VDB
RHSA-2026:55903
RHSA-2026:55903
PUBLISHED
CVSS 7.5 HIGH
A flaw was found in the `crypto/tls` package within the Go (golang) standard library, specifically affecting TLS 1.3 connections. A remote attacker can exploit this vulnerability by sending multiple key update messages in a single record after the handshake. This can cause the connection to deadlock, leading to uncontrolled consumption of resources and ultimately a denial of service (DoS).
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | registry.redhat.io/web-terminal/web-terminal-tooling-rhel9@sha256:5ad495a8457b56d64d931f7dc135783d33def1cc76363e03c9e1d0f3f9b5627d_amd64 as a component of Red Hat Web Terminal 1.14 | * |
| Red Hat | registry.redhat.io/web-terminal/web-terminal-exec-rhel9@sha256:df20e285fc92d28cc6ea46fdd40c7ad51f4ed4a8f3b6379e9685db448a2dd2bb_amd64 as a component of Red Hat Web Terminal 1.14 | * |
| Red Hat | registry.redhat.io/web-terminal/web-terminal-operator-bundle@sha256:4738078b0ac638ac346b5363e4653901d967f213c3e2ed787d3ced2fd81408c9_amd64 as a component of Red Hat Web Terminal 1.14 | * |
| Red Hat | registry.redhat.io/web-terminal/web-terminal-rhel9-operator@sha256:852f110540d3e7d7ac7c5134d41f4a85268a7e0e880952da9a79900d605133f0_amd64 as a component of Red Hat Web Terminal 1.14 | * |
Timeline
- Aug 18, 2026 CVE Published
- Aug 23, 2026 CVE Updated
- Aug 23, 2026 Distribution Patch
- Aug 23, 2026 Distribution Patch
- Aug 23, 2026 Security Advisory
- Aug 23, 2026 Security Advisory
- Aug 23, 2026 Security Advisory
References
- https://access.redhat.com/errata/RHSA-2026:55903 advisory
- https://access.redhat.com/security/cve/CVE-2026-32283 advisory
- https://access.redhat.com/security/cve/CVE-2026-39836 advisory
- https://access.redhat.com/security/updates/classification/ advisory
- https://redhat.atlassian.net/browse/WTO-439 advisory
- https://redhat.atlassian.net/browse/WTO-507 advisory
- https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_55903.json advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2456338 issue
- https://www.cve.org/CVERecord?id=CVE-2026-32283 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-32283 advisory
- https://go.dev/cl/763767 advisory
- https://go.dev/issue/78334 advisory
- https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU advisory
- https://pkg.go.dev/vuln/GO-2026-4870 advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2467827 issue
- https://www.cve.org/CVERecord?id=CVE-2026-39836 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-39836 advisory
- https://go.dev/cl/775320 advisory
- https://go.dev/issue/79006 advisory
- https://groups.google.com/g/golang-announce/c/qcCIEXso47M advisory
…and 1 more