NSS (Network Security Services) versions prior to 3.73 or 3.68.1 ESR are vulnerable to a heap overflow when handling DER-encoded DSA or RSA-PSS signatures. Applications using NSS for handling signatures encoded within CMS, S/MIME, PKCS #7, or PKCS #12 are likely to be impacted. Applications using NSS for certificate validation or other TLS, X.509, OCSP or CRL . MGASA-2021-0534 - Updated nss packages fix security vulnerability Publication date: 02 Dec 2021 URL: https://advisories.mageia.org/MGASA-2021-0534.html Type: security Affected Mageia releases: 8 CVE: CVE-2021-43527 NSS (Network Security Services) versions prior to 3.73 or 3.68.1 ESR are vulnerable to a heap overflow when handling DER-encoded DSA or RSA-PSS signatures. Applications using NSS for handling signatures encoded within CMS, S/MIME, PKCS #7, or PKCS #12 are likely to be impacted. Applications using NSS for certificate validation or other TLS, X.509, OCSP or CRL functionality may be impacted, depending on how they configure NSS (CVE-2021-43527). Note: This vulnerability does NOT impact Mozilla Firefox. However, email clients and PDF viewers that use NSS for signature verification, such as Thunderbird, LibreOffice, Evolution and Evince are believed to be impacted. References: - https://bugs.mageia.org/show_bug.cgi?id=29714 - https://www.mozilla.org/en-US/security/advisories/mfsa2021-51/ - https://www.cve.org/CVERecord?id=CVE-2021-43527 SRPMS: - 8/core/nss-3.73.0-1.mga8 . Mageia 2021-0535 tackles vulnerabilities in OpenSSL concerning certificate validation, affecting numerous software systems.. Mageia Security Update, NSS Vulnerability, Heap Overflow Issue, Network Security Services, Application Security. . Severity: Critical. LinuxSecurity.com Team
Get the latest Linux and open source security news straight to your inbox.