RHSA-2023%3A6269
A flaw was found in handling multiplexed streams in the HTTP/2 protocol. A client can repeatedly make a request for a new multiplex stream and immediately send an RST_STREAM frame to cancel it. This creates extra work for the server setting up and tearing down the streams while not hitting any server-side limit for the maximum number of active streams per connection, resulting in a denial of service due to server resource consumption. Red Hat has rated the severity of this flaw as 'Important' as the US Cybersecurity and Infrastructure Security Agency (CISA) declared this vulnerability an active exploit. CVE-2023-39325 was assigned for the `Rapid Reset Attack` in the Go language packages.
Risk Scores
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | cert-manager/cert-manager-operator-rhel9@sha256:7d3029dbcbcbec5f6b257afc8866c0b87bc2c694dc7f3fa7ad9e88e2b61cb3d0_amd64 as a component of Cert Manager support for Red Hat OpenShift release | cert-manager/cert-manager-operator-rhel9@sha256:7d3029dbcbcbec5f6b257afc8866c0b87bc2c694dc7f3fa7ad9e88e2b61cb3d0_amd64, *, * |
| golang | ||
| Red Hat | cert-manager/cert-manager-operator-rhel9@sha256:7d3029dbcbcbec5f6b257afc8866c0b87bc2c694dc7f3fa7ad9e88e2b61cb3d0_amd64 as a component of Cert Manager support for Red Hat OpenShift release | *, cert-manager/cert-manager-operator-rhel9@sha256:7d3029dbcbcbec5f6b257afc8866c0b87bc2c694dc7f3fa7ad9e88e2b61cb3d0_amd64, cert-manager/cert-manager-operator-rhel9@sha256:7d3029dbcbcbec5f6b257afc8866c0b87bc2c694dc7f3fa7ad9e88e2b61cb3d0_amd64 |
| Red Hat | cert-manager/cert-manager-operator-bundle@sha256:140dafad28aa23ffccfcd87ff0674aa9fcbd904194728a9ee482bfa2d8d976aa_amd64 as a component of Cert Manager support for Red Hat OpenShift release | *, cert-manager/cert-manager-operator-bundle@sha256:140dafad28aa23ffccfcd87ff0674aa9fcbd904194728a9ee482bfa2d8d976aa_amd64, cert-manager/cert-manager-operator-bundle@sha256:140dafad28aa23ffccfcd87ff0674aa9fcbd904194728a9ee482bfa2d8d976aa_amd64 |
| Red Hat | cert-manager/cert-manager-operator-bundle@sha256:140dafad28aa23ffccfcd87ff0674aa9fcbd904194728a9ee482bfa2d8d976aa_amd64 as a component of Cert Manager support for Red Hat OpenShift release | cert-manager/cert-manager-operator-bundle@sha256:140dafad28aa23ffccfcd87ff0674aa9fcbd904194728a9ee482bfa2d8d976aa_amd64, cert-manager/cert-manager-operator-bundle@sha256:140dafad28aa23ffccfcd87ff0674aa9fcbd904194728a9ee482bfa2d8d976aa_amd64, cert-manager/cert-manager-operator-bundle@sha256:140dafad28aa23ffccfcd87ff0674aa9fcbd904194728a9ee482bfa2d8d976aa_amd64 |
| Red Hat | cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:4db42d2b0403b2ae116c52cfa95bc54d621200072ad2c584a38a8e0e9b6e0a71_amd64 as a component of Cert Manager support for Red Hat OpenShift release | *, *, cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:4db42d2b0403b2ae116c52cfa95bc54d621200072ad2c584a38a8e0e9b6e0a71_amd64 |
| Red Hat | cert-manager/jetstack-cert-manager-acmesolver-rhel9@sha256:4db42d2b0403b2ae116c52cfa95bc54d621200072ad2c584a38a8e0e9b6e0a71_amd64 as a component of Cert Manager support for Red Hat OpenShift release | *, *, * |
| Red Hat | cert-manager/jetstack-cert-manager-rhel9@sha256:1e3f9343999d6ed86d052688623de31fa74eee6f0b1a747dac32b661ec714b00_amd64 as a component of Cert Manager support for Red Hat OpenShift release | cert-manager/jetstack-cert-manager-rhel9@sha256:1e3f9343999d6ed86d052688623de31fa74eee6f0b1a747dac32b661ec714b00_amd64, cert-manager/jetstack-cert-manager-rhel9@sha256:1e3f9343999d6ed86d052688623de31fa74eee6f0b1a747dac32b661ec714b00_amd64, cert-manager/jetstack-cert-manager-rhel9@sha256:1e3f9343999d6ed86d052688623de31fa74eee6f0b1a747dac32b661ec714b00_amd64 |
| Red Hat | cert-manager/jetstack-cert-manager-rhel9@sha256:1e3f9343999d6ed86d052688623de31fa74eee6f0b1a747dac32b661ec714b00_amd64 as a component of Cert Manager support for Red Hat OpenShift release | *, cert-manager/jetstack-cert-manager-rhel9@sha256:1e3f9343999d6ed86d052688623de31fa74eee6f0b1a747dac32b661ec714b00_amd64, cert-manager/jetstack-cert-manager-rhel9@sha256:1e3f9343999d6ed86d052688623de31fa74eee6f0b1a747dac32b661ec714b00_amd64 |
Timeline
- Nov 15, 2023 CVE Published
- Apr 25, 2026 Distribution Patch
- Apr 25, 2026 Distribution Patch
- Apr 25, 2026 Security Advisory
- Apr 25, 2026 Security Advisory
- Apr 25, 2026 Security Advisory
- May 21, 2026 CVE Updated
References
- https://access.redhat.com/errata/RHSA-2023:6269 advisory
- https://access.redhat.com/security/updates/classification/#important advisory
- https://access.redhat.com/security/vulnerabilities/RHSB-2023-003 advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2242803 issue
- https://bugzilla.redhat.com/show_bug.cgi?id=2243296 issue
- https://issues.redhat.com/browse/CM-213 advisory
- https://issues.redhat.com/browse/CM-224 advisory
- https://security.access.redhat.com/data/csaf/v2/advisories/2023/rhsa-2023_6269.json advisory
- https://access.redhat.com/security/cve/CVE-2023-39325 advisory
- https://www.cve.org/CVERecord?id=CVE-2023-39325 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2023-39325 advisory
- https://access.redhat.com/security/cve/CVE-2023-44487 advisory
- https://go.dev/issue/63417 advisory
- https://pkg.go.dev/vuln/GO-2023-2102 advisory
- https://www.cisa.gov/news-events/alerts/2023/10/10/http2-rapid-reset-vulnerability-cve-2023-44487 advisory
- https://www.cve.org/CVERecord?id=CVE-2023-44487 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2023-44487 advisory
- https://github.com/dotnet/announcements/issues/277 advisory
- https://www.nginx.com/blog/http-2-rapid-reset-attack-impacting-f5-nginx-products/ advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog exploit