{"id":"ALPINE-CVE-2021-46828","details":"In libtirpc before 1.3.3rc1, remote attackers could exhaust the file descriptors of a process that uses libtirpc because idle TCP connections are mishandled. This can, in turn, lead to an svc_run infinite loop without accepting new connections.","modified":"2026-03-09T01:25:12.427464Z","published":"2022-07-20T06:15:07.907Z","upstream":["CVE-2021-46828"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2021-46828"}],"affected":[{"package":{"name":"libtirpc","ecosystem":"Alpine:v3.13","purl":"pkg:apk/alpine/libtirpc?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.1-r1"}]}],"versions":["0.2.1-r0","0.2.1-r1","0.2.1-r2","0.2.1-r3","0.2.1-r4","0.2.2-r0","0.2.2-r1","0.2.2-r2","0.2.2-r3","0.2.3-r0","0.2.3-r1","0.2.4-r0","0.2.4-r1","0.2.4-r2","0.2.4-r3","0.2.5-r0","0.2.5-r1","0.2.5-r2","0.2.5-r3","0.3.0-r0","0.3.0-r1","0.3.1-r0","0.3.1-r1","0.3.2-r0","0.3.2-r1","0.3.2-r2","1.0.1-r0","1.0.1-r1","1.0.1-r2","1.0.3-r0","1.1.4-r0","1.2.5-r0","1.2.5-r1","1.2.5-r2","1.2.5-r3","1.2.6-r0","1.3.1-r0"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-46828.json"}},{"package":{"name":"libtirpc","ecosystem":"Alpine:v3.14","purl":"pkg:apk/alpine/libtirpc?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.2-r1"}]}],"versions":["0.2.1-r0","0.2.1-r1","0.2.1-r2","0.2.1-r3","0.2.1-r4","0.2.2-r0","0.2.2-r1","0.2.2-r2","0.2.2-r3","0.2.3-r0","0.2.3-r1","0.2.4-r0","0.2.4-r1","0.2.4-r2","0.2.4-r3","0.2.5-r0","0.2.5-r1","0.2.5-r2","0.2.5-r3","0.3.0-r0","0.3.0-r1","0.3.1-r0","0.3.1-r1","0.3.2-r0","0.3.2-r1","0.3.2-r2","1.0.1-r0","1.0.1-r1","1.0.1-r2","1.0.3-r0","1.1.4-r0","1.2.5-r0","1.2.5-r1","1.2.5-r2","1.2.5-r3","1.2.6-r0","1.3.1-r0","1.3.2-r0"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-46828.json"}},{"package":{"name":"libtirpc","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/libtirpc?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.2-r1"}]}],"versions":["0.2.1-r0","0.2.1-r1","0.2.1-r2","0.2.1-r3","0.2.1-r4","0.2.2-r0","0.2.2-r1","0.2.2-r2","0.2.2-r3","0.2.3-r0","0.2.3-r1","0.2.4-r0","0.2.4-r1","0.2.4-r2","0.2.4-r3","0.2.5-r0","0.2.5-r1","0.2.5-r2","0.2.5-r3","0.3.0-r0","0.3.0-r1","0.3.1-r0","0.3.1-r1","0.3.2-r0","0.3.2-r1","0.3.2-r2","1.0.1-r0","1.0.1-r1","1.0.1-r2","1.0.3-r0","1.1.4-r0","1.2.5-r0","1.2.5-r1","1.2.5-r2","1.2.5-r3","1.2.6-r0","1.3.1-r0","1.3.2-r0"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-46828.json"}},{"package":{"name":"libtirpc","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/libtirpc?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.2-r1"}]}],"versions":["0.2.1-r0","0.2.1-r1","0.2.1-r2","0.2.1-r3","0.2.1-r4","0.2.2-r0","0.2.2-r1","0.2.2-r2","0.2.2-r3","0.2.3-r0","0.2.3-r1","0.2.4-r0","0.2.4-r1","0.2.4-r2","0.2.4-r3","0.2.5-r0","0.2.5-r1","0.2.5-r2","0.2.5-r3","0.3.0-r0","0.3.0-r1","0.3.1-r0","0.3.1-r1","0.3.2-r0","0.3.2-r1","0.3.2-r2","1.0.1-r0","1.0.1-r1","1.0.1-r2","1.0.3-r0","1.1.4-r0","1.2.5-r0","1.2.5-r1","1.2.5-r2","1.2.5-r3","1.2.6-r0","1.3.1-r0","1.3.2-r0"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-46828.json"}},{"package":{"name":"libtirpc","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/libtirpc?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.2-r2"}]}],"versions":["0.2.1-r0","0.2.1-r1","0.2.1-r2","0.2.1-r3","0.2.1-r4","0.2.2-r0","0.2.2-r1","0.2.2-r2","0.2.2-r3","0.2.3-r0","0.2.3-r1","0.2.4-r0","0.2.4-r1","0.2.4-r2","0.2.4-r3","0.2.5-r0","0.2.5-r1","0.2.5-r2","0.2.5-r3","0.3.0-r0","0.3.0-r1","0.3.1-r0","0.3.1-r1","0.3.2-r0","0.3.2-r1","0.3.2-r2","1.0.1-r0","1.0.1-r1","1.0.1-r2","1.0.3-r0","1.1.4-r0","1.2.5-r0","1.2.5-r1","1.2.5-r2","1.2.5-r3","1.2.6-r0","1.3.1-r0","1.3.2-r0","1.3.2-r1"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-46828.json"}},{"package":{"name":"libtirpc","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/libtirpc?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.2-r2"}]}],"versions":["0.2.1-r0","0.2.1-r1","0.2.1-r2","0.2.1-r3","0.2.1-r4","0.2.2-r0","0.2.2-r1","0.2.2-r2","0.2.2-r3","0.2.3-r0","0.2.3-r1","0.2.4-r0","0.2.4-r1","0.2.4-r2","0.2.4-r3","0.2.5-r0","0.2.5-r1","0.2.5-r2","0.2.5-r3","0.3.0-r0","0.3.0-r1","0.3.1-r0","0.3.1-r1","0.3.2-r0","0.3.2-r1","0.3.2-r2","1.0.1-r0","1.0.1-r1","1.0.1-r2","1.0.3-r0","1.1.4-r0","1.2.5-r0","1.2.5-r1","1.2.5-r2","1.2.5-r3","1.2.6-r0","1.3.1-r0","1.3.2-r0","1.3.2-r1"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-46828.json"}},{"package":{"name":"libtirpc","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/libtirpc?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"intr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