CVE-2015-7183

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 6.8% 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

Integer overflow in the PL_ARENA_ALLOCATE implementation in Netscape Portable Runtime (NSPR) 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, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via unspecified vectors.

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-3406

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