VDB
CVE-2020-27799
CVE-2020-27799
PUBLISHED
A heap-based buffer over-read was discovered in the acc_ua_get_be32 function in miniacc.h in UPX 4.0.0 via a crafted Mach-O file.
EPSS 0.14% · 33.2th percentile
Risk Scores
EPSS Score
0.14%
33.2th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:20.04:LTS | upx-ucl | 0, 3.95-2, 3.95-2build1 |
| Ubuntu:22.04:LTS | upx-ucl | 0, 3.96-2, 3.96-3 |
| Ubuntu:25.10 | upx-ucl | 4.2.4-1, 0, 4.2.4-1.1 |
| Ubuntu:24.04:LTS | upx-ucl | 0, 3.96-3, 4.2.2-3 |
Timeline
- Aug 25, 2022 CVE Published
- Aug 26, 2022 EPSS Score
- Oct 11, 2022 EPSS Score
- Nov 25, 2022 EPSS Score
- Jan 10, 2023 EPSS Score
- Feb 24, 2023 EPSS Score
- Mar 7, 2023 EPSS Score
- Apr 11, 2023 EPSS Score
- May 26, 2023 EPSS Score
- Jul 11, 2023 EPSS Score
- Aug 25, 2023 EPSS Score
- Oct 10, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-27799 third-party-advisory
- https://github.com/upx/upx/issues/391 third-party-advisory
- https://github.com/upx/upx/commit/8764fdc24c31c21dc43b2a2f99eb8c48a34e5e9c third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-27799 third-party-advisory