vulnerability
MFSA2018-12 Firefox: Security vulnerabilities fixed in Firefox ESR 52.8 (CVE-2018-5157)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:P/I:N/A:N) | May 9, 2018 | May 10, 2018 | Aug 11, 2025 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Published
May 9, 2018
Added
May 10, 2018
Modified
Aug 11, 2025
Description
Same-origin protections for the PDF viewer can be bypassed, allowing a malicious site to intercept messages meant for the viewer. This could allow the site to retrieve PDF files restricted to viewing by an authenticated user on a third-party website. This vulnerability affects Firefox ESR < 52.8 and Firefox < 60.
Solution
mozilla-firefox-esr-upgrade-52_8
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