CVE-2015-7181

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 6.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-11-05 · updated 2026-06-17
Weakness: CWE-119

Description

The sec_asn1d_parse_leaf function in Mozilla Network Security Services (NSS) before 3.19.2.1 and 3.20.x before 3.20.1, as used in Firefox before 42.0 and Firefox ESR 38.x before 38.4 and other products, improperly restricts access to an unspecified data structure, which allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via crafted OCTET STRING data, related to a "use-after-poison" issue.

Affected products

Mozilla Firefox: through 41.0.2; 38.0, 38.0.1, 38.0.5, 38.1.0, 38.1.1, 38.2.0 (+2)
Mozilla Network Security Services: through 3.19.2.0; 3.20.0

References

http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00013.html
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00015.html
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00020.html
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00021.html
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00025.html
http://lists.opensuse.org/opensuse-updates/2015-12/msg00037.html
http://lists.opensuse.org/opensuse-updates/2015-12/msg00049.html
http://packetstormsecurity.com/files/134268/Slackware-Security-Advisory-mozilla-nss-Updates.html
http://rhn.redhat.com/errata/RHSA-2015-1980.html
http://rhn.redhat.com/errata/RHSA-2015-1981.html
http://www.debian.org/security/2015/dsa-3393
http://www.debian.org/security/2015/dsa-3410

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