CVE-2019-9817

MEDIUM

Thunderbird <60.7 & Firefox <67 - SSRF

Title source: llm

Description

Images from a different domain can be read using a canvas object in some circumstances. This could be used to steal image data from a different site in violation of same-origin policy. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.

References (4)

[Permissions Required] https://bugzilla.mozilla.org/show_bug.cgi?id=1540221

[Vendor Advisory] https://www.mozilla.org/security/advisories/mfsa2019-13/

[Vendor Advisory] https://www.mozilla.org/security/advisories/mfsa2019-14/

[Vendor Advisory] https://www.mozilla.org/security/advisories/mfsa2019-15/

Scores

CVSS v3 5.3

EPSS 0.0019

EPSS Percentile 40.8%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Classification

CWE

CWE-346

Status published

Affected Products (3)

mozilla/firefox < 67.0

mozilla/firefox_esr < 60.7

mozilla/thunderbird < 60.7

Timeline

Published Jul 23, 2019

Tracked Since Feb 18, 2026