libalpm, as used in pacman 5.0.1, allows remote attackers to cause a denial of service…
Priority LOW 28CWE-125Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.
Summary
libalpm, as used in pacman 5.0.1, allows remote attackers to cause a denial of service (infinite loop or out-of-bounds read) via a crafted signature file.
Why it matters now
EPSS 0.01476 74th percentileScored 2026-11-07
Public exploit Yes 3 exploit referencesTagged 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 · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:pacman_project:pacman:5.0.1:*:*:*:*:*:*:* | 5.0.1 | Vulnerable | Pacman Project |
- cpe:2.3:a:pacman_project:pacman:5.0.1:*:*:*:*:*:*:* Versions 5.0.1 Vulnerable ·Pacman Project
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2016-5434
- 2026-10-03 Alias added: GHSA-v32h-74vr-6p8q
References
Exploit 3
More Pacman Project Pacman vulnerabilities
- TI-2019-13205 pacman before 5.2 is vulnerable to arbitrary command injection in lib/libalpm/sync.c in… CVSS 3.1CRITICAL 9.8
- TI-2019-13204 pacman before 5.2 is vulnerable to arbitrary command injection in conf.c in the… CVSS 3.1CRITICAL 9.8
- TI-2019-07087 pacman before 5.1.3 allows directory traversal when installing a remote package via a… CVSS 3.1HIGH 8.8
Sources
- CVE-2016-5434 · CVE Program
- CVE-2016-5434 · NVD
- FIRST EPSS
- GHSA-v32h-74vr-6p8q · GitHub Advisory Database · CC BY 4.0
- CVE-2016-5434 · 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