# CVE-2024-9823: jetty9: There exists a security vulnerability in Jetty's DosFilter which can be exploited by unauthorized users to cause remo...

CVE-2024-9823 is fixed in jetty9 on 1 platform, first by DEBIAN-CVE-2024-9823, released October 14, 2024. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2024-9823
- Priority: High
- CVSS: 7.5 (high)
- EPSS: 0.0094
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Oct 14, 2024

## Description

There exists a security vulnerability in Jetty's DosFilter which can be exploited by unauthorized users to cause remote denial-of-service (DoS) attack on the server using DosFilter. By repeatedly sending crafted requests, attackers can trigger OutofMemory errors and exhaust the server's memory finally.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | jetty9 Debian 12.15 (bookworm) | 9.4.57-0+deb12u1 | [DEBIAN-CVE-2024-9823](https://patchblox.com/security/data/fix/linux/debian-cve-2024-9823.md) | Oct 14, 2024 |
| Linux | jetty9 Debian 13.5 (trixie) | 9.4.54-1 | [DEBIAN-CVE-2024-9823](https://patchblox.com/security/data/fix/linux/debian-cve-2024-9823.md) | Oct 14, 2024 |
| Linux | jetty9 Debian 14 | 9.4.54-1 | [DEBIAN-CVE-2024-9823](https://patchblox.com/security/data/fix/linux/debian-cve-2024-9823.md) | Oct 14, 2024 |

---

Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.