CVE-2021-38381 json
Live555 through 1.08 does not handle MPEG-1 or 2 files properly.
published 2021-08-10 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-24834
- cvss
- 6.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 68%
- public exploits
- 0
- none known
Summary
Live555 through 1.08 does not handle MPEG-1 or 2 files properly. Sending two successive RTSP SETUP commands for the same track causes a Use-After-Free and daemon crash.
Patch / fix
- live555 live555 2021.08.09
- liblivemedia Debian 14 2026.09.23-dfsg-1
debian advisories DEBIAN-CVE-2021-38381
- live-media Alpine 3.24, Alpine 3.23, Alpine 3.22 +6 more 2022.02.07-r0
alpine advisories ALPINE-CVE-2021-38381
Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- live-media Arch Linux 2021.08.09-1
arch linux advisories AVG-2276
Exploit prediction
1.19% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- lists.live555.com http://lists.live555.com/pipermail/live-devel/2021-August/021961.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-416 Use After Free
References
-
lists.live555.com
/pipermail/live-devel/2021-August/021961.html
exploit, mailing-list, vendor-advisory
- live555.com /liveMedia/public/changelog.txt#%5B2021.08.09%5D
Sources
- CVE List CVE-2021-38381
- NVD CVE-2021-38381
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.