driver/subprocs.c in XScreenSaver before 5.34 does not properly perform an internal…
Priority LOW 12CWE-264Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Partial · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-264.
Summary
driver/subprocs.c in XScreenSaver before 5.34 does not properly perform an internal consistency check, which allows physically proximate attackers to bypass the lock screen by hot swapping monitors.
Why it matters now
EPSS 0.00508 43rd 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 · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* | 12.04 | Vulnerable | Canonical |
| cpe:2.3:a:xscreensaver_project:xscreensaver:5.33:*:*:*:*:*:*:* | 5.33 | Vulnerable | Xscreensaver Project |
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* Versions 12.04 Vulnerable ·Canonical
- cpe:2.3:a:xscreensaver_project:xscreensaver:5.33:*:*:*:*:*:*:* Versions 5.33 Vulnerable ·Xscreensaver Project
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2015-8025
- 2026-10-03 Alias added: GHSA-gfx7-7vxh-f4g8
References
Advisory 3
Other 5
- https://www.jwz.org/blog/2015/10/xscreensaver-5-34/
- http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
- [oss-security] 20151025 Re: CVE request: xscreensaver aborts when unpluging second monitor cable when asking password
- [oss-security] 20151029 Re: CVE request: xscreensaver aborts when unpluging second monitor cable when asking password
- https://twitter.com/Thaolia/status/656823859304398848
Sources
- CVE-2015-8025 · CVE Program
- CVE-2015-8025 · NVD
- FIRST EPSS
- GHSA-gfx7-7vxh-f4g8 · GitHub Advisory Database · CC BY 4.0
- CVE-2015-8025 · 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