DEBIAN-CVE-2018-18498
Advisory lineage Upstream: 1 Downstream: 4
Upstream
Downstream
Published: 28 Feb 2019, 18:29
Last modified:28 Apr 2026, 20:19
Vulnerability Summary
Overall Risk (default)
high
70/100 CVSS Score
9.8 CRITICAL
3.0 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
28 Feb 2019, 18:29
Published
Vulnerability first disclosed
28 Apr 2026, 20:19
Last Modified
Vulnerability information updated
Description
A potential vulnerability leading to an integer overflow can occur during buffer size calculations for images when a raw value is used instead of the checked value. This leads to a possible out-of-bounds write. This vulnerability affects Thunderbird < 60.4, Firefox ESR < 60.4, and Firefox < 64.
CVSS Metrics
- v3.0•CRITICAL•Score: 9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Systems
- debian•firefox-esr
< 60.4.0esr-1 | < 60.4.0esr-1 | < 60.4.0esr-1 | < 60.4.0esr-1
- debian•thunderbird
< 1:60.4.0-1 | < 1:60.4.0-1 | < 1:60.4.0-1 | < 1:60.4.0-1