HIGH8.7
spdystream is a Go library for multiplexing streams over SPDY connections. In versions 0.5.0 and below, the SPDY/3 frame parser does not validate attacker-controlled counts and lengths before allocating memory. Three allocation paths are affected: the SETTINGS frame entry count, the header count in parseHeaderValueBlock, and individual header field sizes — all read as 32-bit integers and used directly as allocation sizes with no bounds checking. Because SPDY header blocks are zlib-compressed, a small on-the-wire payload can decompress into large attacker-controlled values. A remote peer that can send SPDY frames to a service using spdystream can exhaust process memory and cause an out-of-memory crash with a single crafted control frame. This issue has been fixed in version 0.5.1.
CVSS 3.xMEDIUM 6.5
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HCVSS 4.0HIGH 8.7
CVSS:4.0/CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XReferences
- https://github.com/moby/spdystream/releases/tag/v0.5.1
- https://github.com/moby/spdystream/security/advisories/GHSA-pc3f-x583-g7j2
- https://access.redhat.com/errata/RHSA-2026:11070
- https://access.redhat.com/errata/RHSA-2026:11217
- https://access.redhat.com/errata/RHSA-2026:12118
- https://access.redhat.com/errata/RHSA-2026:13791
- https://access.redhat.com/errata/RHSA-2026:13829
- https://access.redhat.com/errata/RHSA-2026:17121
- https://access.redhat.com/errata/RHSA-2026:17123
- https://access.redhat.com/errata/RHSA-2026:17449
- https://access.redhat.com/errata/RHSA-2026:17468
- https://access.redhat.com/errata/RHSA-2026:17469
- https://access.redhat.com/errata/RHSA-2026:17475
- https://access.redhat.com/errata/RHSA-2026:17598
- https://access.redhat.com/errata/RHSA-2026:17599
- https://access.redhat.com/errata/RHSA-2026:17704
- https://access.redhat.com/errata/RHSA-2026:19099
- https://access.redhat.com/errata/RHSA-2026:19108
- https://access.redhat.com/errata/RHSA-2026:20034
- https://access.redhat.com/errata/RHSA-2026:20041
- https://access.redhat.com/errata/RHSA-2026:20042
- https://access.redhat.com/errata/RHSA-2026:20089
- https://access.redhat.com/errata/RHSA-2026:21658
- https://access.redhat.com/errata/RHSA-2026:21692
- https://access.redhat.com/errata/RHSA-2026:21697
- https://access.redhat.com/errata/RHSA-2026:23235
- https://access.redhat.com/errata/RHSA-2026:25009
- https://access.redhat.com/errata/RHSA-2026:25046
- https://access.redhat.com/errata/RHSA-2026:25187
- https://access.redhat.com/errata/RHSA-2026:25194
- https://access.redhat.com/errata/RHSA-2026:25201
- https://access.redhat.com/errata/RHSA-2026:25207
- https://access.redhat.com/errata/RHSA-2026:27004
- https://access.redhat.com/errata/RHSA-2026:27010
- https://access.redhat.com/errata/RHSA-2026:27063
- https://access.redhat.com/errata/RHSA-2026:27903
- https://access.redhat.com/errata/RHSA-2026:27914
- https://access.redhat.com/errata/RHSA-2026:27941
- https://access.redhat.com/errata/RHSA-2026:27983
- https://access.redhat.com/errata/RHSA-2026:29801
- https://access.redhat.com/errata/RHSA-2026:29835
- https://access.redhat.com/errata/RHSA-2026:33071
- https://access.redhat.com/errata/RHSA-2026:33078
- https://access.redhat.com/security/cve/CVE-2026-35469
- https://bugzilla.redhat.com/show_bug.cgi?id=2457729
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-35469.json