Format string vulnerability in the grant helper (polkit-grant-helper.c) in PolicyKit 0.7…
Priority LOW 22CWE-134Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-134 and the CVSS impact.
Summary
Format string vulnerability in the grant helper (polkit-grant-helper.c) in PolicyKit 0.7 and earlier allows attackers to cause a denial of service (crash) and possibly execute arbitrary code via format strings in a password.
Why it matters now
EPSS 0.00677 52nd percentileScored 2026-11-07
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 · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:freedesktop:policykit:*:*:*:*:*:*:*:* | up to 0.7 | Vulnerable | Freedesktop |
| cpe:2.3:a:freedesktop:policykit:0.6:*:*:*:*:*:*:* | 0.6 | Vulnerable | Freedesktop |
- cpe:2.3:a:freedesktop:policykit:*:*:*:*:*:*:*:* Versions up to 0.7 Vulnerable ·Freedesktop
- cpe:2.3:a:freedesktop:policykit:0.6:*:*:*:*:*:*:* Versions 0.6 Vulnerable ·Freedesktop
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2008-1658
- 2026-10-03 Alias added: GHSA-mw7g-wfcq-49r3
References
More Freedesktop Policykit vulnerabilities
- TI-2010-00717 pkexec.c in pkexec in libpolkit in PolicyKit 0.96 allows local users to determine the… CVSS 2.0LOW 2.1
Sources
- CVE-2008-1658 · CVE Program
- CVE-2008-1658 · NVD
- FIRST EPSS
- GHSA-mw7g-wfcq-49r3 · GitHub Advisory Database · CC BY 4.0
- CVE-2008-1658 · 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