NULL pointer dereference in Upx
CVE-2021-30500
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.
EPSS: 0.012 (65.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Upx — versions 4.0.0
- Fedoraproject Fedora — versions 33
- Redhat Enterprise_linux — versions 7.0
- N/a Upx — versions upx 4.0
Weakness classification (CWE)
References
- secalert@redhat.com (Third Party Advisory, x_refsource_MISC, Issue Tracking)
- secalert@redhat.com (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-30500?
- CVE-2021-30500 is a high-severity vulnerability in Upx, classified under NULL Pointer Dereference. CVSS score: 7.8/10. Published 2021-05-27.
- How severe is CVE-2021-30500?
- High severity. CVSS v3 base score is 7.8 out of 10.