Use After Free Affecting firefox package, versions <0:52.3.0-3.el6_9
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-CENTOS6-FIREFOX-2142848
- published26 Jul 2021
- disclosed9 Aug 2017
Introduced: 9 Aug 2017
CVE-2017-7809 (opens in a new tab)How to fix?
Upgrade Centos:6 firefox to version 0:52.3.0-3.el6_9 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by Centos.
See How to fix? for Centos:6 relevant fixed versions and status.
A use-after-free vulnerability can occur when an editor DOM node is deleted prematurely during tree traversal while still bound to the document. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.
References
- http://www.securityfocus.com/bid/100203
- https://bugzilla.mozilla.org/show_bug.cgi?id=1380284
- https://www.mozilla.org/security/advisories/mfsa2017-18/
- https://www.mozilla.org/security/advisories/mfsa2017-19/
- https://www.mozilla.org/security/advisories/mfsa2017-20/
- https://access.redhat.com/security/cve/CVE-2017-7809
- https://www.debian.org/security/2017/dsa-3928
- https://www.debian.org/security/2017/dsa-3968
- https://security.gentoo.org/glsa/201803-14
- https://access.redhat.com/errata/RHSA-2017:2456
- http://www.securitytracker.com/id/1039124