What is CVE-2026-58177?

CVE-2026-58177 is a high-severity vulnerability in Apache Software Foundation Traffic Server, classified under Out-of-bounds Write. CVSS score: 8.1/10. Published 2026-07-29.

How severe is CVE-2026-58177?

High severity. CVSS v3 base score is 8.1 out of 10.

Buffer overflow in Apache Software Foundation Traffic Server

CVE-2026-58177

The Apache Traffic Server Cripts framework has out-of-bounds writes, path traversal, and use-after-free errors. This issue affects Apache Traffic Server: from 10.0.0 through 10.1.3. Users are recommended to upgrade to version 10.1.4, whi…

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:C/C:L/I:L/A:H.

Affected products

Apache Software Foundation Traffic Server — versions 10.0.0

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

security@apache.org (vendor-advisory)

Frequently asked questions

What is CVE-2026-58177?: CVE-2026-58177 is a high-severity vulnerability in Apache Software Foundation Traffic Server, classified under Out-of-bounds Write. CVSS score: 8.1/10. Published 2026-07-29.
How severe is CVE-2026-58177?: High severity. CVSS v3 base score is 8.1 out of 10.