CVE-2017-7786
Mozilla: Buffer overflow while painting non-displayable SVG (MFSA 2017-19)
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Severity
ImportantRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · August 8, 2017
Updated · November 21, 2025
Description
A buffer overflow can occur when the image renderer attempts to paint non-displayable SVG elements. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE-125 · Out-of-bounds Read