Out-of-bounds write in Sahlberg Libnfs
CVSS score
7.1
EPSS probability
—
Risk score
0.7
Published
11 h ago
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Vulnerability description
CVE AI research
DayBreach AI Explanation
Verified against sourcesSources read
1
Source agreement
Tam uyum
Evidence confidence
%55
Short explanation
The ZDR decoding mechanism in the libnfs library fails to honor the caller-supplied maxsize value, resulting in an out-of-bounds write vulnerability.
This vulnerability carries a high-severity impact potential that can lead to integrity loss and service disruptions in affected systems.
What should be done?
- Follow vendor advisory documentation
- Review related commit references
Chain of evidence and sources
libnfs kütüphanesinin ZDR kod çözme bileşeninde sınırların dışına yazma açığı bulunmaktadır.
İlgili açık libnfs_zdr_bytes, libnfs_zdr_string ve libnfs_zdr_array fonksiyonları ile ilişkilidir.
Show the technical text from the sources
ZDR decoding in libnfs through 6.0.2 before 7613236 has an out-of-bounds write related to lib/libnfs-zdr.c with libnfs_zdr_bytes(), libnfs_zdr_string(), and libnfs_zdr_array(). The caller-supplied maxsize value is not honored.
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
CWE: CWE-787
Explanation produced with the local gemini-flash-lite-latest model. Numerical metrics and the KEV, patch and exploit statuses are not determined by AI.
IMPACT: Affected Products and Software
Affected Products
The following products are affected by CVE-2026-108985 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.
| ID | VENDOR | PRODUCT | ACTION |
|---|---|---|---|
| 1 | sahlberg | libnfs | View |
RED HAT CSAF/VEX: Product Impact Check
SCORING: CVSS from Multiple Sources
CVSS Scores
The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.
| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| 7.1 | CVSS V31 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H | NVD |
| 7.1 | CVSS V3_1 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H | CVE CNA |
Patch and Remediation Guide
Solution & Remediation Advisory
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Public exploit and active exploitation status
Verified exploit intelligence
No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.
Weakness Classification and Attack Patterns (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-108985 is associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-108985 weaknesses.
Attack Vector and Accessibility
Official Sources and Advisories
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curl -H "x-api-key: $DAYBREACH_API_KEY" \ "https://api.enginteksut.com.tr/api/v1/intel/cves/CVE-2026-108985"