CVE-2026-12600 Uncontrolled memory usage in Innodata Labs’ Poppler JPX decoderUncontrolled memory usage in Innodata Labs’ Poppler JPX decoder

Denial-of-service DoS vulnerability in the internal JPEG2000 JPX decoding implementation of the Poppler fork developed by Innodata Labs. When an application processes an untrusted PDF file containing specially crafted JPXDecode images, a remote attacker can cause uncontrolled memory consumption...

CVE-2026-12600

CVE-2026-12600 is a denial-of-service vulnerability in the JPEG2000 (JPX) decoder within a Poppler fork maintained by Innodata Labs . The flaw resides in JPXStream::readCodestream(), where attacker-controlled values from the SIZ segment (e.g., img.nComps) are used to allocate memory for tiles and...