CVE-2018-5178

Mozilla: Buffer overflow during UTF-8 to Unicode string conversion through legacy extension

Published Jun 11, 2018 CVSS 3.0 · 8.1 High EPSS 4.9% KEV · Not listed
Description
A buffer overflow was found during UTF8 to Unicode string conversion within JavaScript with extremely large amounts of data. This vulnerability requires the use of a malicious or vulnerable legacy extension in order to occur. This vulnerability affects Thunderbird ESR < 52.8, Thunderbird < 52.8, and Firefox ESR < 52.8.

Analysis

No analysis available yet

Remediation

No remediation available yet

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-1376-1 firefox-esr security update
Debian DLA Debian DLA DLA-1382-1 thunderbird security update
Debian DSA Debian DSA DSA-4199-1 firefox-esr security update
Debian DSA Debian DSA DSA-4209-1 thunderbird security update
Ubuntu USN Ubuntu USN USN-3660-1 Thunderbird vulnerabilities
History
Type Values Removed Values Added
First Time appeared Mozilla firefox
CPEs cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
Vendors & Products Mozilla firefox Esr
Mozilla firefox
Weaknesses
  • CWE-119

    Improper Restriction of Operations within the Bounds of a Memory Buffer

  • CWE-120

    Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Sources

Status
PUBLISHED
Assigner
mozilla
Published
Updated
Aug 5, 2024, 5:26 AM
Reserved
Jan 3, 2018, 12:00 AM
Status
Modified
Published
Jun 11, 2018, 9:29 PM
Modified
Jun 17, 2026, 1:59 AM
Severity
Moderate
Public date
May 9, 2018, 12:00 AM