CVE-2021-45863
CVE-2021-45863 is a medium-severity vulnerability in Tsmuxer Project Tsmuxer with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- CVSS v2: 4.3
- EPSS exploit prediction: 1% (49th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Tsmuxer Project Tsmuxer
- Published:
- Last modified:
Description
tsMuxer git-2678966 was discovered to contain a heap-based buffer overflow via the function HevcUnit::updateBits in hevc.cpp.
Frequently asked questions
- What is CVE-2021-45863?
- tsMuxer git-2678966 was discovered to contain a heap-based buffer overflow via the function HevcUnit::updateBits in hevc.cpp.
- How severe is CVE-2021-45863?
- CVE-2021-45863 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2021-45863 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-45863?
- CVE-2021-45863 affects Tsmuxer Project Tsmuxer. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-45863?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-45863 published?
- CVE-2021-45863 was published on 2022-03-02 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:tsmuxer_project:tsmuxer:*:*:*:*:*:*:*:*
More vulnerabilities in Tsmuxer Project Tsmuxer
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- CVE-2021-35344 — Critical (CVSS 9.8): tsMuxer v2.6.16 was discovered to contain a heap-based buffer overflow via the function BitStreamReader::getCurVal in…
- CVE-2022-43152 — Medium (CVSS 5.5): tsMuxer v2.6.16 was discovered to contain a heap overflow via the function BitStreamWriter::flushBits() at…
- CVE-2021-45864 — Medium (CVSS 5.5): tsMuxer git-c6a0277 was discovered to contain a segmentation fault via DTSStreamReader::findFrame in…
- CVE-2021-45861 — Medium (CVSS 5.5): There is an Assertion `num <= INT_BIT' failed at BitStreamReader::skipBits in /bitStream.h:132 of tsMuxer git-c6a0277.
- CVE-2021-45860 — Medium (CVSS 5.5): An integer overflow in DTSStreamReader::findFrame() of tsMuxer git-2678966 allows attackers to cause a Denial of…
All CVEs affecting Tsmuxer Project Tsmuxer →
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