
CVE catalog
CVE-2021-40563
UBUNTU-CVE-2021-40563
- Severity
- Unknown
- Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 0.85% · Oct 25, 2026
A Segmentation fault exists casued by null pointer dereference exists in Gpac through 1.0.1 via the naludmx_create_avc_decoder_config function in reframe_nalu.c when using mp4box, which causes a denial of service.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | gpac | 11 | 1.0.1+dfsg1-4 | vulnerable |
| Debian | gpac | 11 | 1.0.1+dfsg1-4+deb11u1 | vulnerable |
| Debian | gpac | 11 | 1.0.1+dfsg1-4+deb11u2 | fixed |
| Ubuntu | gpac | pro | 2.2.1+dfsg1-3 | vulnerable |
| Ubuntu | gpac | pro | 2.2.1+dfsg1-3.1 | vulnerable |
| Ubuntu | gpac | pro | 2.2.1+dfsg1-3.1build1 | vulnerable |
| Ubuntu | gpac | pro | 2.2.1+dfsg1-3.1build2 | vulnerable |
| Ubuntu | gpac | pro | 2.2.1+dfsg1-3.1ubuntu0.1~esm2 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | gpac | deb | 11 | 1.0.1+dfsg1-4+deb11u2 | Not reported | DEBIAN-CVE-2021-40563 | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed: