{"affected":[{"defaultStatus":"unaffected","product":"glibc","source":"CNA: glibc","vendor":"The GNU C Library","versions":[{"lessThanOrEqual":"2.31","status":"affected","version":"2.18","versionType":"custom"}]}],"cveId":"CVE-2026-122054","cwes":["CWE-835"],"description":"Converting crafted BIG-HKSCS input to UCS-4 or the internal wide character encoding, for example with iconv, in the GNU C Library version 2.18 through 2.31 may result in the converter making no progress, causing the calling application to hang.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":5.9,"severity":"medium","source":"CNA: glibc","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}],"modifiedAt":1793819075774,"publishedAt":1793812658321,"references":[{"source":"CNA: glibc","tags":["issue-tracking"],"url":"https://sourceware.org/bugzilla/show_bug.cgi?id=25734"},{"source":"CNA: glibc","tags":["vendor-advisory"],"url":"https://sourceware.org/git/?p=glibc.git;a=blob_plain;f=advisories/GLIBC-SA-2026-0026"},{"source":"ADP: CVE","tags":[],"url":"http://www.openwall.com/lists/oss-security/2026/11/04/10"}],"remediation":[],"revision":"463d7dcc236cded2b2910dced5a0e5dee816521e305545b7d3a14fe229af53ac","sources":[{"modifiedAt":1793819075774,"name":"CNA: glibc","retrievedAt":1793822971501,"url":"https://www.cve.org/CVERecord?id=CVE-2026-122054"}],"ssvc":null,"status":"published","title":"BIG-HKSCS decoding hang on crafted input","updatedAt":1793822971501}