Integer overflow in Upx

CVE-2019-14295

An Integer overflow in the getElfSections function in p_vmlinx.cpp in UPX 3.95 allows remote attackers to cause a denial of service (crash) via a skewed offset larger than the size of the PE section in a UPX packed executable, which triggers an allocation of excessive memory.

Vulnerability class: Integer Overflow

EPSS: 0.015 (71.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

  • Upx — versions 3.95
  • N/a — versions n/a

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-14295?
CVE-2019-14295 is a medium-severity vulnerability in Upx, classified under Integer Overflow or Wraparound. CVSS score: 5.5/10. Published 2019-07-27.
How severe is CVE-2019-14295?
Medium severity. CVSS v3 base score is 5.5 out of 10.