9.8crit
CVE-2017-7784
A use-after-free vulnerability can occur when reading an image observer during frame reconstruction after the observer has been freed.
Published 8 y ago · modified 4 mo ago · JSON
CVSS
9.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
3.5%
percentile 89%
Public exploits
0
none known
Summary
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.
Exploit prediction (EPSS)
3.50% probability of exploitation in the next 30 days, higher than 89% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.0 | 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
- CWE-416 Use After Free
References
- mozilla.org /security/advisories/mfsa2017-19/ · x_refsource_CONFIRM, x_transferred
- mozilla.org /security/advisories/mfsa2017-20/ · x_refsource_CONFIRM, x_transferred
- debian.org /security/2017/dsa-3968 · vendor-advisory, x_refsource_DEBIAN, x_transferred
- mozilla.org /security/advisories/mfsa2017-18/ · x_refsource_CONFIRM, x_transferred
- access.redhat.com /errata/RHSA-2017:2456 · vendor-advisory, x_refsource_REDHAT, x_transferred
- access.redhat.com /errata/RHSA-2017:2534 · vendor-advisory, x_refsource_REDHAT, x_transferred
- securityfocus.com /bid/100202 · vdb-entry, x_refsource_BID, x_transferred
- securitytracker.com /id/1039124 · vdb-entry, x_refsource_SECTRACK, x_transferred
- security.gentoo.org /glsa/201803-14 · vendor-advisory, x_refsource_GENTOO, x_transferred
- bugzilla.mozilla.org /show_bug.cgi?id=1376087 · x_refsource_CONFIRM, x_transferred
- debian.org /security/2017/dsa-3928 · vendor-advisory, x_refsource_DEBIAN, x_transferred
Sources
- CVE List: CVE-2017-7784
- NVD: CVE-2017-7784
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