NSS has shown timing differences when performing DSA signatures, which was exploitable and could eventually leak private keys. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR < 68.9.
[
{
"product": "Thunderbird",
"vendor": "Mozilla",
"versions": [
{
"lessThan": "68.9.0",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
},
{
"product": "Firefox",
"vendor": "Mozilla",
"versions": [
{
"lessThan": "77",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
},
{
"product": "Firefox ESR",
"vendor": "Mozilla",
"versions": [
{
"lessThan": "68.9",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
]
bugzilla.mozilla.org/show_bug.cgi?id=1631576
lists.debian.org/debian-lts-announce/2020/09/msg00029.html
security.gentoo.org/glsa/202007-49
usn.ubuntu.com/4421-1/
www.debian.org/security/2020/dsa-4726
www.mozilla.org/security/advisories/mfsa2020-20/
www.mozilla.org/security/advisories/mfsa2020-21/
www.mozilla.org/security/advisories/mfsa2020-22/