CVE-2019-9797

MEDIUM

Firefox < 66 - Info Disclosure

Title source: llm

Description

Cross-origin images can be read in violation of the same-origin policy by exporting an image after using createImageBitmap to read the image and then rendering the resulting bitmap image within a canvas element. This vulnerability affects Firefox < 66.

References (19)

[Mailing List] http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00002.html

[Mailing List] http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00029.html

[Mailing List] http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00084.html

[Vendor Advisory] https://access.redhat.com/errata/RHSA-2019:1265

[Vendor Advisory] https://access.redhat.com/errata/RHSA-2019:1267

[Issue Tracking, Permissions Required, Vendor Advisory] https://bugzilla.mozilla.org/show_bug.cgi?id=1528909

[Mailing List] https://lists.debian.org/debian-lts-announce/2019/05/msg00032.html

[Mailing List] https://lists.debian.org/debian-lts-announce/2019/05/msg00038.html

[Vendor Advisory] https://usn.ubuntu.com/3997-1/

[Vendor Advisory] https://www.mozilla.org/security/advisories/mfsa2019-07/

[Third Party Advisory] https://www.debian.org/security/2019/dsa-4448

[Third Party Advisory] https://www.debian.org/security/2019/dsa-4451

[Vendor Advisory] https://access.redhat.com/errata/RHSA-2019:1269

[Vendor Advisory] https://access.redhat.com/errata/RHSA-2019:1308

[Vendor Advisory] https://access.redhat.com/errata/RHSA-2019:1309

[Vendor Advisory] https://access.redhat.com/errata/RHSA-2019:1310

[Mailing List] https://seclists.org/bugtraq/2019/May/56

[Mailing List] https://seclists.org/bugtraq/2019/May/59

[Mailing List] https://seclists.org/bugtraq/2019/May/67

Scores

CVSS v3 5.3

EPSS 0.0049

EPSS Percentile 65.1%

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 (1)

mozilla/firefox < 66.0

Timeline

Published Apr 26, 2019

Tracked Since Feb 18, 2026