CVEvulnerability
CVE-2021-30500
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-05-27
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-476
Description
Null pointer dereference was found in upx PackLinuxElf::canUnpack() in p_lx_elf.cpp,in version UPX 4.0.0. That allow attackers to execute arbitrary code and cause a denial of service via a crafted file.
Affected configurations
• upx upx 4.0.0
• redhat enterprise linux 7.0
• fedoraproject fedora 33
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1948692 Issue Tracking, Third Party Advisory
- https://github.com/upx/upx/commit/90279abdfcd235172eab99651043051188938dcc Patch, Third Party Advisory
- https://github.com/upx/upx/issues/485 Exploit, Issue Tracking, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1948692 Issue Tracking, Third Party Advisory
- https://github.com/upx/upx/commit/90279abdfcd235172eab99651043051188938dcc Patch, Third Party Advisory
- https://github.com/upx/upx/issues/485 Exploit, Issue Tracking, Third Party Advisory