Buffer overflow in Apache Traffic_server

CVE-2021-35474

Stack-based Buffer Overflow vulnerability in cachekey plugin of Apache Traffic Server. This issue affects Apache Traffic Server 7.0.0 to 7.1.12, 8.0.0 to 8.1.1, 9.0.0 to 9.0.1.

Vulnerability class: Buffer Overflow

EPSS: 0.027 (84.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-35474?
CVE-2021-35474 is a critical-severity vulnerability in Apache Traffic_server, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2021-06-30.
How severe is CVE-2021-35474?
Critical severity. CVSS v3 base score is 9.8 out of 10.