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.
Published 2017-06-09 16:29:01
Updated 2021-04-19 14:01:39
Source JPCERT/CC
View at NVD,   CVE.org
Vulnerability category: Memory CorruptionDenial of service

Products affected by CVE-2016-7835

Threat overview for CVE-2016-7835

Top countries where our scanners detected CVE-2016-7835
Top open port discovered on systems with this issue 80
IPs affected by CVE-2016-7835 35
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2016-7835!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2016-7835

0.39%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 70 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2016-7835

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.4
MEDIUM AV:N/AC:L/Au:N/C:P/I:N/A:P
10.0
4.9
NIST
9.1
CRITICAL CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
3.9
5.2
NIST

CWE ids for CVE-2016-7835

  • The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2016-7835

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