The catchsegv script in glibc 2.3.2 and earlier allows local users to overwrite files via…
Priority LOW 11Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · Partial · None
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
The catchsegv script in glibc 2.3.2 and earlier allows local users to overwrite files via a symlink attack on temporary files.
Why it matters now
EPSS 0.00394 33rd percentileScored 2026-11-07
Fix Fixed Red Hat: 2 advisories
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 · 30
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:gnu:glibc:2.0:*:*:*:*:*:*:* | 2.0 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.0.1:*:*:*:*:*:*:* | 2.0.1 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.0.2:*:*:*:*:*:*:* | 2.0.2 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.0.3:*:*:*:*:*:*:* | 2.0.3 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.0.4:*:*:*:*:*:*:* | 2.0.4 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.0.5:*:*:*:*:*:*:* | 2.0.5 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.0.6:*:*:*:*:*:*:* | 2.0.6 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.1:*:*:*:*:*:*:* | 2.1 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.1.1:*:*:*:*:*:*:* | 2.1.1 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.1.1.6:*:*:*:*:*:*:* | 2.1.1.6 | Vulnerable | GNU |
- cpe:2.3:a:gnu:glibc:2.0:*:*:*:*:*:*:* Versions 2.0 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.0.1:*:*:*:*:*:*:* Versions 2.0.1 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.0.2:*:*:*:*:*:*:* Versions 2.0.2 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.0.3:*:*:*:*:*:*:* Versions 2.0.3 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.0.4:*:*:*:*:*:*:* Versions 2.0.4 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.0.5:*:*:*:*:*:*:* Versions 2.0.5 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.0.6:*:*:*:*:*:*:* Versions 2.0.6 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.1:*:*:*:*:*:*:* Versions 2.1 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.1.1:*:*:*:*:*:*:* Versions 2.1.1 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.1.1.6:*:*:*:*:*:*:* Versions 2.1.1.6 Vulnerable ·GNU
Show 20 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:gnu:glibc:2.1.2:*:*:*:*:*:*:* | 2.1.2 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.1.3:*:*:*:*:*:*:* | 2.1.3 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.1.3.10:*:*:*:*:*:*:* | 2.1.3.10 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.1.9:*:*:*:*:*:*:* | 2.1.9 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.2:*:*:*:*:*:*:* | 2.2 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.2.1:*:*:*:*:*:*:* | 2.2.1 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.2.2:*:*:*:*:*:*:* | 2.2.2 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.2.3:*:*:*:*:*:*:* | 2.2.3 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.2.4:*:*:*:*:*:*:* | 2.2.4 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.2.5:*:*:*:*:*:*:* | 2.2.5 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.3:*:*:*:*:*:*:* | 2.3 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.3.1:*:*:*:*:*:*:* | 2.3.1 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.3.2:*:*:*:*:*:*:* | 2.3.2 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.3.3:*:*:*:*:*:*:* | 2.3.3 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.3.4:*:*:*:*:*:*:* | 2.3.4 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.3.10:*:*:*:*:*:*:* | 2.3.10 | Vulnerable | GNU |
| cpe:2.3:o:redhat:enterprise_linux:3.0:*:advanced_server:*:*:*:*:* | 3.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:3.0:*:enterprise_server:*:*:*:*:* | 3.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:3.0:*:workstation_server:*:*:*:*:* | 3.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_desktop:3.0:*:*:*:*:*:*:* | 3.0 | Vulnerable | Red Hat |
- cpe:2.3:a:gnu:glibc:2.1.2:*:*:*:*:*:*:* Versions 2.1.2 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.1.3:*:*:*:*:*:*:* Versions 2.1.3 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.1.3.10:*:*:*:*:*:*:* Versions 2.1.3.10 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.1.9:*:*:*:*:*:*:* Versions 2.1.9 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.2:*:*:*:*:*:*:* Versions 2.2 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.2.1:*:*:*:*:*:*:* Versions 2.2.1 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.2.2:*:*:*:*:*:*:* Versions 2.2.2 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.2.3:*:*:*:*:*:*:* Versions 2.2.3 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.2.4:*:*:*:*:*:*:* Versions 2.2.4 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.2.5:*:*:*:*:*:*:* Versions 2.2.5 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.3:*:*:*:*:*:*:* Versions 2.3 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.3.1:*:*:*:*:*:*:* Versions 2.3.1 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.3.2:*:*:*:*:*:*:* Versions 2.3.2 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.3.3:*:*:*:*:*:*:* Versions 2.3.3 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.3.4:*:*:*:*:*:*:* Versions 2.3.4 Vulnerable ·GNU
- cpe:2.3:a:gnu:glibc:2.3.10:*:*:*:*:*:*:* Versions 2.3.10 Vulnerable ·GNU
- cpe:2.3:o:redhat:enterprise_linux:3.0:*:advanced_server:*:*:*:*:* Versions 3.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:3.0:*:enterprise_server:*:*:*:*:* Versions 3.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:3.0:*:workstation_server:*:*:*:*:* Versions 3.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_desktop:3.0:*:*:*:*:*:*:* Versions 3.0 Vulnerable ·Red Hat
Remediation
Red Hat 2 advisories
- RHSA-2005:261 Released 2005-04-28 · Red Hat rating Lowglibc security update
- Red Hat Enterprise Linux AS (Advanced Server) version 2.1
- Red Hat Enterprise Linux ES version 2.1
- Red Hat Enterprise Linux WS version 2.1
- Red Hat Linux Advanced Workstation 2.1
- RHSA-2004:586 Released 2004-12-20 · Red Hat rating Lowglibc security update
- Red Hat Desktop version 3 glibc-2.3.2-95.30, glibc-2.3.2-95.30.i386, glibc-common-2.3.2-95.30 +12
- Red Hat Enterprise Linux AS version 3 glibc-2.3.2-95.30, glibc-2.3.2-95.30.i386, glibc-2.3.2-95.30.ia64 +28
- Red Hat Enterprise Linux ES version 3 glibc-2.3.2-95.30, glibc-2.3.2-95.30.i386, glibc-2.3.2-95.30.ia64 +20
- Red Hat Enterprise Linux WS version 3 glibc-2.3.2-95.30, glibc-2.3.2-95.30.i386, glibc-2.3.2-95.30.ia64 +20
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Desktop version 3 | Fixed | RHSA-2004:586 |
| Red Hat Enterprise Linux AS (Advanced Server) version 2.1 | Fixed | RHSA-2005:261 |
| Red Hat Enterprise Linux AS version 3 | Fixed | RHSA-2004:586 |
| Red Hat Enterprise Linux ES version 2.1 | Fixed | RHSA-2005:261 |
| Red Hat Enterprise Linux ES version 3 | Fixed | RHSA-2004:586 |
| Red Hat Enterprise Linux WS version 2.1 | Fixed | RHSA-2005:261 |
| Red Hat Enterprise Linux WS version 3 | Fixed | RHSA-2004:586 |
| Red Hat Linux Advanced Workstation 2.1 | Fixed | RHSA-2005:261 |
Timeline
- 2026-10-02 Threatist record created from CVE-2004-0968
- 2026-10-03 Alias added: GHSA-q8m5-35w7-x258
References
Sources
- CVE-2004-0968 · CVE Program
- CVE-2004-0968 · NVD
- FIRST EPSS
- GHSA-q8m5-35w7-x258 · GitHub Advisory Database · CC BY 4.0
- CVE-2004-0968 · 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