Buffer overflow in Apache Software Foundation Traffic Server

CVE-2026-58179

The Apache Traffic Server regex_remap plugin overflows the stack and integers from substitution input. 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 r…

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-58179?
CVE-2026-58179 is a high-severity vulnerability in Apache Software Foundation Traffic Server, classified under Stack-based Buffer Overflow. CVSS score: 8.1/10. Published 2026-07-29.
How severe is CVE-2026-58179?
High severity. CVSS v3 base score is 8.1 out of 10.