Description
An issue was discovered in Exempi through 2.4.4. XMPFiles/source/FormatSupport/WEBP_Support.cpp does not check whether a bitstream has a NULL value, leading to a NULL pointer dereference in the WEBP::VP8XChunk class.
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 | exempi | 2.4.5-1 | — |
| Debian 13 | exempi | 2.4.5-1 | — |
| Debian 12 | exempi | 2.4.5-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | exempi | 2.2.2-2ubuntu0.1 | USN-3668-1 |
| Ubuntu 14.04 LTS | exempi | 2.2.1-1ubuntu1.1 | USN-3668-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | exempi | 2.5.2-1.3 | openSUSE-SU-2024:10745-1 |
Advisories 2
- USN-3668-1 exempi vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- openSUSE-SU-2024:10745-1 exempi-tools-2.5.2-1.3 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026