cbcvebase.
CVE-2016-5270
published 2016-09-22

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…

PriorityP343critical9.8CVSS 3.0
AVNACLPRNUINSUCHIHAH
EPSS
3.93%
89.1th percentile
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.

Affected

11 ranges
VendorProductVersion rangeFixed in
debianfirefox< firefox 49.0-1 (sid)firefox 49.0-1 (sid)
debianfirefox-esr< firefox 49.0-1 (sid)firefox 49.0-1 (sid)
mozillafirefox<= 48.0.2
mozillafirefox
mozillafirefox
mozillafirefox
mozillafirefox
mozillafirefox>= 0 < 49.0+build4-0ubuntu0.14.04.149.0+build4-0ubuntu0.14.04.1
mozillafirefox>= 0 < 49.0+build4-0ubuntu0.16.04.149.0+build4-0ubuntu0.16.04.1
mozillathunderbird>= 0 < 1:45.4.0+build1-0ubuntu0.14.04.11:45.4.0+build1-0ubuntu0.14.04.1
mozillathunderbird>= 0 < 1:45.4.0+build1-0ubuntu0.16.04.11:45.4.0+build1-0ubuntu0.16.04.1

CVSS provenance

nvdv3.09.8CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
osv9.8CRITICAL
vendor_debian9.8CRITICAL
vendor_redhat9.8CRITICAL
vendor_ubuntu6.5MEDIUM
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