CVE-2018-12387
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 9.6%
exploitation probability
9.6%top 5% of all CVEs
observed exploitation
nono source reports it
A vulnerability where the JavaScript JIT compiler inlines Array.prototype.push with multiple arguments that results in the stack pointer being off by 8 bytes after a bailout. This leaks a memory address to the calling function which can be used as part of an exploit inside the sandboxed content process. This vulnerability affects Firefox ESR < 60.2.2 and Firefox < 62.0.3.
References
https://access.redhat.com/errata/RHSA-2018:2881https://access.redhat.com/errata/RHSA-2018:2884https://bugzilla.mozilla.org/show_bug.cgi?id=1493903https://security.gentoo.org/glsa/201810-01https://usn.ubuntu.com/3778-1/https://www.debian.org/security/2018/dsa-4310https://www.mozilla.org/security/advisories/mfsa2018-24/http://www.securityfocus.com/bid/105460http://www.securitytracker.com/id/1041770