Description

The HTTP/2 experimental feature in Apache Traffic Server 5.3.x before 5.3.1 allows remote attackers to cause a denial of service (out-of-bounds access and daemon crash) or possibly execute arbitrary code via vectors related to the (1) frame_handlers array or (2) set_dynamic_table_size function.

Remediation

References

CVE-2015-3249

Related Vulnerabilities

Twisted Web HTTP Server Improper Certificate Validation Vulnerability (CVE-2019-12855)

CrushFTP Server Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2025-63419)

WordPress Plugin File Manager Cross-Site Request Forgery (7.2.4)

WordPress Plugin HashBar-WordPress Notification Bar Cross-Site Scripting (1.3.5)

Envoy Proxy NULL Pointer Dereference Vulnerability (CVE-2025-62409)

Severity

Critical

Classification

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Tags

Missing Update Known Vulnerabilities CWE-119 CVE-2015-3249