This update for glib2 fixes the following issues:
- CVE-2026-1485: Fixed buffer underflow and out-of-bounds access due to integer wraparound in content type parsing (bsc#1257354).
- CVE-2026-1484: Fixed buffer underflow and out-of-bounds access due to miscalculated buffer boundaries in the Base64 encoding routine (bsc#1257355).
- CVE-2026-1489: Fixed undersized heap allocation followed by out-of-bounds access due to integer overflow in Unicode case conversion (bsc#1257353).
- CVE-2026-0988: Fixed a potential integer overflow in g_buffered_input_stream_peek (bsc#1257049).