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Unscored CVE-2023-34188 EUVD-2023-38288GHSA-pcw9-xw4x-jgj3

The HTTP server in Mongoose before 7.10 accepts requests containing negative Content-Length headers. By sending a single attack payload ove…

Published Jun 23, 2023 · Updated Feb 28, 2025 · Assigned by mitre

Description

The HTTP server in Mongoose before 7.10 accepts requests containing negative Content-Length headers. By sending a single attack payload over TCP, an attacker can cause an infinite loop in which the server continuously reparses that payload, and does not respond to any other requests.

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 swupdate 2024.12+dfsg-1 —
Debian 13 swupdate 2024.12+dfsg-1 —
Debian 12 swupdate No fix yet —
ReleasePackageFixed inAdvisory
Ubuntu 26.10 mongoose No fix yet —
Ubuntu 24.04 LTS swupdate No fix yet —
Ubuntu 22.04 LTS swupdate No fix yet —

References