.1-9.el9_6.1 |
| Red Hat rhel eus 9.6 | giflib-debugsource | 0:5.2.1-9.el9_6.1 |
| Red Hat rhel eus 9.6 | giflib-devel | 0:5.2.1-9.el9_6.1 |
| Red Hat rhel eus 9.6 | giflib-utils-debuginfo | 0:5.2.1-9.el9_6.1 |
| Red Hat rhel eus long life 8.4 | giflib | 0:5.1.4-3.el8_4.1 |
| Red Hat rhel eus long life 8.4 | giflib-debuginfo | 0:5.1.4-3.el8_4.1 |
| Red Hat rhel eus long life 8.4 | giflib-debugsource | 0:5.1.4-3.el8_4.1 |
| Red Hat rhel eus long life 8.4 | giflib-utils-debuginfo | 0:5.1.4-3.el8_4.1 |
| Red Hat rhel tus 8.6 | giflib | 0:5.1.4-3.el8_6.1 |
| Red Hat rhel tus 8.6 | giflib-debuginfo | 0:5.1.4-3.el8_6.1 |
| Red Hat rhel tus 8.6 | giflib-debugsource | 0:5.1.4-3.el8_6.1 |
| Red Hat rhel tus 8.6 | giflib-utils-debuginfo | 0:5.1.4-3.el8_6.1 |
| Red Hat rhel tus 8.8 | giflib | 0:5.1.4-3.el8_8.1 |
| Red Hat rhel tus 8.8 | giflib-debuginfo | 0:5.1.4-3.el8_8.1 |
| Red Hat rhel tus 8.8 | giflib-debugsource | 0:5.1.4-3.el8_8.1 |
| Red Hat rhel tus 8.8 | giflib-utils-debuginfo | 0:5.1.4-3.el8_8.1 |
| Rocky Linux 10 | giflib | 0:5.2.1-22.el10_1.1 |
| Rocky Linux 10 | giflib | 0:5.2.1-24.el10_2 |
| Rocky Linux 8 | giflib | 0:5.1.4-4.el8_10 |
| Rocky Linux 9 | giflib | 0:5.2.1-9.el9_7.1 |
| Rocky Linux 9 | giflib | 0:5.2.1-10.el9_8.1 |
| SUSE Linux Enterprise Module for Basesystem 15 SP7 | giflib | 5.2.2-150000.4.19.1 |
| SUSE Linux Enterprise Server LTSS Extended Security 12 SP5 | giflib | 5.0.6-13.12.1 |
| Ubuntu 20.04 LTS | giflib | no fix |
| Ubuntu 22.04 LTS | giflib | 5.1.9-2ubuntu0.3 |
| Ubuntu 24.04 LTS | giflib | 5.2.2-1ubuntu1.2 |
| Ubuntu 25.10 | giflib | no fix |
| Ubuntu 26.04 LTS | giflib | 5.2.2-1ubuntu3.2 |
| Ubuntu Pro 16.04 LTS | giflib | no fix |
| Ubuntu Pro 18.04 LTS | giflib | no fix |
| openSUSE Leap 15.6 | giflib | 5.2.2-150000.4.19.1 |
| openSUSE Leap 16.0 | giflib | 5.2.2-160000.3.1 |
| openSUSE Tumbleweed | giflib | 5.2.2-3.1 |