VDB
CVE-2021-33455
CVE-2021-33455
PUBLISHED
An issue was discovered in yasm version 1.3.0. There is a NULL pointer dereference in do_directive() in modules/preprocs/nasm/nasm-pp.c.
EPSS 0.14% · 33.5th percentile
Risk Scores
EPSS Score
0.14%
33.5th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:25.10 | yasm | 1.3.0-5, 0, 1.3.0-7 |
| Ubuntu:16.04:LTS | yasm | 1.3.0-2, 0 |
| Ubuntu:24.04:LTS | yasm | 0, 1.3.0-4 |
| Ubuntu:22.04:LTS | yasm | 1.3.0-2.1, 0 |
| Ubuntu:18.04:LTS | yasm | 1.3.0-2build1, 0, 1.3.0-2 |
| Ubuntu:20.04:LTS | yasm | 1.3.0-2ubuntu1, 0, 1.3.0-2build1 |
Exploit Intelligence
Timeline
- Jul 26, 2022 CVE Published
- Jul 27, 2022 EPSS Score
- Jul 29, 2022 CVE Updated
- Sep 12, 2022 EPSS Score
- Oct 28, 2022 EPSS Score
- Dec 14, 2022 EPSS Score
- Jan 30, 2023 EPSS Score
- Mar 7, 2023 EPSS Score
- Mar 17, 2023 EPSS Score
- May 3, 2023 EPSS Score
- Jun 19, 2023 EPSS Score
- Aug 4, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-33455 third-party-advisory
- https://github.com/yasm/yasm/issues/169 third-party-advisory
- https://gist.github.com/Clingto/bb632c0c463f4b2c97e4f65f751c5e6d third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-33455 third-party-advisory