Heap buffer overflow in boks_sshd revoked-key error handling
Priority LOW 37CWE-122Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-122 and the CVSS impact.
Summary
The revoked-key error path builds a human-readable failure reason using sprintf() into a heap buffer. The allocated buffer is too small for the final formatted message. When sprintf() writes the full message, it can write past the end of the heap allocation.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00217 12th percentileScored 2026-11-07
Fix Fixed Core Privileged Access Manager (BoKS) (Fortra): 8.1.0.30, 10.1.1.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Fortra | Core Privileged Access Manager (BoKS) | 8.1.0.0 to before 8.1.0.30; 10.1.0.0 to before 10.1.1.0 | 8.1.0.30, 10.1.1.0 | Patch available | CNA |
- Core Privileged Access Manager (BoKS) VendorFortra Affected 8.1.0.0 to before 8.1.0.30; 10.1.0.0 to before 10.1.1.0 Fixed in 8.1.0.30, 10.1.1.0 Patch available CNA
Remediation
- Fix · CNA Core Privileged Access Manager (BoKS) (Fortra) Fixed in 8.1.0.30, 10.1.1.0
Timeline
- 2026-10-02 Threatist record created from CVE-2026-14316
- 2026-10-03 Alias added: GHSA-fw7m-8966-p5rr
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Sources
- CVE-2026-14316 · CVE Program
- CVE-2026-14316 · NVD
- FIRST EPSS
- GHSA-fw7m-8966-p5rr · GitHub Advisory Database · CC BY 4.0
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