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CVE-2023-40167 is an improper HTTP/1 Content-Length parsing issue in Eclipse Jetty. Jetty versions before 9.4.52, 10.0.16, 11.0.16, and 12.0.1 accept a plus sign preceding a Content-Length value. This syntax is not permitted by the HTTP specification and is rejected by many other HTTP servers. The resulting parser discrepancy can create an HTTP request-smuggling condition when Jetty is deployed behind or alongside an intermediary that rejects the request but does not close the connection.
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No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
13 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An improper HTTP/1 Content-Length validation vulnerability in Jetty addressed in the AMQ Clients update.
Improper validation of HTTP/1 Content-Length in Jetty.
An HTTP/1 Content-Length validation vulnerability in Puppet Server/Jetty.
An improper HTTP/1 Content-Length validation vulnerability in Jetty.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.