Search/CVE-2026-44631
● CVE — Critical

CVE-2026-44631

VendorapacheProducthttp serverDiscoveredJun 8, 2026UpdatedJul 23, 2026

Buffer Underwrite vulnerability in Apache HTTP Server on crafted regular expressions in the configuration. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue.

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CVSS v3.1
9.8 CRITICAL
EPSS
0.50%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
2
sources referencing this CVE
Related IOCs
0
seen in the same coverage
Intelligence Reports1
1 intelligence report available

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EPSS Trend
Aug 16, 2026 → Oct 26, 2026
● 0.00pp
0.50% → 0.50% over 3 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityHIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Connections
4 relationships
Timeline
disclosure → media coverage
Jun 8, 2026
Disclosure — published as a CVE record. · last revised by NVD Jul 23, 2026
Jul 8, 2026
ubuntu.com reports: USN-8516-1: Apache HTTP Server vulnerabilities
Sep 10, 2026
ubuntu.com reports: USN-8571-2: Apache HTTP Server regression