CVE-2026-93313

A flaw was found in Poppler. This vulnerability, an integer overflow, occurs within the JBIG2Stream::readCodeTableSeg function when processing specially crafted JBIG2 image data. A remote attacker could exploit this by providing specially crafted input, which may lead to memory corruption. This could result in a denial of service (DoS) or potentially allow for information disclosure.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

To mitigate this issue, avoid opening untrusted PDF documents with applications that rely on Poppler for rendering. Additionally, consider running applications that process untrusted content in a sandboxed environment to limit potential impact. No configuration option is available to disable JBIG2 stream processing within Poppler without patching.