Incorrect parsing of IPv6 host literals in net/url
url.Parse insufficiently validated the host/authority component and accepted some invalid URLs.
Red Hat Hardened Images RPMs bug fix and enhancement update
Released 2026-10-09 · Red Hat rating Important · View on Red Hat →
url.Parse insufficiently validated the host/authority component and accepted some invalid URLs.
Previously, a user operating inside of a malicious Go project that defines a bogus golang.org/toolchain go.sum entry and operates a malicious GOMODPROXY the user chooses to use can bypass the intended checksum.
Previously, a user operating inside of a malicious Go project that defines a bogus golang.org/fips140 and operates a malicious GOMODPROXY the user chooses to connect to can serve an arbitrary module in its place.