Vulnerabilities
Misconfiguration
Compliance
Cryptography
CVE Vulnerabilities

CVE-2017-7502

NULL Pointer Dereference

Published: May 30, 2017 | Modified: Jun 17, 2026
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
7.5 IMPORTANT
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Ubuntu
MEDIUM
Vulnerability-free packages from our partners
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2017-7502
CWEhttps://cwe.mitre.org/data/definitions/476.html

Null pointer dereference vulnerability in NSS since 3.24.0 was found when server receives empty SSLv2 messages resulting into denial of service by remote attacker.

Weakness

The product dereferences a pointer that it expects to be valid but is NULL.

Affected Software

NameVendorStart VersionEnd Version
Network_security_servicesMozilla3.24.0 (including)3.24.0 (including)
Network_security_servicesMozilla3.25.0 (including)3.25.0 (including)
Network_security_servicesMozilla3.25.1 (including)3.25.1 (including)
Network_security_servicesMozilla3.26.0 (including)3.26.0 (including)
Network_security_servicesMozilla3.26.2 (including)3.26.2 (including)
Network_security_servicesMozilla3.27.0 (including)3.27.0 (including)
Network_security_servicesMozilla3.27.1 (including)3.27.1 (including)
Network_security_servicesMozilla3.27.2 (including)3.27.2 (including)
Network_security_servicesMozilla3.28.0 (including)3.28.0 (including)
Network_security_servicesMozilla3.28.1 (including)3.28.1 (including)
Network_security_servicesMozilla3.28.2 (including)3.28.2 (including)
Network_security_servicesMozilla3.28.3 (including)3.28.3 (including)
Network_security_servicesMozilla3.29.0 (including)3.29.0 (including)
Network_security_servicesMozilla3.29.1 (including)3.29.1 (including)
Network_security_servicesMozilla3.29.2 (including)3.29.2 (including)
Network_security_servicesMozilla3.29.3 (including)3.29.3 (including)
Network_security_servicesMozilla3.30.0 (including)3.30.0 (including)
Network_security_servicesMozilla3.30.1 (including)3.30.1 (including)
Red Hat Container Development Kit 3.0RedHat*
Red Hat Enterprise Linux 6RedHatnss-0:3.28.4-3.el6_9*
Red Hat Enterprise Linux 7RedHatnss-0:3.28.4-1.2.el7_3*
NssUbuntudevel*
NssUbuntuesm-infra-legacy/trusty*
NssUbuntuesm-infra-legacy/xenial*
NssUbuntuesm-infra/xenial*
NssUbuntutrusty*
NssUbuntutrusty/esm*
NssUbuntuvivid/stable-phone-overlay*
NssUbuntuxenial*
NssUbuntuyakkety*
NssUbuntuzesty*

Potential Mitigations

References

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