peter bassill · operator
$ cve CVE-2017-5396 JSON

CVE-2017-5396

9.8
CRITICAL · CVSS 3.0 · EPSS 4.1% (pctl 90)

In your normal cycle

Critical by CVSS (9.8), but no sign of active exploitation.

Description

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.

Scoring

CVSS9.8 (CRITICAL, v3.0)
VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS4.1% — more likely to be exploited than 90% of all CVEs
WeaknessCWE-416
On CISA KEVno
Public exploitnone known
Published2018-06-11
Last modified2026-06-17

Affected (9)

VendorProduct
debiandebian linux
mozillafirefox
mozillathunderbird
redhatenterprise linux
redhatenterprise linux desktop
redhatenterprise linux server
redhatenterprise linux server aus
redhatenterprise linux server eus
redhatenterprise linux workstation

References

→ the Explorer  ·  watch your stack  ·  NVD