CVE-2023-26048 — Jetty is a java based web server and servlet engine

Jetty is a java based web server and servlet engine. In affected versions servlets with multipart support (e.g. annotated with `@MultipartConfig`) that call `HttpServletRequest.getParameter()` or `HttpServletRequest.getParts()` may cause `OutOfMemoryError` when the client sends a

01What is this vulnerability?

Jetty is a java based web server and servlet engine. In affected versions servlets with multipart support (e.g. annotated with `@MultipartConfig`) that call `HttpServletRequest.getParameter()` or `HttpServletRequest.getParts()` may cause `OutOfMemoryError` when the client sends a multipart request with a part that has a name but no filename and very large content. This happens even with the…

02Affected products

Vendor	Product	Versions
eclipse	jetty.project	< 9.4.51, >= 10.0.0, < 10.0.14, >= 11.0.0, < 11.0.14

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-04-18T20:30:20.420Z
• Last modified: 2025-02-13T16:44:44.177Z

09References

• github.com — https://github.com/eclipse/jetty.project/security/advisories/GHSA-qw69-rqj8-6qw8
• github.com — https://github.com/eclipse/jetty.project/issues/9076
• github.com — https://github.com/eclipse/jetty.project/pull/9344
• github.com — https://github.com/eclipse/jetty.project/pull/9345
• github.com — https://github.com/jakartaee/servlet/blob/6.0.0/spec/src/main/asciidoc/servlet-s…
• security.netapp.com — https://security.netapp.com/advisory/ntap-20230526-0001/
• www.debian.org — https://www.debian.org/security/2023/dsa-5507
• lists.debian.org — https://lists.debian.org/debian-lts-announce/2023/09/msg00039.html