CVE-2019-11727 log

Source	CVE Red Hat MITRE NVD Debian Ubuntu SUSE Alpine Mageia CVE Details CIRCL Bugs Arch Linux Red Hat Gentoo SUSE GitHub Lists oss-security full-disclosure bugtraq Misc GitHub code web search
Severity	Low
Remote	Yes
Type	Silent downgrade
Description	A vulnerability exists in Firefox before 68.0 where it is possible to force Network Security Services (NSS) to sign CertificateVerify with PKCS#1 v1.5 signatures when those are the only ones advertised by server in CertificateRequest in TLS 1.3. PKCS#1 v1.5 signatures should not be used for TLS 1.3 messages.

Group	Package	Affected	Fixed	Severity	Status	Ticket
AVG-1002	firefox	67.0.4-2	68.0-1	Critical	Fixed

Date	Advisory	Group	Package	Severity	Type
17 Jul 2019	ASA-201907-4	AVG-1002	firefox	Critical	multiple issues

References
https://www.mozilla.org/en-US/security/advisories/mfsa2019-21/#CVE-2019-11727 https://bugzilla.mozilla.org/show_bug.cgi?id=1552208