A floating-point exception was discovered in PackLinuxElf::elf_hash in p_lx_elf.cpp in…
Priority LOW 27CWE-682Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
A floating-point exception was discovered in PackLinuxElf::elf_hash in p_lx_elf.cpp in UPX 3.95. The vulnerability causes an application crash, which leads to denial of service.
Why it matters now
EPSS 0.00898 59th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:upx:upx:3.95:*:*:*:*:*:*:* | 3.95 | Vulnerable | Upx |
| cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* | 30 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* | 31 | Vulnerable | Fedoraproject |
- cpe:2.3:a:upx:upx:3.95:*:*:*:*:*:*:* Versions 3.95 Vulnerable ·Upx
- cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* Versions 30 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* Versions 31 Vulnerable ·Fedoraproject
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2019-20051
- 2026-10-03 Alias added: GHSA-4pmq-77vh-vh7v
References
Sources
- CVE-2019-20051 · CVE Program
- CVE-2019-20051 · NVD
- FIRST EPSS
- GHSA-4pmq-77vh-vh7v · GitHub Advisory Database · CC BY 4.0
- CVE-2019-20051 · Red Hat security data · CC BY 4.0
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