CVE-2026-58187

LOW

Apache Traffic Server: Multiplexer plugin chunk decoder enables a denial of service

Title source: cna
STIX 2.1

Description

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.

References (1)

Core 1
Core References

Scores

CVSS v3 3.7
EPSS 0.0029
EPSS Percentile 21.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-787
Status published
Products (3)
Apache Software Foundation/Apache Traffic Server 10.0.0 - 10.1.3
Apache Software Foundation/Apache Traffic Server 8.0.0 - 8.1.9
Apache Software Foundation/Apache Traffic Server 9.0.0 - 9.2.14
Published Jul 29, 2026
Tracked Since Jul 29, 2026