CVE-2013-6890
N/A
Published: December 23, 2013 at 10:00 PM UTC
Updated: June 17, 2026 at 12:01 AM UTC
3 products affected across 3 vendorsDebian LinuxFedoraDenyhosts
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Severity
N/A
Exploit prediction
EPSS 9%
Description
denyhosts 2.6 uses an incorrect regular expression when analyzing authentication logs, which allows remote attackers to cause a denial of service (incorrect block of IP addresses) via crafted login names.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Debian Linux· Debiandrupal
95%95%
All versions
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (4)
Third Party Advisoryx_refsource_SECUNIAVendor Advisory
Source: [email protected]
http://secunia.com/advisories/56239Vendor Advisoryx_refsource_DEBIAN
Source: [email protected]
http://www.debian.org/security/2013/dsa-2826Quick Info
StatusMODIFIED
CWE
CWE-287
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