peter bassill · operator
$ cve CVE-2017-7784 JSON

CVE-2017-7784

9.8
CRITICAL · CVSS 3.0 · EPSS 3.6% (pctl 89)

In your normal cycle

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

Description

A use-after-free vulnerability can occur when reading an image observer during frame reconstruction after the observer has been freed. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.

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
EPSS3.57% — more likely to be exploited than 89% of all CVEs
WeaknessCWE-416
On CISA KEVno
Public exploitnone known
Published2018-06-11
Last modified2026-06-17

Affected (10)

VendorProduct
debiandebian linux
mozillafirefox
mozillafirefox esr
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