CVE-2017-5455 Affecting firefox package, versions *
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL10-FIREFOX-22212800
- published5 Nov 2026
- disclosed19 Apr 2017
Introduced: 19 Apr 2017
CVE-2017-5455 (opens in a new tab)How to fix?
There is no fixed version for RHEL:10 firefox.
NVD Description
Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by RHEL.
See How to fix? for RHEL:10 relevant fixed versions and status.
The internal feed reader APIs that crossed the sandbox barrier allowed for a sandbox escape and escalation of privilege if combined with another vulnerability that resulted in remote code execution inside the sandboxed process. This vulnerability affects Firefox ESR < 52.1 and Firefox < 53.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1443334
- https://access.redhat.com/security/cve/CVE-2017-5455
- http://www.securityfocus.com/bid/97940
- http://www.securitytracker.com/id/1038320
- https://access.redhat.com/errata/RHSA-2017:1106
- https://bugzilla.mozilla.org/show_bug.cgi?id=1341191
- https://www.mozilla.org/security/advisories/mfsa2017-10/
- https://www.mozilla.org/security/advisories/mfsa2017-12/