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CVE-2026-28780

CRITICAL · CVSS 9.8 EPSS 0.02%

Source: NVD + CISA KEV + EPSS · Published: 2026-05-05 · Last synced: 2026-06-04

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CVE
CVE-2026-28780
Severity
CRITICAL
CVSS
9.8
EPSS
0.02%
Apache

Original NVD Description

Heap-based Buffer Overflow vulnerability in mod_proxy_ajp of Apache HTTP Server. If mod_proxy_ajp connects to a malicious AJP server this AJP server can send a malicious AJP message back to mod_proxy_ajp and cause it to write 4 attacker controlled bytes after the end of a heap based buffer. This issue affects Apache HTTP Server: through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.