CVE-2017-5400
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
JIT-spray targeting asm.js combined with a heap spray allows for a bypass of ASLR and DEP protections leading to potential memory corruption attacks. This vulnerability affects Firefox < 52, Firefox ESR < 45.8, Thunderbird < 52, and Thunderbird < 45.8.
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 | 3.58% — more likely to be exploited than 89% of all CVEs |
| Weakness | CWE-119 |
| 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://rhn.redhat.com/errata/RHSA-2017-0459.html
- http://rhn.redhat.com/errata/RHSA-2017-0461.html
- http://rhn.redhat.com/errata/RHSA-2017-0498.html
- http://www.securityfocus.com/bid/96654
- http://www.securitytracker.com/id/1037966
- https://bugzilla.mozilla.org/show_bug.cgi?id=1334933
- https://security.gentoo.org/glsa/201705-06
- https://security.gentoo.org/glsa/201705-07
- https://www.debian.org/security/2017/dsa-3805
- https://www.debian.org/security/2017/dsa-3832
- https://www.mozilla.org/security/advisories/mfsa2017-05/
- https://www.mozilla.org/security/advisories/mfsa2017-06/
- https://www.mozilla.org/security/advisories/mfsa2017-07/
- https://www.mozilla.org/security/advisories/mfsa2017-09/
- http://rhn.redhat.com/errata/RHSA-2017-0459.html
- http://rhn.redhat.com/errata/RHSA-2017-0461.html
- http://rhn.redhat.com/errata/RHSA-2017-0498.html
- http://www.securityfocus.com/bid/96654
- http://www.securitytracker.com/id/1037966
- https://bugzilla.mozilla.org/show_bug.cgi?id=1334933
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