VDB
CVE-2021-3405
CVE-2021-3405
PUBLISHED
CVSS 6.5 MEDIUM
A flaw was found in libebml before 1.4.2. A heap overflow bug exists in the implementation of EbmlString::ReadData and EbmlUnicodeString::ReadData in libebml.
EPSS 1.74% · 76.1th percentile
Risk Scores
CVSS 3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS Score
1.74%
76.1th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:16.04:LTS | libebml | 0, 1.3.3-1ubuntu0.1, 1.3.3-1 |
| Ubuntu:24.04:LTS | libebml | 1.4.4-1, 0, 1.4.5-1 |
| Ubuntu:22.04:LTS | libebml | 1.4.2-2, 1.4.2-1, 0 |
| Ubuntu:25.10 | libebml | 0, 1.4.5-1 |
Timeline
- Feb 23, 2021 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Dec 28, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 28, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 2, 2022 EPSS Score
- Sep 6, 2022 EPSS Score
- Nov 7, 2022 EPSS Score
- Jan 9, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-3405 third-party-advisory
- https://github.com/Matroska-Org/libebml/issues/74 third-party-advisory
- https://github.com/Matroska-Org/libebml/pull/76 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-3405 third-party-advisory