Use After Free Affecting thunderbird package, versions <0:52.1.0-1.el7_3
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-RHEL7-THUNDERBIRD-4746200
- published26 Jul 2021
- disclosed19 Apr 2017
Introduced: 19 Apr 2017
CVE-2017-5447 (opens in a new tab)How to fix?
Upgrade RHEL:7 thunderbird to version 0:52.1.0-1.el7_3 or higher.
This issue was patched in RHSA-2017:1201.
NVD Description
Note: Versions mentioned in the description apply only to the upstream thunderbird package and not the thunderbird package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
An out-of-bounds read during the processing of glyph widths during text layout. This results in a potentially exploitable crash and could allow an attacker to read otherwise inaccessible memory. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.
References
- http://www.securityfocus.com/bid/97940
- https://bugzilla.mozilla.org/show_bug.cgi?id=1343552
- https://www.mozilla.org/security/advisories/mfsa2017-10/
- https://www.mozilla.org/security/advisories/mfsa2017-11/
- https://www.mozilla.org/security/advisories/mfsa2017-12/
- https://www.mozilla.org/security/advisories/mfsa2017-13/
- https://access.redhat.com/security/cve/CVE-2017-5447
- https://www.debian.org/security/2017/dsa-3831
- https://www.exploit-db.com/exploits/42071/
- https://access.redhat.com/errata/RHSA-2017:1201
- http://www.securitytracker.com/id/1038320