VDB
CVE-2021-3403
CVE-2021-3403
PUBLISHED
CVSS 7.800000190734863 HIGH
In ytnef 1.9.3, the TNEFSubjectHandler function in lib/ytnef.c allows remote attackers to cause a denial-of-service (and potentially code execution) due to a double free which can be triggered via a crafted file.
EPSS 1.75% · 77.7th percentile
Risk Scores
CVSS 3.1
7.800000190734863
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score
1.75%
77.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:24.04:LTS | libytnef | 2.1.2-1, 2.1.2-1build1, 0 |
| Ubuntu:25.10 | libytnef | 2.1.2-1build1, 0 |
| Ubuntu:18.04:LTS | libytnef | 0, 1.9.2-2 |
| Ubuntu:20.04:LTS | libytnef | 1.9.3-1, 0 |
| Ubuntu:16.04:LTS | libytnef | 1.5-6, 1.5-9ubuntu0.1, 1.5-9 |
| Ubuntu:22.04:LTS | libytnef | 0, 1.9.3-3, 2.0-1 |
Timeline
- Mar 4, 2021 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Oct 27, 2021 EPSS Score
- Dec 30, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 5, 2022 EPSS Score
- Jul 7, 2022 EPSS Score
- Sep 9, 2022 EPSS Score
- Jan 13, 2023 EPSS Score
References
- https://www.cve.org/CVERecord?id=CVE-2021-3403 third-party-advisory
- https://ubuntu.com/security/CVE-2021-3403 advisory
- https://github.com/Yeraze/ytnef/issues/85 discussion