CVE-2023-39456

Apache Traffic Server: Malformed http/2 frames can cause an abort

Published Oct 17, 2023 CVSS 3.1 · 7.5 High EPSS 58.3% KEV · Not listed
Description
Improper Input Validation vulnerability in Apache Traffic Server with malformed HTTP/2 frames.This issue affects Apache Traffic Server: from 9.0.0 through 9.2.2.

Users are recommended to upgrade to version 9.2.3, which fixes the issue.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-5549-1 trafficserver security update
EUVD EUVD EUVD-2023-43179 Improper Input Validation vulnerability in Apache Traffic Server with malformed HTTP/2 frames.This issue affects Apache Traffic Server: from 9.0.0 through 9.2.2. Users are recommended to upgrade to version 9.2.3, which fixes the issue.
History
Type Values Removed Values Added
Description Improper Input Validation vulnerability in Apache Traffic Server with malformed HTTP/2 frames.This issue affects Apache Traffic Server: from 9.0.0 through 9.2.2. Users are recommended to upgrade to version 9.2.3, which fixes the issue. Improper Input Validation vulnerability in Apache Traffic Server with malformed HTTP/2 frames.This issue affects Apache Traffic Server: from 9.0.0 through 9.2.2. Users are recommended to upgrade to version 9.2.3, which fixes the issue.
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
apache
Published
Updated
Jun 12, 2025, 3:10 PM
Reserved
Aug 2, 2023, 8:52 PM
Status
Modified
Published
Oct 17, 2023, 7:15 AM
Modified
Jun 17, 2026, 6:12 AM