Answer in brief
CVE-2026-15166 records a Medium severity (CVSS 5.5) vulnerability in Stack-based Buffer Overflow in Wireshark. The current sources do not mark it as known exploited. The current feed maps Wireshark Foundation/Wireshark (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 5.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Wireshark Foundation/Wireshark (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Wireshark Foundation/Wiresharkgeneric | >=4.6.0 <4.6.7 || >=4.4.0 <4.4.17 | 4.6.7, 4.4.17 |
Published upstream
Jul 8, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 9, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 8, 2026
IEEE 802.11 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-15166 records a Medium severity (CVSS 5.5) vulnerability in Stack-based Buffer Overflow in Wireshark. The current sources do not mark it as known exploited. The current feed maps Wireshark Foundation/Wireshark (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 5.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Wireshark Foundation/Wireshark (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Wireshark Foundation/Wiresharkgeneric | >=4.6.0 <4.6.7 || >=4.4.0 <4.4.17 | 4.6.7, 4.4.17 |
Published upstream
Jul 8, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 9, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 8, 2026
IEEE 802.11 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service
Quoted source text, attributed separately from HOL analysis.