An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
[
{
"product": "Thunderbird",
"vendor": "Mozilla",
"versions": [
{
"lessThan": "91.4.0",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
},
{
"product": "Firefox ESR",
"vendor": "Mozilla",
"versions": [
{
"lessThan": "91.4.0",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
},
{
"product": "Firefox",
"vendor": "Mozilla",
"versions": [
{
"lessThan": "95",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
]
bugzilla.mozilla.org/show_bug.cgi?id=1738237
lists.debian.org/debian-lts-announce/2021/12/msg00030.html
lists.debian.org/debian-lts-announce/2022/01/msg00001.html
security.gentoo.org/glsa/202202-03
security.gentoo.org/glsa/202208-14
www.debian.org/security/2021/dsa-5026
www.debian.org/security/2022/dsa-5034
www.mozilla.org/security/advisories/mfsa2021-52/
www.mozilla.org/security/advisories/mfsa2021-53/
www.mozilla.org/security/advisories/mfsa2021-54/