CVEvulnerability
CVE-2021-30501
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-05-27
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-20, CWE-617
Description
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.
Affected configurations
• upx upx 4.0.0
• redhat enterprise linux 7.0
• fedoraproject fedora 33
Related
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1948696 Issue Tracking, Patch, Third Party Advisory
- https://github.com/upx/upx/commit/28e761cd42211dfe0124b7a29b2f74730f453e46 Patch, Third Party Advisory
- https://github.com/upx/upx/issues/486 Exploit, Issue Tracking, Third Party Advisory
- https://github.com/upx/upx/pull/487 Exploit, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1948696 Issue Tracking, Patch, Third Party Advisory
- https://github.com/upx/upx/commit/28e761cd42211dfe0124b7a29b2f74730f453e46 Patch, Third Party Advisory
- https://github.com/upx/upx/issues/486 Exploit, Issue Tracking, Third Party Advisory
- https://github.com/upx/upx/pull/487 Exploit, Patch, Third Party Advisory