Description
A vulnerability classified as problematic has been found in MediaArea ZenLib up to 0.4.38. This affects the function Ztring::Date_From_Seconds_1970_Local of the file Source/ZenLib/Ztring.cpp. The manipulation of the argument Value leads to unchecked return value to null pointer dereference. Upgrading to version 0.4.39 is able to address this issue. The identifier of the patch is 6475fcccd37c9cf17e0cfe263b5fe0e2e47a8408. It is recommended to upgrade the affected component. The identifier VDB-217629 was assigned to this vulnerability.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| MediaArea | ZenLib | 0.4.0, 0.4.1, 0.4.2, 0.4.3, 0.4.4, 0.4.5, 0.4.6, 0.4.7, 0.4.8, 0.4.9, 0.4.10, 0.4.11, 0.4.12, 0.4.13, 0.4.14, 0.4.15, 0.4.16, 0.4.17, 0.4.18, 0.4.19, 0.4.20, 0.4.21, 0.4.22, 0.4.23, 0.4.24, 0.4.25, 0.4.26, 0.4.27, 0.4.28, 0.4.29, 0.4.30, 0.4.31, 0.4.32, 0.4.33, 0.4.34, 0.4.35, 0.4.36, 0.4.37, 0.4.38 | — |
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 | libzen | 0.4.39-1 | — |
| Debian 13 | libzen | 0.4.39-1 | — |
| Debian 12 | libzen | 0.4.39-1 | — |
| Debian 10 | libzen | 0.4.37-1+deb10u1 | DLA-3290-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | libzen | 0.4.37-1ubuntu0.20.04.1 | USN-6048-1 |
| Ubuntu 18.04 LTS | libzen | 0.4.37-1ubuntu0.18.04.1 | USN-6048-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | libzen | 0.4.32-1ubuntu0.16.04.1+esm1 | USN-6048-1 |
| Ubuntu Pro 14.04 LTS | libzen | 0.4.29-1ubuntu0.1~esm1 | USN-6048-1 |
Advisories 2
- USN-6048-1 ZenLib vulnerability Ubuntu Security Notices (USN) · Jun 29, 2026
- DLA-3290-1 libzen - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- https://vuldb.com/?id.217629 vdb-entry technical-description
- https://vuldb.com/?ctiid.217629 signature permissions-required
- https://github.com/MediaArea/ZenLib/pull/119 issue-tracking
- https://github.com/MediaArea/ZenLib/commit/6475fcccd37c9cf17e0cfe263b5fe0e2e47a8408 patch
- https://github.com/MediaArea/ZenLib/releases/tag/v0.4.39 patch