{"id":"CVE-2020-29562","details":"The iconv function in the GNU C Library (aka glibc or libc6) 2.30 to 2.32, when converting UCS4 text containing an irreversible character, fails an assertion in the code path and aborts the program, potentially resulting in a denial of service.","modified":"2026-03-17T22:51:29.323400Z","published":"2020-12-04T07:15:11.003Z","related":["MGASA-2021-0053","SUSE-SU-2021:0653-1","SUSE-SU-2021:1165-1","SUSE-SU-2022:2886-1","SUSE-SU-2024:0759-1","openSUSE-SU-2021:0358-1","openSUSE-SU-2024:10792-1"],"references":[{"type":"WEB","url":"https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TVCUNLQ3HXGS4VPUQKWTJGRAW2KTFGXS/"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202101-20"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20210122-0004/"},{"type":"FIX","url":"https://sourceware.org/bugzilla/show_bug.cgi?id=26923"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://sourceware.org/git/glibc.git","events":[{"introduced":"0a8262a1b269f8f1602933248e69dfb041aab7a2"},{"last_affected":"3de512be7ea6053255afed6154db9ee31d4e557a"}],"database_specific":{"versions":[{"introduced":"2.30"},{"last_affected":"2.32"}]}}],"versions":["changelog-ends-here","glibc-2.30","glibc-2.30.9000","glibc-2.31","glibc-2.31.9000","glibc-2.32"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-29562.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"32"}]},{"events":[{"introduced":"11.0.0"},{"last_affected":"11.60.3"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H"}]}