Arm Whois 3.11 Buffer Overflow via SEH Overwrite
Published Jun 1, 2026
9.3
CRITICALCVSS 4.0
EPSS 0.92%
Description
Arm Whois 3.11 contains a stack-based buffer overflow vulnerability that allows remote attackers to execute arbitrary code by supplying oversized input to the IP address or domain field. Attackers can craft malicious input exceeding 658 bytes with shellcode to overwrite the structured exception handler and gain command execution when the application processes the input.
Affected products
-
- Version 3.11StatusaffectedConstraints-
- Version
No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
1 other source (NVD) ▾
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
YesTechnical Impact
TotalDecision
n/aAssessed Jun 2, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
Jun–Oct 2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (3 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 0.92% (0.00923) | 59.00th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.01% (0.01008) | 58.37th | v5 (v2026.06.15) |
| Jun 2, 2026 | 0.26% (0.00255) | 49.03th | v4 (v2025.03.14) |
References (4)
- http://www.armcode.com/ product
- http://www.armcode.com/downloads/arm-whois.exe product
- https://www.exploit-db.com/exploits/45796 exploit
- https://www.vulncheck.com/advisories/arm-whois-buffer-overflow-via-seh-overwrite third-party-advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.armcode.com/ | product | |
| http://www.armcode.com/downloads/arm-whois.exe | product | |
| https://www.exploit-db.com/exploits/45796 | exploit | |
| https://www.vulncheck.com/advisories/arm-whois-buffer-overflow-via-seh-overwrite | third-party-advisory |
Change history (0)
No recorded changes yet.