VDB
CVE-2021-30501
CVE-2021-30501
PUBLISHED
An assertion abort was found in upx MemBuffer::alloc() in mem.cpp, in version UPX 4.0.0. The flow allows attackers to cause a denial of service (abort) via a crafted file.
EPSS 0.20% · 42.5th percentile
Risk Scores
EPSS Score
0.20%
42.5th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:22.04:LTS | upx-ucl | 3.96-3, 3.96-2, 0 |
| Ubuntu:16.04:LTS | upx-ucl | 3.91-1, 0 |
| Ubuntu:18.04:LTS | upx-ucl | 3.94-4, 3.94-3, 3.94-2 |
| Ubuntu:25.10 | upx-ucl | 0, 4.2.4-1, 4.2.4-1.1 |
| Ubuntu:20.04:LTS | upx-ucl | 0, 3.95-2, 3.95-2build1 |
| Ubuntu:24.04:LTS | upx-ucl | 4.2.2-3, 3.96-3, 0 |
Timeline
- May 26, 2021 CVE Published
- May 27, 2021 EPSS Score
- Jul 29, 2021 EPSS Score
- Sep 28, 2021 EPSS Score
- Nov 29, 2021 EPSS Score
- Jan 29, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 31, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 31, 2022 EPSS Score
- Aug 1, 2022 EPSS Score
- Oct 1, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-30501 third-party-advisory
- https://github.com/upx/upx/issues/486 third-party-advisory
- https://github.com/upx/upx/pull/487 third-party-advisory
- https://github.com/upx/upx/commit/28e761cd42211dfe0124b7a29b2f74730f453e46 third-party-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1948696 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-30501 third-party-advisory