UPX bele.h get_ne64 heap-based overflow
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-122 and the CVSS impact.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | UPX | 4.2.0; 4.2.1; 4.2.2 | — | No fix listed | CNA |
- UPX Vendor— Affected 4.2.0; 4.2.1; 4.2.2 Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:upx:upx:*:*:*:*:*:*:*:* | up to 4.2.2 | Vulnerable | Upx |
| cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* | 38 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:* | 39 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:* | 40 | Vulnerable | Fedoraproject |
- cpe:2.3:a:upx:upx:*:*:*:*:*:*:*:* Versions up to 4.2.2 Vulnerable ·Upx
- cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* Versions 38 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:* Versions 39 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:* Versions 40 Vulnerable ·Fedoraproject
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2024-3209
- 2026-10-03 Alias added: GHSA-97xg-px2h-jvxp
References
Advisory 3
- https://lists.fedoraproject.org/archives/list/[email protected]/message/ZHWZN2NX5W3WYA6ACJ746PAZXXNZETKD/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/J4DNK3AFPT4KIPTBKGCJ6FC3L7AWI2TN/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/AE5OZ7YUEVLXVVS6PFP5RELVICQ4K6QK/
Sources
- CVE-2024-3209 · CVE Program
- CVE-2024-3209 · NVD
- FIRST EPSS
- GHSA-97xg-px2h-jvxp · GitHub Advisory Database · CC BY 4.0
- CVE-2024-3209 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences