What is CVE-2016-7835?

CVE-2016-7835 is a critical-severity vulnerability in Dena H2o, classified under Use After Free. CVSS score: 9.1/10. Published 2017-06-09.

How severe is CVE-2016-7835?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Use After Free in Dena H2o

CVE-2016-7835

Use-after-free vulnerability in H2O allows remote attackers to cause a denial-of-service (DoS) or obtain server certificate private keys and possibly other information.

Vulnerability class: Use-After-Free

EPSS: 0.032 (87.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

Affected products

Dena H2o
H2o_project H2o — versions 2.1.0
Kazuho Oku H2o — versions version 2.0.4 and earlier

Weakness classification (CWE)

CWE-416 — Use After Free

References

vultures@jpcert.or.jp (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
vultures@jpcert.or.jp (x_refsource_CONFIRM, Patch, Third Party Advisory)
vultures@jpcert.or.jp (VDB Entry, Third Party Advisory, x_refsource_JVN, third-party-advisory)

Frequently asked questions

What is CVE-2016-7835?: CVE-2016-7835 is a critical-severity vulnerability in Dena H2o, classified under Use After Free. CVSS score: 9.1/10. Published 2017-06-09.
How severe is CVE-2016-7835?: Critical severity. CVSS v3 base score is 9.1 out of 10.