Integer overflow in the _isBidi function in bidi.c in Libidn2 before 2.0.4 allows remote…
Priority MEDIUM 47CWE-190Published · 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-190 and the CVSS impact.
Summary
Integer overflow in the _isBidi function in bidi.c in Libidn2 before 2.0.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact.
Why it matters now
EPSS 0.02404 84th 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: 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-2017-14061
- 2026-10-03 Alias added: GHSA-53w5-7mj5-5vvq
References
More GNU Libidn2 vulnerabilities
- TI-2017-10238 Integer overflow in the decode_digit function in puny_decode.c in Libidn2 before 2.0.4… CVSS 3.1CRITICAL 9.8
- TI-2019-13243 idn2_to_ascii_4i in lib/lookup.c in GNU libidn2 before 2.1.1 has a heap-based buffer overflow via a long domain string. CVSS 3.1CRITICAL 9.8
- TI-2019-09168 GNU libidn2 before 2.2.0 fails to perform the roundtrip checks specified in RFC3490… CVSS 3.1HIGH 7.5
Sources
- CVE-2017-14061 · CVE Program
- CVE-2017-14061 · NVD
- FIRST EPSS
- GHSA-53w5-7mj5-5vvq · GitHub Advisory Database · CC BY 4.0
- CVE-2017-14061 · Red Hat security data · CC BY 4.0
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