VDB
CVE-2023-26964
CVE-2023-26964
PUBLISHED
CVSS 8.699999809265137 HIGH
h2 vulnerable to denial of service
Reported by mitre · Published April 11, 2023
An issue was discovered in hyper v0.13.7. h2-0.2.4 Stream stacking occurs when the H2 component processes HTTP2 RST_STREAM frames. As a result, the memory and CPU usage are high which can lead to a Denial of Service (DoS).
Risk scores
CVSS 4.0
8.699999809265137
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
Affected products
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
| n/a | n/a | * |
| crates.io | h2 | 0 |
Timeline
- Apr 11, 2023 CVE Published
- Apr 11, 2023 PoC Published (2 in total, the first dated here)
- Apr 12, 2023 EPSS Score (30 in total, the first dated here)
- May 1, 2023 CVE Updated
- Mar 17, 2026 Security Advisory (2 in total, the first dated here)
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln CVE-2023-26964
vulnetix vdb fixes CVE-2023-26964Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/CVE-2023-26964/fixes/registry"The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart
References
- FEDORA-2023-cc21019773 vendor-advisory
- FEDORA-2023-37ae269843 vendor-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2023-26964 advisory
- https://github.com/advisories/GHSA-f8vr-r385-rh5r advisory
- https://github.com/hyperium/h2/issues/621 url
- https://github.com/hyperium/h2/pull/668 patch
- https://github.com/hyperium/hyper url
- https://rustsec.org/advisories/RUSTSEC-2023-0034.html url