CVE-2021-35346
CVE-2021-35346 is a critical-severity vulnerability in Tsmuxer Project Tsmuxer with a CVSS 3.x base score of 9.8. 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: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 2% (75th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Tsmuxer Project Tsmuxer
- Published:
- Last modified:
Description
tsMuxer v2.6.16 was discovered to contain a heap-based buffer overflow via the function HevcSpsUnit::short_term_ref_pic_set(int) in hevc.cpp.
Frequently asked questions
- What is CVE-2021-35346?
- tsMuxer v2.6.16 was discovered to contain a heap-based buffer overflow via the function HevcSpsUnit::short_term_ref_pic_set(int) in hevc.cpp.
- How severe is CVE-2021-35346?
- CVE-2021-35346 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-35346 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-35346?
- CVE-2021-35346 affects Tsmuxer Project Tsmuxer. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-35346?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2021-35346 published?
- CVE-2021-35346 was published on 2021-12-03 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:tsmuxer_project:tsmuxer:2.6.16:*:*:*:*:*:*:*
More vulnerabilities in Tsmuxer Project Tsmuxer
- 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-2021-45863 — Medium (CVSS 5.5): tsMuxer git-2678966 was discovered to contain a heap-based buffer overflow via the function HevcUnit::updateBits 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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