In Bro through 2.5.5, there is a DoS in IRC protocol names command parsing in analyzer/protocol/irc/IRC.cc.
Priority LOW 36CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
In Bro through 2.5.5, there is a DoS in IRC protocol names command parsing in analyzer/protocol/irc/IRC.cc.
Why it matters now
EPSS 0.01399 72nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2018-17019
- 2026-10-03 Alias added: GHSA-fcrf-wj6f-p332
More Bro vulnerabilities
- TI-2017-14669 Bro before Bro v2.5.2 is vulnerable to an out of bounds write in the ContentLine analyzer… CVSS 3.0CRITICAL 9.8
- TI-2018-12036 In Bro through 2.5.5, there is a memory leak potentially leading to DoS in… CVSS 3.0HIGH 7.5
- TI-2015-01372 analyzer/protocol/dnp3/DNP3.cc in Bro before 2.3.2 does not reject certain non-zero… CVSS 3.0HIGH 7.5
- TI-2015-01371 analyzer/protocol/dnp3/DNP3.cc in Bro before 2.3.2 does not properly handle zero values… CVSS 3.0HIGH 7.5
Sources
- CVE-2018-17019 · CVE Program
- CVE-2018-17019 · NVD
- FIRST EPSS
- GHSA-fcrf-wj6f-p332 · GitHub Advisory Database · CC BY 4.0
- CVE-2018-17019 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences