CVE-2026-80489 EUC_JISX0213 decoding may hang on crafted input

Converting crafted EUCJISX0213 input to UCS-4 or the internal wide character encoding, for example with iconv, in the GNU C Library version 2.3 to 2.44 may result in the converter making no progress, causing the calling application to hang. Some EUCJISX0213 sequences decode to two code points. If...