CVE-2020-27799

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

A heap-based buffer over-read was discovered in the acc_ua_get_be32 function in miniacc.h in UPX 4.0.0 via a crafted Mach-O file.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-119CWE-125

Affected software

No affected versions have been published.

Timeline

Published
Aug 25, 2022
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2020

CVE-2020-27806.5Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DML). Supported versions that are affected are 5.6.47 and prioCVE-2020-278007.8A heap-based buffer over-read was discovered in the get_le32 function in bele.h in UPX 4.0.0 via a crafted Mach-O file.CVE-2020-278017.8A heap-based buffer over-read was discovered in the get_le64 function in bele.h in UPX 4.0.0 via a crafted Mach-O file.CVE-2020-278025.5An floating point exception was discovered in the elf_lookup function in p_lx_elf.cpp in UPX 4.0.0 via a crafted Mach-O file.CVE-2020-27815.3Vulnerability in the Java SE, Java SE Embedded product of Oracle Java SE (component: JSSE). Supported versions that are affected are Java SECVE-2020-278137.5An integer overflow vulnerability exists with the length of websocket frames received via a websocket connection. An attacker would use thisCVE-2020-278147.8A heap-buffer overflow was found in the way openjpeg2 handled certain PNG format files. An attacker could use this flaw to cause an applicatCVE-2020-278157.8A flaw was found in the JFS filesystem code in the Linux Kernel which allows a local attacker with the ability to set extended attributes toCVE-2020-278166.1The elasticsearch-operator does not validate the namespace where kibana logging resource is created and due to that it is possible to replacCVE-2020-278183.3A flaw was found in the check_chunk_name() function of pngcheck-2.4.0. An attacker able to pass a malicious file to be processed by pngcheckCVE-2020-278195.5An issue was discovered in libxls before and including 1.6.1 when reading Microsoft Excel files. A NULL pointer dereference vulnerability exCVE-2020-27827.1Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: Query). Supported versions that are affected
CVE-2020-27799: High severity, CVSS 7.8 | Vulnix