CVE-2018-18498
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 4.0%
exploitation probability
4.0%top 10% of all CVEs
observed exploitation
nono source reports it
A potential vulnerability leading to an integer overflow can occur during buffer size calculations for images when a raw value is used instead of the checked value. This leads to a possible out-of-bounds write. This vulnerability affects Thunderbird < 60.4, Firefox ESR < 60.4, and Firefox < 64.
References
https://access.redhat.com/errata/RHSA-2018:3831https://access.redhat.com/errata/RHSA-2018:3833https://access.redhat.com/errata/RHSA-2019:0159https://access.redhat.com/errata/RHSA-2019:0160https://bugzilla.mozilla.org/show_bug.cgi?id=1500011https://lists.debian.org/debian-lts-announce/2018/12/msg00002.htmlhttps://security.gentoo.org/glsa/201903-04https://usn.ubuntu.com/3844-1/https://usn.ubuntu.com/3868-1/https://www.debian.org/security/2018/dsa-4354https://www.debian.org/security/2019/dsa-4362https://www.mozilla.org/security/advisories/mfsa2018-29/