CVE-2017-5396
Status: ModifiedCritical (9.8)—
A use-after-free vulnerability in the Media Decoder when working with media files when some events are fired after the media elements are freed from memory. This vulnerability affects Thunderbird < 45.7, Firefox ESR < 45.7, and Firefox < 51.
CVSS
- Version: 3.0
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Base score: 9.8
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 4.10%
- Percentile among all scored CVEs: 90
- Score date: 10/7/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Affected technologies (9)
CWEs
- CWE-416
References
- http://rhn.redhat.com/errata/RHSA-2017-0190.html
- http://rhn.redhat.com/errata/RHSA-2017-0238.html
- http://www.securityfocus.com/bid/95769
- http://www.securitytracker.com/id/1037693
- https://bugzilla.mozilla.org/show_bug.cgi?id=1329403
- https://security.gentoo.org/glsa/201702-13
- https://security.gentoo.org/glsa/201702-22
- https://www.debian.org/security/2017/dsa-3771
- https://www.debian.org/security/2017/dsa-3832
- https://www.mozilla.org/security/advisories/mfsa2017-01/
- https://www.mozilla.org/security/advisories/mfsa2017-02/
- https://www.mozilla.org/security/advisories/mfsa2017-03/
- http://rhn.redhat.com/errata/RHSA-2017-0190.html
- http://rhn.redhat.com/errata/RHSA-2017-0238.html
- http://www.securityfocus.com/bid/95769
- http://www.securitytracker.com/id/1037693
- https://bugzilla.mozilla.org/show_bug.cgi?id=1329403
- https://security.gentoo.org/glsa/201702-13
- https://security.gentoo.org/glsa/201702-22
- https://www.debian.org/security/2017/dsa-3771
- https://www.debian.org/security/2017/dsa-3832
- https://www.mozilla.org/security/advisories/mfsa2017-01/
- https://www.mozilla.org/security/advisories/mfsa2017-02/
- https://www.mozilla.org/security/advisories/mfsa2017-03/
Raw JSON (NVD)
Show
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