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Red Hat Security Advisory

RHSA-2026:95519

delve security update

Released 2026-11-05 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 5 records

Priority MEDIUM 40

Multiple ECH outer extension references are not permitted under RFC 9849; previously, a client could send a well-crafted packet that could trigger memory exhaustion in the server process by specifying multiple references…

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00716 Published 2026-10-08 Partial fix · 1.26.9, 1.27.2 CWE-405
Priority MEDIUM 40

Parsing a multipart form can bypass memory limits and read an arbitrarily long line into memory when the remaining limit at the start of a part is less than 400 bytes.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00706 Published 2026-10-08 Partial fix · 1.26.9, 1.27.2 CWE-770
Priority MEDIUM 40

A malicious HTTP/2 peer can cause excessive CPU consumption in the client or server by opening a large number of streams and then sending many small SETTINGS frames containing SETTINGS_INITIAL_WINDOW_SIZE values.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00847 Published 2026-10-08 Partial fix · 1.26.9, 1.27.2 +1 CWE-405
Priority MEDIUM 40

When parsing a Range header containing a large number of small ranges, FileServer(FS), ServeContent, and ServeFile(FS) can consume an excessive amount of CPU.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00663 Published 2026-10-08 Partial fix · 1.26.9, 1.27.2 CWE-770