{"id":"RLSA-2021:1206","summary":"Important: gnutls and nettle security update","details":"The gnutls packages provide the GNU Transport Layer Security (GnuTLS) library, which implements cryptographic algorithms and protocols such as SSL, TLS, and DTLS.\n\nNettle is a cryptographic library that is designed to fit easily in almost any context: In crypto toolkits for object-oriented languages, such as C++, Python, or Pike, in applications like LSH or GNUPG, or even in kernel space.\n\nSecurity Fix(es):\n\n* nettle: Out of bounds memory access in signature verification (CVE-2021-20305)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","modified":"2026-03-11T05:55:34.012623Z","published":"2021-04-14T20:07:45Z","upstream":["CVE-2021-20305"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2021:1206"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1942533"}],"affected":[{"package":{"name":"gnutls","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/gnutls?distro=rocky-linux-8-4-legacy&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.6.14-8.el8_3"}],"database_specific":{"yum_repository":"BaseOS"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2021:1206.json"}},{"package":{"name":"nettle","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/nettle?distro=rocky-linux-8-4-legacy&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.4.1-4.el8_4"}],"database_specific":{"yum_repository":"BaseOS"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2021:1206.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}