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.

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-636-1 firefox-esr security update
Debian DLA Debian DLA DLA-658-1 icedove security update
Debian DSA Debian DSA DSA-3674-1 firefox-esr security update
EUVD EUVD EUVD-2016-6221 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.
Ubuntu USN Ubuntu USN USN-3076-1 Firefox vulnerabilities
Ubuntu USN Ubuntu USN USN-3112-1 Thunderbird vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 22 Oct 2024 14:15:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:mozilla:firefox_esr:45.1.0:*:*:*:*:*:*:* cpe:2.3:a:mozilla:firefox:45.1.0:*:*:*:*:*:*:*
Vendors & Products Mozilla firefox Esr

Mon, 21 Oct 2024 13:30:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:mozilla:firefox_esr:45.1.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:45.2.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:45.3.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:45.1.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:45.2.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:45.3.0:*:*:*:*:*:*:*

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2024-08-06T00:53:48.990Z

Reserved: 2016-06-03T00:00:00

Link: CVE-2016-5270

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2016-09-22T22:59:03.677

Modified: 2025-04-12T10:46:40.837

Link: CVE-2016-5270

cve-icon Redhat

Severity : Important

Publid Date: 2016-09-20T00:00:00Z

Links: CVE-2016-5270 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses