VULNERABILITY INTELLIGENCE

CVE-2020-27788

CVSS score5.5 MEDIUM

EPSS probability0.33%

CISA KEVNot currently listed

Published2022-08-18

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Description

An out-of-bounds read access vulnerability was discovered in UPX in PackLinuxElf64::canPack() function of p_lx_elf.cpp file. An attacker with a crafted input file could trigger this issue that could cause a crash leading to a denial of service.

Weakness classification

secalert@redhat.com: CWE-125
nvd@nist.gov: CWE-125

Primary references

secalert@redhat.com — Patch, Third Party Advisory
secalert@redhat.com — Exploit, Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Patch, Third Party Advisory