A malicious installed WebExtension could open arbitrary URLs, which under the right circumstance could be leveraged to collect sensitive user data. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.
[
{
"product": "Firefox",
"vendor": "Mozilla",
"versions": [
{
"lessThan": "119",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
},
{
"product": "Firefox ESR",
"vendor": "Mozilla",
"versions": [
{
"lessThan": "115.4",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
},
{
"product": "Thunderbird",
"vendor": "Mozilla",
"versions": [
{
"lessThan": "115.4.1",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
]
bugzilla.mozilla.org/show_bug.cgi?id=1845739
lists.debian.org/debian-lts-announce/2023/10/msg00037.html
lists.debian.org/debian-lts-announce/2023/10/msg00042.html
www.debian.org/security/2023/dsa-5535
www.debian.org/security/2023/dsa-5538
www.mozilla.org/security/advisories/mfsa2023-45/
www.mozilla.org/security/advisories/mfsa2023-46/
www.mozilla.org/security/advisories/mfsa2023-47/