Red Hat Security Advisory 2019-2713-01 - Poppler is a Portable Document Format rendering library, used by applications such as Evince. Issues addressed include buffer overflow and null pointer vulnerabilities.
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Ubuntu Security Notice 4042-1 - It was discovered that poppler incorrectly handled certain files. If a user or automated system were tricked into opening a crafted PDF file, an attacker could cause a denial of service, or possibly execute arbitrary code
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