CVE-2022-47185 Apache Traffic Server: Invalid Range header causes a crash

What is CVE-2022-47185?

CVE-2022-47185 is a high-severity denial of service vulnerability in Apache Traffic Server, published on 9 Aug 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Improper input validation vulnerability on the range header in Apache Software Foundation Apache Traffic Server.This issue affects Apache Traffic Server: through 9.2.1.

Weakness: CWE-20

Which versions are affected by CVE-2022-47185?

It affects 1 product.

Products include Apache Traffic Server.

How do I fix CVE-2022-47185?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2022-47185 being exploited?

There is no known exploitation of CVE-2022-47185 in the wild and no public exploit code.

Other vulnerabilities in Apache Traffic Server

• CVE-2014-3525 Other in n/a Critical 10.0
• CVE-2021-43082 heap-buffer-overflow with stats-over-http plugin Critical 9.8
• CVE-2021-35474 Dynamic stack buffer overflow in cachekey plugin Critical 9.8
• CVE-2019-17559 Other in Apache Traffic Server Critical 9.8
• CVE-2019-17565 Other in Apache Traffic Server Critical 9.8

All Apache Traffic Server vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2022-47185, GHSA-2fq4-2pvp-hvr5, OESA-2025-2053, UBUNTU-CVE-2022-47185.