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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.23%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.0
- 9.1 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- EPSS
- 2.23% probability · 83th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- dena/h2o · h2o project/h2o
- Source
- vultures@jpcert.or.jp
EPSS 2.2% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.securityfocus.com/bid/95061Third Party Advisory, VDB Entry
- https://github.com/h2o/h2o/issues/1144Patch, Third Party Advisory
- https://jvn.jp/en/jp/JVN44566208/index.htmlThird Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/95061Third Party Advisory, VDB Entry
- https://github.com/h2o/h2o/issues/1144Patch, Third Party Advisory
- https://jvn.jp/en/jp/JVN44566208/index.htmlThird Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.