{"id":"CVE-2021-3326","title":"The iconv function in the GNU C Library (aka glibc or libc6) 2.32 and earlier, when processing invalid input sequences in the ISO-2022-JP-3 encoding, fails an assertion in the code path and aborts the program, potentially resulting in a …","summary":"The iconv function in the GNU C Library (aka glibc or libc6) 2.32 and earlier, when processing invalid input sequences in the ISO-2022-JP-3 encoding, fails an assertion in the code path and aborts the program, potentially resulting in a …","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-617","CWE-617"],"vendor":"gnu","product":"glibc","affected":["glibc <= 2.32.0","e-series_santricity_os_controller >= 11.0, <= 11.60.3","ontap_select_deploy_administration_utility","communications_cloud_native_core_security_edge_protection_proxy = 1.5.0","m10-1_firmware < xcp2410","m10-4_firmware < xcp2410","m10-4s_firmware < xcp2410","m12-1_firmware < xcp2410","m12-2_firmware < xcp2410","m12-2s_firmware < xcp2410","m10-1_firmware < xcp3110","m10-4_firmware < xcp3110","m10-4s_firmware < xcp3110","m12-1_firmware < xcp3110","m12-2_firmware < xcp3110","m12-2s_firmware < xcp3110","debian_linux = 10.0"],"patched":["m10-1_firmware xcp3110","m10-4_firmware xcp3110","m10-4s_firmware xcp3110","m12-1_firmware xcp3110","m12-2_firmware xcp3110","m12-2s_firmware xcp3110"],"published":"2021-01-27","updated":"2026-10-14","sourceUpdated":"2026-10-14T10:17:41.007","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2021-3326","references":[{"url":"http://www.openwall.com/lists/oss-security/2021/01/28/2","label":"cve@mitre.org"},{"url":"https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html","label":"cve@mitre.org"},{"url":"https://security.gentoo.org/glsa/202107-07","label":"cve@mitre.org"},{"url":"https://security.netapp.com/advisory/ntap-20210304-0007/","label":"cve@mitre.org"},{"url":"https://sourceware.org/bugzilla/show_bug.cgi?id=27256","label":"cve@mitre.org"},{"url":"https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=7d88c6142c6efc160c0ee5e4f85cde382c072888","label":"cve@mitre.org"},{"url":"https://www.oracle.com/security-alerts/cpuapr2022.html","label":"cve@mitre.org"},{"url":"https://www.oracle.com/security-alerts/cpujan2022.html","label":"cve@mitre.org"},{"url":"http://www.openwall.com/lists/oss-security/2021/01/28/2","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/202107-07","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20210304-0007/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://sourceware.org/bugzilla/show_bug.cgi?id=27256","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=7d88c6142c6efc160c0ee5e4f85cde382c072888","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.oracle.com/security-alerts/cpuapr2022.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.oracle.com/security-alerts/cpujan2022.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-398330.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-831302.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd"],"epss":0.03093,"epssPercentile":0.8741,"ingestedAt":"2026-10-14T10:25:41.188Z","slug":"CVE-2021-3326","body":"## Overview\n\nThe iconv function in the GNU C Library (aka glibc or libc6) 2.32 and earlier, when processing invalid input sequences in the ISO-2022-JP-3 encoding, fails an assertion in the code path and aborts the program, potentially resulting in a denial of service.\n\n## Affected\n\n- `glibc <= 2.32.0`\n- `e-series_santricity_os_controller >= 11.0, <= 11.60.3`\n- `ontap_select_deploy_administration_utility`\n- `communications_cloud_native_core_security_edge_protection_proxy = 1.5.0`\n- `m10-1_firmware < xcp2410`\n- `m10-4_firmware < xcp2410`\n- `m10-4s_firmware < xcp2410`\n- `m12-1_firmware < xcp2410`\n- `m12-2_firmware < xcp2410`\n- `m12-2s_firmware < xcp2410`\n- `m10-1_firmware < xcp3110`\n- `m10-4_firmware < xcp3110`\n- `m10-4s_firmware < xcp3110`\n- `m12-1_firmware < xcp3110`\n- `m12-2_firmware < xcp3110`\n- `m12-2s_firmware < xcp3110`\n- `debian_linux = 10.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `m10-1_firmware xcp3110`\n- `m10-4_firmware xcp3110`\n- `m10-4s_firmware xcp3110`\n- `m12-1_firmware xcp3110`\n- `m12-2_firmware xcp3110`\n- `m12-2s_firmware xcp3110`","depth":"twilight","depthScore":42,"depthScoreParts":{"impact":41.3,"likelihood":0.6,"exploitation":0,"ransomware":0},"changes":[]}