A suspected race condition when calling getaddrinfo led to memory corruption and a potentially exploitable crash. Note: This issue only affected Linux operating systems. Other operating systems are unaffected. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.
[
{
"product": "Thunderbird",
"vendor": "Mozilla",
"versions": [
{
"lessThan": "78.13",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
},
{
"lessThan": "91",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
},
{
"product": "Firefox ESR",
"vendor": "Mozilla",
"versions": [
{
"lessThan": "78.13",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
},
{
"product": "Firefox",
"vendor": "Mozilla",
"versions": [
{
"lessThan": "91",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
]
bugzilla.mozilla.org/show_bug.cgi?id=1696138
security.gentoo.org/glsa/202202-03
security.gentoo.org/glsa/202208-14
www.mozilla.org/security/advisories/mfsa2021-33/
www.mozilla.org/security/advisories/mfsa2021-34/
www.mozilla.org/security/advisories/mfsa2021-35/
www.mozilla.org/security/advisories/mfsa2021-36/