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Fencer Intel
high 7.5

CVE-2021-38380 json

Live555 through 1.08 mishandles huge requests for the same MP3 stream, leading to recursion and s stack-based buffer over-read.

published 5y ago modified 4mo ago also EUVD-2021-24833

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 74%
public exploits
0
none known

Summary

Live555 through 1.08 mishandles huge requests for the same MP3 stream, leading to recursion and s stack-based buffer over-read. An attacker can leverage this to launch a DoS attack.

Patch / fix

  • live555 live555 2021.08.04
  • liblivemedia Debian 14 2026.09.23-dfsg-1

debian advisories DEBIAN-CVE-2021-38380

  • live-media Alpine 3.24, Alpine 3.23, Alpine 3.22 +6 more 2022.02.07-r0

alpine advisories ALPINE-CVE-2021-38380

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

Is CVE-2021-38380 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Exploit prediction

1.53% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • lists.live555.com http://lists.live555.com/pipermail/live-devel/2021-August/021954.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness

References

Sources

Fencer Intel 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.