VDB
RHSA-2026:61377
RHSA-2026:61377
PUBLISHED
CVSS 7.5 HIGH
A flaw was found in Node.js's handling of HTTP/2. This vulnerability allows a remote attacker to bypass maxSessionMemory limits by sending specially crafted HTTP/2 retained header blocks. This can lead to memory exhaustion, resulting in a denial of service (DoS) for the affected system.
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | nodejs24-devel-1:24.19.0-1.el10_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10) | 24.19.0-1.el10 |
| Red Hat | nodejs24-libs-debuginfo-1:24.19.0-1.el10_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10) | 24.19.0-1.el10 |
| Red Hat | nodejs24-1:24.19.0-1.el10_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10) | 24.19.0-1.el10 |
| Red Hat | nodejs24-1:24.19.0-1.el10_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10) | 24.19.0-1.el10 |
| Red Hat | nodejs24-debuginfo-1:24.19.0-1.el10_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10) | 24.19.0-1.el10 |
| Red Hat | nodejs24-debugsource-1:24.19.0-1.el10_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10) | 24.19.0-1.el10 |
| Red Hat | nodejs24-debugsource-1:24.19.0-1.el10_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10) | 24.19.0-1.el10 |
| Red Hat | nodejs24-libs-debuginfo-1:24.19.0-1.el10_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10) | 24.19.0-1.el10 |
| Red Hat | nodejs24-devel-1:24.19.0-1.el10_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10) | 24.19.0-1.el10 |
| Red Hat | nodejs24-devel-1:24.19.0-1.el10_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10) | 24.19.0-1.el10 |
| Red Hat | nodejs24-devel-1:24.19.0-1.el10_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10) | 24.19.0-1.el10 |
| Red Hat | nodejs24-full-i18n-1:24.19.0-1.el10_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10) | 24.19.0-1.el10 |
| Red Hat | nodejs24-1:24.19.0-1.el10_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10) | 24.19.0-1.el10 |
| Red Hat | nodejs24-full-i18n-1:24.19.0-1.el10_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10) | 24.19.0-1.el10 |
| Red Hat | nodejs24-libs-1:24.19.0-1.el10_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10) | 24.19.0-1.el10 |
| Red Hat | nodejs24-1:24.19.0-1.el10_2.src as a component of Red Hat Enterprise Linux AppStream (v. 10) | 24.19.0-1.el10 |
| Red Hat | nodejs24-libs-1:24.19.0-1.el10_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10) | 24.19.0-1.el10 |
| Red Hat | nodejs24-debuginfo-1:24.19.0-1.el10_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10) | 24.19.0-1.el10 |
| Red Hat | nodejs24-libs-debuginfo-1:24.19.0-1.el10_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10) | 24.19.0-1.el10 |
| Red Hat | nodejs24-full-i18n-1:24.19.0-1.el10_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10) | 24.19.0-1.el10 |
…and 11 more
Timeline
- Aug 31, 2026 CVE Published
- Aug 31, 2026 CVE Updated
- Aug 31, 2026 Distribution Patch
- Aug 31, 2026 Distribution Patch
- Aug 31, 2026 Security Advisory
- Aug 31, 2026 Security Advisory
- Aug 31, 2026 Security Advisory
- Aug 31, 2026 Security Advisory
References
- https://access.redhat.com/errata/RHSA-2026:61377 advisory
- https://access.redhat.com/security/updates/classification/#important advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2509171 issue
- https://bugzilla.redhat.com/show_bug.cgi?id=2510856 issue
- https://issues.redhat.com/browse/RHEL-220543 advisory
- https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_61377.json advisory
- https://access.redhat.com/security/cve/CVE-2026-56846 advisory
- https://www.cve.org/CVERecord?id=CVE-2026-56846 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-56846 advisory
- https://nodejs.org/en/blog/vulnerability/july-2026-security-releases advisory
- https://access.redhat.com/security/cve/CVE-2026-56848 advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2511089 issue
- https://www.cve.org/CVERecord?id=CVE-2026-56848 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-56848 advisory
- https://access.redhat.com/security/cve/CVE-2026-58043 advisory
- https://www.cve.org/CVERecord?id=CVE-2026-58043 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-58043 advisory