https://patchthecve.com/CVEs with upgrade or downgrade fix stepshttps://patchthecve.com/cve/CVE-2018-18689.htmlhttps://patchthecve.com/cve/CVE-2018-18689.htmlWed, 17 Jun 2026 01:47:41 +0000MEDIUM 5.3: The Portable Document Format (PDF) specification does not provide any information regarding the concrete procedure of how to validate signatures. Consequently, a Signature Wrapping vulnerability exists in multiple products. An attacker can use /ByteRange and xref manipulations that are not detected https://patchthecve.com/cve/CVE-2018-18688.htmlhttps://patchthecve.com/cve/CVE-2018-18688.htmlWed, 17 Jun 2026 01:47:41 +0000MEDIUM 5.3: The Portable Document Format (PDF) specification does not provide any information regarding the concrete procedure of how to validate signatures. Consequently, an Incremental Saving vulnerability exists in multiple products. When an attacker uses the Incremental Saving feature to add pages or annotahttps://patchthecve.com/cve/CVE-2013-3553.htmlhttps://patchthecve.com/cve/CVE-2013-3553.htmlTue, 16 Jun 2026 23:55:23 +0000HIGH 7.8: Nitro Pro 7.5.0.22 and earlier and Nitro Reader 2.5.0.36 and earlier allow remote attackers to execute arbitrary code via a crafted PDF file.https://patchthecve.com/cve/CVE-2013-3552.htmlhttps://patchthecve.com/cve/CVE-2013-3552.htmlTue, 16 Jun 2026 23:55:22 +0000HIGH 7.8: Nitro Pro 7.5.0.29 and earlier and Nitro Reader 2.5.0.45 and earlier allow remote attackers to execute arbitrary code via a crafted PDF file.