CVE-2017-7819
9.8
CRITICAL · CVSS 3.0 · EPSS 3.4% (pctl 88)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
A use-after-free vulnerability can occur in design mode when image objects are resized if objects referenced during the resizing have been freed from memory. This results in a potentially exploitable crash. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.
Scoring
| CVSS | 9.8 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 3.38% — more likely to be exploited than 88% of all CVEs |
| Weakness | CWE-416 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2018-06-11 |
| Last modified | 2026-06-17 |
Affected (8)
| Vendor | Product |
|---|---|
| debian | debian linux |
| mozilla | firefox |
| mozilla | thunderbird |
| redhat | enterprise linux desktop |
| redhat | enterprise linux server |
| redhat | enterprise linux server aus |
| redhat | enterprise linux server eus |
| redhat | enterprise linux workstation |
References
- http://www.securityfocus.com/bid/101055
- http://www.securitytracker.com/id/1039465
- https://access.redhat.com/errata/RHSA-2017:2831
- https://access.redhat.com/errata/RHSA-2017:2885
- https://bugzilla.mozilla.org/show_bug.cgi?id=1380292
- https://lists.debian.org/debian-lts-announce/2017/11/msg00000.html
- https://security.gentoo.org/glsa/201803-14
- https://www.debian.org/security/2017/dsa-3987
- https://www.debian.org/security/2017/dsa-4014
- https://www.mozilla.org/security/advisories/mfsa2017-21/
- https://www.mozilla.org/security/advisories/mfsa2017-22/
- https://www.mozilla.org/security/advisories/mfsa2017-23/
- http://www.securityfocus.com/bid/101055
- http://www.securitytracker.com/id/1039465
- https://access.redhat.com/errata/RHSA-2017:2831
- https://access.redhat.com/errata/RHSA-2017:2885
- https://bugzilla.mozilla.org/show_bug.cgi?id=1380292
- https://lists.debian.org/debian-lts-announce/2017/11/msg00000.html
- https://security.gentoo.org/glsa/201803-14
- https://www.debian.org/security/2017/dsa-3987
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