Stack-based buffer overflow in lib/sh/eaccess.c in GNU Bash before 4.2 patch 33 might…
Priority LOW 21CWE-119Published · 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-119 and the CVSS impact.
Summary
Stack-based buffer overflow in lib/sh/eaccess.c in GNU Bash before 4.2 patch 33 might allow local users to bypass intended restricted shell access via a long filename in /dev/fd, which is not properly handled when expanding the /dev/fd prefix.
Why it matters now
EPSS 0.00413 35th 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
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
Not affected: 2 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
Timeline
- 2026-10-02 Threatist record created from CVE-2012-3410
- 2026-10-03 Alias added: GHSA-8g5r-93v7-fh2w
References
More GNU Bash vulnerabilities
- TI-2014-05975 GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed… KEVCVSS 3.1CRITICAL 9.8
- TI-2014-05157 GNU Bash through 4.3 processes trailing strings after function definitions in the values… KEVCVSS 3.1CRITICAL 9.8
- TI-2014-05164 GNU Bash through 4.3 bash43-026 does not properly parse function definitions in the… KEVCVSS 3.1HIGH 8.8
- TI-2014-05988 The redirection implementation in parse.y in GNU Bash through 4.3 bash43-026 allows… CVSS 2.0HIGH 10.0
- TI-2014-05163 GNU Bash through 4.3 bash43-026 does not properly parse function definitions in the… CVSS 2.0HIGH 10.0
- TI-2014-05989 Off-by-one error in the read_token_word function in parse.y in GNU Bash through 4.3… CVSS 2.0HIGH 10.0
Sources
- CVE-2012-3410 · CVE Program
- CVE-2012-3410 · NVD
- FIRST EPSS
- GHSA-8g5r-93v7-fh2w · GitHub Advisory Database · CC BY 4.0
- CVE-2012-3410 · Red Hat security data · CC BY 4.0
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