CVE-2016-5270

Heap-based buffer overflow in the nsCaseTransformTextRunFactory::TransformString function in Mozilla Firefox before 49.0, Firefox ESR 45.x before 45.4, and Thunderbird < 45.4 allows remote attackers to cause a denial of service (boolean out-of-bounds write) or possibly have unspecified other impact via Unicode characters that are mishandled during text conversion.

Score

CVSS 3.0 9.8 Critical

Status

Modified - security@mozilla.org

Published

2016-09-22

Last modified

2024-08-06

Weaknesses

CWE-119, CWE-787

Affected products

• Firefox (Mozilla)

References

• http://rhn.redhat.com/errata/RHSA-2016-1912.html
• http://www.debian.org/security/2016/dsa-3674
• http://www.mozilla.org/security/announce/2016/mfsa2016-85.html
• http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
• http://www.securityfocus.com/bid/93049
• http://www.securitytracker.com/id/1036852
• https://bugzilla.mozilla.org/show_bug.cgi?id=1291016
• https://security.gentoo.org/glsa/201701-15
• https://www.mozilla.org/security/advisories/mfsa2016-86/
• https://www.mozilla.org/security/advisories/mfsa2016-88/