NULL pointer dereference in znc
Priority LOW 37CWE-476Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-476.
Summary
NULL pointer dereference vulnerability in ZNC before 0.092 caused by traffic stats when there are unauthenticated connections.
Why it matters now
EPSS 0.02395 84th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed znc (znc): 0.092
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA znc (znc) Fixed in 0.092
Timeline
- 2026-10-02 Threatist record created from CVE-2010-2488
- 2026-10-03 Alias added: GHSA-whfw-9qvh-v4jj
References
More Znc vulnerabilities
- TI-2019-09598 Modules.cpp in ZNC before 1.7.4-rc1 allows remote authenticated non-admin users to… CVSS 3.0HIGH 8.8
- TI-2009-02540 Directory traversal vulnerability in ZNC before 0.072 allows remote attackers to… CVSS 2.0HIGH 7.5
- TI-2019-07288 ZNC before 1.7.3-rc1 allows an existing remote user to cause a Denial of Service (crash) via invalid encoding. CVSS 3.0MEDIUM 6.5
- TI-2020-10769 ZNC 1.8.0 up to 1.8.1-rc1 allows authenticated users to trigger an application crash… CVSS 3.1MEDIUM 6.5
- TI-2009-00724 Multiple CRLF injection vulnerabilities in webadmin in ZNC before 0.066 allow remote… CVSS 2.0MEDIUM 6.5
- TI-2018-10159 ZNC before 1.7.1-rc1 does not properly validate untrusted lines coming from the network… CVSS 3.0MEDIUM 6.5
Sources
- CVE-2010-2488 · CVE Program
- CVE-2010-2488 · NVD
- FIRST EPSS
- GHSA-whfw-9qvh-v4jj · GitHub Advisory Database · CC BY 4.0
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