Buffer overflow in Upx
CVE-2019-20053
An invalid memory address dereference was discovered in the canUnpack function in p_mach.cpp in UPX 3.95 via a crafted Mach-O file.
Vulnerability class: Buffer Overflow
EPSS: 0.012 (65.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
Affected products
- Upx — versions 3.95
- Opensuse Backports — versions sle-15
- Opensuse Leap — versions 15.1
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- cve@mitre.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
Frequently asked questions
- What is CVE-2019-20053?
- CVE-2019-20053 is a medium-severity vulnerability in Upx, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.5/10. Published 2019-12-27.
- How severe is CVE-2019-20053?
- Medium severity. CVSS v3 base score is 5.5 out of 10.