CVE-2026-49975
Apache HTTP Server: mod_http2 denial of service
Published: Jun 8, 2026Updated: Jun 10, 2026 Sources: CVE List NVD
7.5CVSS
HIGHMemory Allocation with Excessive Size Value vulnerability in Apache HTTP Server's mod_http leads to denial of service via malicious HTTP requests. This issue affects Apache HTTP Server: from 2.4.17 through 2.4.67.
EPSS Score
0.4%
Top 37.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:NConfidentialityNone
I:NIntegrityNone
A:HAvailabilityHigh
Weaknesses
Affected Products
Exploitability
Official Patch Available
References
https://httpd.apache.org/security/vulnerabilities_24.html
httpd.apache.org
http://www.openwall.com/lists/oss-security/2026/06/03/3
openwall.com
http://www.openwall.com/lists/oss-security/2026/06/08/16
openwall.com
and 1 more references View all →
Timeline
Published
Jun 8, 2026
Last Updated
Jun 10, 2026
News mentions
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