PT-2026-65764 · Apache · Apache Traffic Server

Omkhar Arasaratnam · CVE-2026-58187 · Published 2026-07-29 · Updated 2026-07-29

Mitre

CVSS v3.1

3.7

Low

Base vector

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

The Apache Traffic Server multiplexer plugin overruns its chunk-decode buffer on upstream input, enabling denial of service.

This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.

Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2026-58187

Affected Products

Apache Traffic Server

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-58187 · Security Note
• https://lists.apache.org/thread/5prl9glcm9g2swnq9hqxvnokylm1gr6d · Vendor Advisory