Memory corruption in Gnulib before 2017-04-26
Priority MEDIUM 48CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
Gnulib before 2017-04-26 has a heap-based buffer overflow with the TZ environment variable. The error is in the save_abbr function in time_rz.c.
Why it matters now
EPSS 0.03654 89th 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 |
|---|---|---|---|---|---|
| — | Gnulib before 2017-04-26 | Gnulib before 2017-04-26 | — | No fix listed | CNA |
- Gnulib before 2017-04-26 Vendor— Affected Gnulib before 2017-04-26 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
Not affected: 3 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
Timeline
- 2026-10-02 Threatist record created from CVE-2017-7476
- 2026-10-03 Alias added: GHSA-m9rq-c483-gg38
References
Sources
- CVE-2017-7476 · CVE Program
- CVE-2017-7476 · NVD
- FIRST EPSS
- GHSA-m9rq-c483-gg38 · GitHub Advisory Database · CC BY 4.0
- CVE-2017-7476 · Red Hat security data · CC BY 4.0
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