CVE-2024-24549
Apache Tomcat: HTTP/2 header handling DoS
Description
Denial of Service due to improper input validation vulnerability for HTTP/2 requests in Apache Tomcat. When processing an HTTP/2 request, if the request exceeded any of the configured limits for headers, the associated HTTP/2 stream was not reset until after all of the headers had been processed.This issue affects Apache Tomcat: from 11.0.0 through 11.0.0, from 10.1.0 through 10.1.18, from 9.0.0 through 9.0.85, from 8.5.0 through 8.5.98. Other, older, EOL versions may also be affected. Users are recommended to upgrade to version 11.0.0, 10.1.19, 9.0.86 or 8.5.99 which fix the issue.
How to fix CVE-2024-24549
To remediate CVE-2024-24549, upgrade the affected package to a fixed version below.
- —upgrade to 8.5.99 or later
- —upgrade to 10.1.6-1+deb12u2 or later
- —upgrade to 9.0.43-2~deb11u10 or later
- —upgrade to 8.5.99 or later
- —upgrade to 11.0.0-M17 or later
Is CVE-2024-24549 being exploited?
Moderate — EPSS is 23.1%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (5)
- >= 8.5.0, < 8.5.99, >= 9.0.0, < 9.0.86, >= 10.0.0, < 10.1.19
- from 0, < 10.1.6-1+deb12u2
- from 0, < 9.0.43-2~deb11u10
- >= 8.5.0, < 8.5.99
- >= 11.0.0-M1, < 11.0.0-M17
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U |
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |