CVE-2025-22871

The net/http package improperly accepts a bare LF as a line terminator in chunked data chunk-size lines. This can permit request smuggling if a net/http server is used in conjunction with a server that incorrectly accepts a bare LF as part of a chunk-ext.

  • Published Apr 8, 2025
  • CVSS 9.1 critical
  • 0.8% chance of exploitation in the next 30 days (EPSS)

Affected software

In the news

CVE-2025-22871 at the National Vulnerability Database