{"id":"CVE-2020-27618","state":"PUBLISHED","title":"The iconv function in the GNU C Library (aka glibc or libc6) 2.32 and earlier, when processing invalid multi-byte input sequences in IBM1364, IBM1371, IBM1388, IBM1390, and IBM1399","description":"The iconv function in the GNU C Library (aka glibc or libc6) 2.32 and earlier, when processing invalid multi-byte input sequences in IBM1364, IBM1371, IBM1388, IBM1390, and IBM1399 encodings, fails to advance the input state, which could lead to an infinite loop in applications, resulting in a denial of service, a different vulnerability from CVE-2016-10228.","publishedAt":"2021-02-26T00:00:00.000Z","updatedAt":"2026-10-14T09:40:00.533Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://sourceware.org/bugzilla/show_bug.cgi?id=26224","https://sourceware.org/bugzilla/show_bug.cgi?id=19519#c21","https://security.gentoo.org/glsa/202107-07","https://www.oracle.com/security-alerts/cpujan2022.html","https://security.netapp.com/advisory/ntap-20210401-0006/","https://www.oracle.com/security-alerts/cpuapr2022.html","https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html","https://cert-portal.siemens.com/productcert/html/ssa-831302.html","https://cert-portal.siemens.com/productcert/html/ssa-398330.html"],"weaknesses":["CWE-835"],"ingestedAt":"2026-10-29T19:47:11.046Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2020/27xxx/CVE-2020-27618.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2020-27618","state":"PUBLISHED","datePublished":"2021-02-26T00:00:00.000Z","dateUpdated":"2026-10-14T09:40:00.533Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2020-10-22T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"The iconv function in the GNU C Library (aka glibc or libc6) 2.32 and earlier, when processing invalid multi-byte input sequences in IBM1364, IBM1371, IBM1388, IBM1390, and IBM1399 encodings, fails to advance the input state, which could lead to an infinite loop in applications, resulting in a denial of service, a different vulnerability from CVE-2016-10228."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://sourceware.org/bugzilla/show_bug.cgi?id=26224"},{"url":"https://sourceware.org/bugzilla/show_bug.cgi?id=19519#c21"},{"url":"https://security.gentoo.org/glsa/202107-07","name":"GLSA-202107-07","tags":["vendor-advisory"]},{"url":"https://www.oracle.com/security-alerts/cpujan2022.html"},{"url":"https://security.netapp.com/advisory/ntap-20210401-0006/"},{"url":"https://www.oracle.com/security-alerts/cpuapr2022.html"},{"url":"https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html","name":"[debian-lts-announce] 20221017 [SECURITY] [DLA 3152-1] glibc security update","tags":["mailing-list"]}],"problemTypes":[{"descriptions":[{"type":"text","lang":"en","description":"n/a"}]}],"providerMetadata":{"shortName":"mitre","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateUpdated":"2022-10-17T00:00:00.000Z"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://sourceware.org/bugzilla/show_bug.cgi?id=26224","tags":["x_transferred"]},{"url":"https://sourceware.org/bugzilla/show_bug.cgi?id=19519#c21","tags":["x_transferred"]},{"url":"https://security.gentoo.org/glsa/202107-07","name":"GLSA-202107-07","tags":["vendor-advisory","x_transferred"]},{"url":"https://www.oracle.com/security-alerts/cpujan2022.html","tags":["x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20210401-0006/","tags":["x_transferred"]},{"url":"https://www.oracle.com/security-alerts/cpuapr2022.html","tags":["x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html","name":"[debian-lts-announce] 20221017 [SECURITY] [DLA 3152-1] glibc security update","tags":["mailing-list","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T16:18:45.458Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-06-09T15:14:58.724788Z","id":"CVE-2020-27618","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-835","type":"CWE","lang":"en","description":"CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-06-09T15:15:47.186Z"}},{"affected":[{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.0","status":"affected","lessThan":"V3.1.5","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.0","status":"affected","lessThan":"V3.1.5","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.0","status":"affected","lessThan":"V3.1.5","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.0","status":"affected","lessThan":"V3.1.5","versionType":"custom"}]},{"vendor":"Siemens","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.0","status":"affected","lessThan":"V3.1.5","versionType":"custom"}]}],"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-831302.html"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-398330.html"}],"providerMetadata":{"shortName":"siemens-SADP","orgId":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","dateUpdated":"2026-10-14T09:40:00.533Z"},"x_adpType":"supplier"}]}}}