CVE-2019-11727
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2019-11727
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-11727.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2019-11727
- Downstream
- Related
- Published
- 2019-07-23T14:15:16Z
- Modified
- 2025-08-09T19:01:28Z
- Severity
-
- 5.3 (Medium) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N CVSS Calculator
- Summary
- [none]
- Details
-
A vulnerability exists where it 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. This vulnerability affects Firefox < 68.
- References
-
- https://access.redhat.com/errata/RHSA-2019:1951
- https://bugzilla.mozilla.org/show_bug.cgi?id=1552208
- https://security.gentoo.org/glsa/201908-12
- https://www.mozilla.org/security/advisories/mfsa2019-21/
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00006.html