CVE-2017-9776: Integer overflow leading to Heap buffer overflow in JBIG2Stream.cc in pdftocairo in Poppler before 0.56 all...

Security readout for executives and security teams

A malicious PDF could crash software that uses vulnerable Poppler PDF processing, specifically pdftocairo before Poppler 0.56. The source also says unspecified other impact may be possible, but does not define it. Treat this as a document-processing exposure where untrusted PDFs are opened, converted, or previewed. Exposure is most likely on systems, desktops, servers, or document workflows that process untrusted PDFs using Poppler pdftocairo before 0.56 or affected downstream Linux packages. Prioritize remediation where PDF processing is internet-facing, automated, or handles customer-supplied files. For ordinary managed desktops, patch through normal endpoint maintenance unless local exposure is higher. Mitigation focus: Update Poppler through supported vendor packages, especially Red Hat or Debian advisories where applicable.; Verify Poppler is version 0.56 or later, or a vendor-backported fixed build.; Avoid processing untrusted PDFs on vulnerable systems until patched..

Prepared

Jun 13, 2026, 04:43 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.