Description
An issue was discovered in gThumb through 3.6.2. There is a double-free vulnerability in the add_themes_from_dir method in dlg-contact-sheet.c because of two successive calls of g_free, each of which frees the same buffer.
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 | gthumb | 3:3.6.2-2 | — |
| Debian 13 | gthumb | 3:3.6.2-2 | — |
| Debian 12 | gthumb | 3:3.6.2-2 | — |
| Debian 8 | gthumb | 3:3.3.1-2.1+deb8u1 | DLA-1567-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | gthumb | 3:3.6.1-1ubuntu0.1~esm1 | USN-5681-1 |
| Ubuntu Pro 16.04 LTS | gthumb | 3:3.4.3-1ubuntu0.1~esm1 | USN-5681-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Package Hub 15 | gthumb | 3.6.1-bp150.2.3.1 | openSUSE-SU-2019:0022-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | gthumb | 3.12.0-3.1 | openSUSE-SU-2024:10832-1 |
| openSUSE Leap 15.0 | gthumb | 3.6.1-bp150.2.3.1 | openSUSE-SU-2019:0022-1 |
Advisories 4
- USN-5681-1 gThumb vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- DLA-1567-1 gthumb - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2019:0022-1 Security update for gthumb SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10832-1 gthumb-3.12.0-3.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026