GCVE-110-NCSC-2026-134

Advisory PublishedCVSS 8.8/10

Vulnetix · Advisory published May 6, 2026

Apache HTTP Server 2.4.66 contains a critical double free vulnerability in its HTTP/2 implementation that enables remote code execution, fixed in version 2.4.67.

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Weaknesses (CWE)

CWE-415Double FreeCWE-122Heap-based Buffer OverflowCWE-770Allocation of Resources Without Limits or ThrottlingCWE-476NULL Pointer DereferenceCWE-208Observable Timing DiscrepancyCWE-125Out-of-bounds ReadCWE-126Buffer Over-read

Risk Scores

CVSS 3.1

8.8/10

High · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products

Vendor	Product	Versions	Platforms
Apache Software Foundation	vers:unknown/*	—	—

Aliases

CVE-2026-23918 CVE-2026-24072 CVE-2026-28780 CVE-2026-29168 CVE-2026-29169 CVE-2026-33006 CVE-2026-33007 CVE-2026-33523 CVE-2026-33857 CVE-2026-34032 CVE-2026-34059

References

advisory

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