CVE-2017-7828
9.8
CRITICAL · CVSS 3.0 · EPSS 7.3% (pctl 94)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
A use-after-free vulnerability can occur when flushing and resizing layout because the "PressShell" object has been freed while still in use. This results in a potentially exploitable crash during these operations. This vulnerability affects Firefox < 57, Firefox ESR < 52.5, and Thunderbird < 52.5.
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 | 7.35% — more likely to be exploited than 94% 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/101832
- http://www.securitytracker.com/id/1039803
- https://access.redhat.com/errata/RHSA-2017:3247
- https://access.redhat.com/errata/RHSA-2017:3372
- https://bugzilla.mozilla.org/show_bug.cgi?id=1406750
- https://bugzilla.mozilla.org/show_bug.cgi?id=1412252
- https://lists.debian.org/debian-lts-announce/2017/11/msg00018.html
- https://lists.debian.org/debian-lts-announce/2017/12/msg00001.html
- https://www.debian.org/security/2017/dsa-4035
- https://www.debian.org/security/2017/dsa-4061
- https://www.debian.org/security/2017/dsa-4075
- https://www.mozilla.org/security/advisories/mfsa2017-24/
- https://www.mozilla.org/security/advisories/mfsa2017-25/
- https://www.mozilla.org/security/advisories/mfsa2017-26/
- http://www.securityfocus.com/bid/101832
- http://www.securitytracker.com/id/1039803
- https://access.redhat.com/errata/RHSA-2017:3247
- https://access.redhat.com/errata/RHSA-2017:3372
- https://bugzilla.mozilla.org/show_bug.cgi?id=1406750
- https://bugzilla.mozilla.org/show_bug.cgi?id=1412252
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