Red Hat Security AdvisoryRHSA-2026:92451
Red Hat OpenShift Service Mesh 3.0.17
Released 2026-10-29 · Red Hat rating Important · View on Red Hat →
Fixes 12 records
Priority MEDIUM 50
On Windows, when the target of Root.Mkdir or Root.MkdirAll is a junction pointing to an empty location, the operation can create a directory at the junction target even when that target is located outside the root.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00553 · Published 2026-10-08 · Partial fix · 1.26.9, 1.27.2 CWE-1386
Priority MEDIUM 49
The HTTP/2 server can refund connection-level flow control twice for the same data: Once when a client resets a stream (refunding data for any sent-but-unread portion of the stream), and again when a request handler read…
CVSS 3.1CRITICAL 9.1· Network · No auth · No interaction · EPSS 0.00858 · Published 2026-10-08 · Partial fix · 1.26.9, 1.27.2 +1 CWE-675
Priority MEDIUM 40
HTTP/2 servers could end up crashing due to inadvertently modifying its HPACK encoder concurrently.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00676 · Published 2026-10-08 · Partial fix · 1.26.9, 1.27.2 +1 CWE-362
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
Priority MEDIUM 40
When http.Transport sends an HTTP/1 CONNECT request with a non-empty Request.Body, it writes the body directly to the connection without framing after the request headers.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00604 · Published 2026-10-08 · Partial fix · 1.26.9, 1.27.2 CWE-444
Priority LOW 39
When an HTTP server handler sends a 2xx response to an HTTP/1 CONNECT request and returns without hijacking the connection, the server improperly continues to read and serve requests from the connection.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00528 · Published 2026-10-08 · Partial fix · 1.26.9, 1.27.2 CWE-444
Priority LOW 32
On most platforms, Go uses the given system root certificates.
CVSS 3.1MEDIUM 6.8· Network · No auth · User interaction · EPSS 0.00396 · Published 2026-10-21 · Partial fix · 1.26.10, 1.27.3 CWE-299
Priority LOW 27
A trusted template author may have previously written a valid template wherein the use of the 'yield' keyword would not be correctly escaped.
CVSS 3.1MEDIUM 6.1· Network · No auth · User interaction · EPSS 0.00289 · Published 2026-10-08 · Partial fix · 1.26.9, 1.27.2 CWE-79
Priority LOW 27
When a JavaScript template literal contains consecutive expressions, the context tracking state was not properly reset upon entering a new expression.
CVSS 3.1MEDIUM 6.1· Network · No auth · User interaction · EPSS 0.00289 · Published 2026-10-08 · Partial fix · 1.26.9, 1.27.2 CWE-79