Libssh: libssh: stack buffer overflow in sftp server longname construction
CVSS score
6.7
EPSS probability
%0.2
Risk score
0.0
Published
2 mo ago
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Impact on My Inventory
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Vulnerability description
DayBreach CVE AI Research
CVE-2026-15370 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.
A flaw was found in libssh. During SFTP server directory listing, the longname field is constructed with unsafe concatenation into a fixed-size stack buffer. When a client causes the server to list attacker-controlled filenames, sufficiently long names can overflow that stack buffer and may lead to crashes or possible code execution on the server.
IMPACT: Affected Products and Software
Affected Products
The following products are affected by CVE-2026-15370 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.
| ID | VENDOR | PRODUCT | ACTION |
|---|---|---|---|
| 1 | Red Hat | Red Hat Enterprise Linux 10 | View |
| 2 | Red Hat | Red Hat Hardened Images | View |
| 3 | Red Hat | Red Hat Enterprise Linux 8 | View |
| 4 | Red Hat | Red Hat Enterprise Linux 9 | View |
| 5 | libssh | libssh | View |
| 6 | libssh | libssh | View |
| 7 | redhat | hardened images | View |
| 8 | redhat | enterprise linux | View |
| 9 | redhat | enterprise linux | View |
| 10 | redhat | enterprise linux for els | View |
| 11 | redhat | enterprise linux for eus | View |
| 12 | redhat | enterprise linux for ibm z systems | View |
| 13 | redhat | enterprise linux for ibm z systems | View |
| 14 | redhat | enterprise linux for ibm z systems els | View |
| 15 | redhat | enterprise linux for ibm z systems eus | View |
| 16 | redhat | enterprise linux for power little endian | View |
| 17 | redhat | enterprise linux for power little endian | View |
| 18 | redhat | enterprise linux for power little endian els | View |
| 19 | redhat | enterprise linux for power little endian eus | 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 |
|---|---|---|---|---|
| 7.3 | CVSS V31 | HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H | NVD |
| 6.7 | CVSS V31 | MEDIUM | CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H | NVD |
| 6.7 | CVSS V3_1 | MEDIUM | CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/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-2026-15370 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-2026-15370 weaknesses.
Attack Vector and Accessibility
Official Sources and Advisories
Similar Vulnerabilities
Get this vulnerability through the API
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