CVE-2026-33814: falha de alta gravidade em Go standard library net/http
Infinite loop in HTTP/2 transport when given bad SETTINGS_MAX_FRAME_SIZE in net/http/internal/http2 in golang.org/x/net
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21Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 7.5epss 0.8%
When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a SETTINGS_MAX_FRAME_SIZE with a value of 0.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVEs relacionadas — Go standard library net/http
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CVE-2023-45288HIGHHTTP/2 CONTINUATION flood in net/httpEPSS 89.5%CVE-2022-41717—Excessive memory growth in net/http and golang.org/x/net/http2EPSS 6.1%CVE-2022-41723HIGHDenial of service via crafted HTTP/2 stream in net/http and golang.org/x/netEPSS 4.6%CVE-2023-39325—HTTP/2 rapid reset can cause excessive work in net/httpEPSS 3.8%CVE-2026-39821CRITICALInvoking failure to reject ASCII-only Punycode-encoded labels in golang.org/x/net/idnaEPSS 1.8%CVE-2022-1705MEDIUMImproper sanitization of Transfer-Encoding headers in net/httpEPSS 1.5%
Referências
https://access.redhat.com/errata/RHSA-2026:22112https://access.redhat.com/errata/RHSA-2026:22120https://access.redhat.com/errata/RHSA-2026:22121https://access.redhat.com/errata/RHSA-2026:23262https://access.redhat.com/errata/RHSA-2026:23264https://access.redhat.com/errata/RHSA-2026:33120https://access.redhat.com/errata/RHSA-2026:33123https://access.redhat.com/errata/RHSA-2026:33142https://access.redhat.com/errata/RHSA-2026:33150https://access.redhat.com/errata/RHSA-2026:34342https://access.redhat.com/errata/RHSA-2026:37387https://access.redhat.com/errata/RHSA-2026:42644