CVE-2026-82522

libjxl before 0.12 contains an integer underflow vulnerability in the container box parser that allows remote attackers to inject arbitrary metadata by exploiting 64-bit box size truncation to sizet on 32-bit platforms. Attackers can supply a crafted JPEG XL file causing the decoder to parse...

CVE-2026-82522 libjxl < 0.12.0 Container Box Parser Integer Underflow via 32-bit Size Truncation

libjxl before 0.12 contains an integer underflow vulnerability in the container box parser that allows remote attackers to inject arbitrary metadata by exploiting 64-bit box size truncation to sizet on 32-bit platforms. Attackers can supply a crafted JPEG XL file causing the decoder to parse...

CVE-2026-82522

libjxl before version 0.12.0 contains an integer underflow vulnerability in the container box parser . On 32-bit platforms , 64-bit box sizes are truncated to size_t, allowing a remote attacker to supply a crafted JPEG XL file that causes the decoder to parse attacker-controlled codestream bytes ...