https://patchthecve.com/CVEs with upgrade or downgrade fix stepshttps://patchthecve.com/cve/CVE-2021-21797.htmlhttps://patchthecve.com/cve/CVE-2021-21797.htmlWed, 17 Jun 2026 03:36:08 +0000HIGH 7.8: An exploitable double-free vulnerability exists in the JavaScript implementation of Nitro Pro PDF. A specially crafted document can cause a reference to a timeout object to be stored in two different places. When closed, the document will result in the reference being released twice. This can lead thttps://patchthecve.com/cve/CVE-2021-21796.htmlhttps://patchthecve.com/cve/CVE-2021-21796.htmlWed, 17 Jun 2026 03:36:07 +0000HIGH 7.8: An exploitable use-after-free vulnerability exists in the JavaScript implementation of Nitro Pro PDF. A specially crafted document can cause an object containing the path to a document to be destroyed and then later reused, resulting in a use-after-free vulnerability, which can lead to code executiohttps://patchthecve.com/cve/CVE-2021-21798.htmlhttps://patchthecve.com/cve/CVE-2021-21798.htmlWed, 17 Jun 2026 03:36:08 +0000HIGH 7.8: An exploitable return of stack variable address vulnerability exists in the JavaScript implementation of Nitro Pro PDF. A specially crafted document can cause a stack variable to go out of scope, resulting in the application dereferencing a stale pointer. This can lead to code execution under the cohttps://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-2020-6116.htmlhttps://patchthecve.com/cve/CVE-2020-6116.htmlWed, 17 Jun 2026 03:22:42 +0000HIGH 7.8: An arbitrary code execution vulnerability exists in the rendering functionality of Nitro Software, Inc.’s Nitro Pro 13.13.2.242. When drawing the contents of a page using colors from an indexed colorspace, the application can miscalculate the size of a buffer when allocating space for its colors. Whhttps://patchthecve.com/cve/CVE-2020-6115.htmlhttps://patchthecve.com/cve/CVE-2020-6115.htmlWed, 17 Jun 2026 03:22:42 +0000HIGH 7.8: An exploitable vulnerability exists in the cross-reference table repairing functionality of Nitro Software, Inc.’s Nitro Pro 13.13.2.242. While searching for an object identifier in a malformed document that is missing from the cross-reference table, the application will save a reference to the objehttps://patchthecve.com/cve/CVE-2020-6113.htmlhttps://patchthecve.com/cve/CVE-2020-6113.htmlWed, 17 Jun 2026 03:22:42 +0000HIGH 7.8: An exploitable vulnerability exists in the object stream parsing functionality of Nitro Software, Inc.’s Nitro Pro 13.13.2.242 when updating its cross-reference table. When processing an object stream from a PDF document, the application will perform a calculation in order to allocate memory for thehttps://patchthecve.com/cve/CVE-2020-6112.htmlhttps://patchthecve.com/cve/CVE-2020-6112.htmlWed, 17 Jun 2026 03:22:42 +0000HIGH 7.8: An exploitable code execution vulnerability exists in the JPEG2000 Stripe Decoding functionality of Nitro Software, Inc.’s Nitro Pro 13.13.2.242 when decoding sub-samples. While initializing tiles with sub-sample data, the application can miscalculate a pointer for the stripes in the tile which allohttps://patchthecve.com/cve/CVE-2020-6146.htmlhttps://patchthecve.com/cve/CVE-2020-6146.htmlWed, 17 Jun 2026 03:22:46 +0000HIGH 8.8: An exploitable code execution vulnerability exists in the rendering functionality of Nitro Pro 13.13.2.242 and 13.16.2.300. When drawing the contents of a page and selecting the stroke color from an 'ICCBased' colorspace, the application will read a length from the file and use it as a loop sentinelhttps://patchthecve.com/cve/CVE-2020-6093.htmlhttps://patchthecve.com/cve/CVE-2020-6093.htmlWed, 17 Jun 2026 03:22:40 +0000MEDIUM 5.5: An exploitable information disclosure vulnerability exists in the way Nitro Pro 13.9.1.155 does XML error handling. A specially crafted PDF document can cause uninitialized memory access resulting in information disclosure. In order to trigger this vulnerability, victim must open a malicious file.https://patchthecve.com/cve/CVE-2020-6092.htmlhttps://patchthecve.com/cve/CVE-2020-6092.htmlWed, 17 Jun 2026 03:22:40 +0000HIGH 7.8: An exploitable code execution vulnerability exists in the way Nitro Pro 13.9.1.155 parses Pattern objects. A specially crafted PDF file can trigger an integer overflow that can lead to arbitrary code execution. In order to trigger this vulnerability, victim must open a malicious file.https://patchthecve.com/cve/CVE-2020-6074.htmlhttps://patchthecve.com/cve/CVE-2020-6074.htmlWed, 17 Jun 2026 03:22:38 +0000HIGH 8.8: An exploitable code execution vulnerability exists in the PDF parser of Nitro Pro 13.9.1.155. A specially crafted PDF document can cause a use-after-free which can lead to remote code execution. An attacker can provide a malicious file to trigger this vulnerability.https://patchthecve.com/cve/CVE-2020-10223.htmlhttps://patchthecve.com/cve/CVE-2020-10223.htmlWed, 17 Jun 2026 02:47:31 +0000HIGH 8.1: npdf.dll in Nitro Pro before 13.13.2.242 is vulnerable to JBIG2Decode CNxJBIG2DecodeStream Heap Corruption at npdf!CAPPDAnnotHandlerUtils::create_popup_for_markup+0x12fbe via a crafted PDF document.https://patchthecve.com/cve/CVE-2020-10222.htmlhttps://patchthecve.com/cve/CVE-2020-10222.htmlWed, 17 Jun 2026 02:47:30 +0000HIGH 8.1: npdf.dll in Nitro Pro before 13.13.2.242 is vulnerable to Heap Corruption at npdf!nitro::get_property+2381 via a crafted PDF document.https://patchthecve.com/cve/CVE-2019-18958.htmlhttps://patchthecve.com/cve/CVE-2019-18958.htmlWed, 17 Jun 2026 02:25:38 +0000HIGH 7.8: Nitro Pro before 13.2 creates a debug.log file in the directory where a .pdf file is located, if the .pdf document was produced by an OCR operation on the JPEG output of a scanner. Reportedly, this can have a security risk if debug.log is later edited and then executed.https://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.https://patchthecve.com/cve/CVE-2017-7442.htmlhttps://patchthecve.com/cve/CVE-2017-7442.htmlWed, 17 Jun 2026 01:24:21 +0000HIGH 8.8: Nitro Pro 11.0.3.173 allows remote attackers to execute arbitrary code via saveAs and launchURL calls with directory traversal sequences.https://patchthecve.com/cve/CVE-2017-7950.htmlhttps://patchthecve.com/cve/CVE-2017-7950.htmlWed, 17 Jun 2026 01:25:32 +0000MEDIUM 5.5: Nitro Pro 11.0.3 and earlier allows remote attackers to cause a denial of service (application crash) via a crafted PCX file.