cve.bz

CVE-2023-26964

7.5 highEPSS 1.1%

High (7.5) in hyper. EPSS 1.1% chance of exploitation in the next 30 days. Fixed in h2 0.3.17.

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).

Severity

CVSS 3.1

7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
1.1% chance of exploitation in the next 30 days; higher than 66% of CVEs (scores of 2026-10-31)
CWE
CWE-770
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-f8vr-r385-rh5rcrates.ioh2<0.3.170.3.17
RUSTSEC-2023-0034crates.ioh2>=0.0.0-0 <0.3.170.3.17

References

Check your stackJSON