CVE-2015-4522

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-09-24 · updated 2026-06-17
Weakness: CWE-119

Description

The nsUnicodeToUTF8::GetMaxLength function in Mozilla Firefox before 41.0 and Firefox ESR 38.x before 38.3 might allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly have unspecified other impact via unknown vectors, related to an "overflow."

Affected products

Mozilla Firefox: through 40.0.3; 38.0, 38.0.1, 38.0.5, 38.1.0, 38.1.1, 38.2.0 (+1)

References

http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00000.html
http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00003.html
http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00004.html
http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00005.html
http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00007.html
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00025.html
http://rhn.redhat.com/errata/RHSA-2015-1834.html
http://rhn.redhat.com/errata/RHSA-2015-1852.html
http://www.debian.org/security/2015/dsa-3365
http://www.mozilla.org/security/announce/2015/mfsa2015-112.html
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html

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