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Vulnerability · Published Apr 2, 2024 · Assigned by VulDB

CVE-2024-3209UPX bele.h get_ne64 heap-based overflow

Medium 5.5

In plain English

A medium-severity heap buffer overflow in UPX. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 69% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)1.2%top 31.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A vulnerability was found in UPX up to 4.2.2. It has been rated as critical. This issue affects the function get_ne64 of the file bele.h. The manipulation leads to heap-based buffer overflow. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-259055. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:13upx-ucl4.2.4-1DEBIAN-CVE-2024-3209
Debian:14upx-ucl4.2.4-1DEBIAN-CVE-2024-3209
Ubuntu:22.04:LTSupx-uclno fix listedUBUNTU-CVE-2024-3209
Ubuntu:24.04:LTSupx-uclno fix listedUBUNTU-CVE-2024-3209
Ubuntu:25.10upx-uclno fix listedUBUNTU-CVE-2024-3209
Ubuntu:26.04:LTSupx-uclno fix listedUBUNTU-CVE-2024-3209
Ubuntu:26.10upx-uclno fix listedUBUNTU-CVE-2024-3209

Affected products (as reported)

VendorProductVersions
n/a UPX 4.2.04.2.14.2.2

Weakness: CWE-122 · Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

References