A use-after-free vulnerability can occur while editing events in form elements on a page, resulting in a potentially exploitable crash. This vulnerability affects Firefox ESR < 52.6 and Thunderbird < 52.6.
[
{
"product": "Firefox ESR",
"vendor": "Mozilla",
"versions": [
{
"lessThan": "52.6",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
},
{
"product": "Thunderbird",
"vendor": "Mozilla",
"versions": [
{
"lessThan": "52.6",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
]
www.securityfocus.com/bid/102771
access.redhat.com/errata/RHSA-2018:0122
access.redhat.com/errata/RHSA-2018:0262
bugzilla.mozilla.org/show_bug.cgi?id=1418922
lists.debian.org/debian-lts-announce/2018/01/msg00030.html
lists.debian.org/debian-lts-announce/2018/01/msg00036.html
www.debian.org/security/2018/dsa-4096
www.debian.org/security/2018/dsa-4102
www.mozilla.org/security/advisories/mfsa2018-03/
www.mozilla.org/security/advisories/mfsa2018-04/