CVE-2021-45864: tsMuxer git-c6a0277 was discovered to contain a segmentation fault via DTSStreamReader::findFrame in dtsStream

Q: How do I fix CVE-2021-45864?

tsmuxer: upgrade to 2021-10-19. Exact commands for each OS are on this page.

Q: Is CVE-2021-45864 being exploited?

CVE-2021-45864 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-45864 affect?

CVE-2021-45864 affects tsmuxer. Severity is medium (CVSS 5.5). tsMuxer git-c6a0277 was discovered to contain a segmentation fault via DTSStreamReader::findFrame in dtsStreamReader.cpp.

Q: How urgent is CVE-2021-45864?

Priority 37/100. Public exploit reference

Routine

MEDIUM 5.5UPGRADE

CVE-2021-45864 is a medium-severity flaw (CVSS 5.5) affecting tsmuxer. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

tsMuxer git-c6a0277 was discovered to contain a segmentation fault via DTSStreamReader::findFrame in dtsStreamReader.cpp.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.7% (top 48%)
CISA exploited list	No
Weakness	CWE-125
Published	2022-03-02
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: tsmuxer project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-03-02 00:15 UTCPublished CVE record published
2026-06-17 04:14 UTCUpdated Record last modified

tsmuxer project tsmuxer UPGRADE

Affected: < 2021-10-19

Fixed in: 2021-10-19

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy tsmuxer || rpm -q tsmuxer || tsmuxer --version

2. UPGRADE to 2021-10-19 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade tsmuxer

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade tsmuxer

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-45864?

tsmuxer: upgrade to 2021-10-19. Exact commands for each OS are on this page.

Is CVE-2021-45864 being exploited?

CVE-2021-45864 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-45864 affect?

CVE-2021-45864 affects tsmuxer. Severity is medium (CVSS 5.5). tsMuxer git-c6a0277 was discovered to contain a segmentation fault via DTSStreamReader::findFrame in dtsStreamReader.cpp.

How urgent is CVE-2021-45864?

Priority 37/100. Public exploit reference

Software pages

Git vulnerabilities

Related CVEs

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CVE-2024-49777 HIGH 8.8 DOWNGRADE A heap-based buffer overflow in tsMuxer version nightly-2024-03-14-01-51-12 allows attackers to cause Denial o
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References

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