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sumatrapdfreader / sumatrapdf CVEs

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13 CVEs tagged to sumatrapdfreader / sumatrapdf3 Critical, 6 High, 4 Medium, 0 Low, 0 Unrated.

CVE-2026-25961

Published Feb 9, 2026

SumatraPDF is a multi-format reader for Windows. In 3.5.0 through 3.5.2, SumatraPDF's update mechanism disables TLS hostname verification (INTERNET_FLAG_IGNORE_CERT_CN_INVALID) an…

CVSS 7.5 · High
evidence mentions
1
Buzz score
11.9
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CVE-2026-25920

Published Feb 9, 2026

SumatraPDF is a multi-format reader for Windows. In 3.5.2 and earlier, a heap out-of-bounds read vulnerability exists in SumatraPDF's MOBI HuffDic decompressor. The bounds check i…

CVSS 5.5 · Medium
evidence mentions
3
Buzz score
18.9
Vendor/product tagsBeta · best-effort

CVE-2026-25880

Published Feb 9, 2026

SumatraPDF is a multi-format reader for Windows. In 3.5.2 and earlier, the PDF reader allows execution of a malicious binary (explorer.exe) located in the same directory as the op…

CVSS 7.8 · High
evidence mentions
1
Buzz score
11.9
Vendor/product tagsBeta · best-effort

CVE-2026-23951

Published Jan 22, 2026

SumatraPDF is a multi-format reader for Windows. All versions contain an off-by-one error in the validation code that only triggers with exactly 2 records, causing an integer unde…

CVSS 5.5 · Medium
evidence mentions
2
Buzz score
16.0
Vendor/product tagsBeta · best-effort

CVE-2026-23512

Published Jan 14, 2026

SumatraPDF is a multi-format reader for Windows. In 3.5.2 and earlier, there is a Untrusted Search Path vulnerability when Advanced Options setting is trigger. The application exe…

CVSS 8.6 · High
evidence mentions
2
Buzz score
16.0
Vendor/product tagsBeta · best-effort

CVE-2025-57248

Published Sep 15, 2025

A null pointer dereference vulnerability was discovered in SumatraPDF 3.5.2 during the processing of a crafted .djvu file. When the file is opened, the application crashes inside…

CVSS 7.3 · High
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CVE-2023-33802

Published Jul 26, 2023

A buffer overflow in SumatraPDF Reader v3.4.6 allows attackers to cause a Denial of Service (DoS) via a crafted text file.

CVSS 5.5 · Medium
Vendor/product tagsBeta · best-effort

CVE-2013-2830

Published Feb 8, 2018

Use-after-free vulnerability in SumatraPDF Reader 2.x before 2.2.1 allows remote attackers to execute arbitrary code via a crafted PDF file.

CVSS 7.8 · High
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CVE-2012-4896

Published Oct 5, 2012

Heap-based buffer overflow in SumatraPDF before 2.1 allows remote attackers to execute arbitrary code via a crafted PDF document, a different vulnerability than CVE-2012-4895.

CVSS 9.3 · Critical
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CVE-2012-4895

Published Oct 5, 2012

Heap-based buffer overflow in SumatraPDF before 2.1 allows remote attackers to execute arbitrary code via a crafted PDF document, a different vulnerability than CVE-2012-4896.

CVSS 9.3 · Critical
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CVE-2009-4117

Published Dec 1, 2009

Multiple stack-based buffer overflows in pdf_shade4.c in MuPDF before commit 20091125231942, as used in SumatraPDF before 1.0.1, allow remote attackers to cause a denial of servic…

CVSS 9.3 · Critical
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CVE-2009-1605

Published May 11, 2009

Heap-based buffer overflow in the loadexponentialfunc function in mupdf/pdf_function.c in MuPDF in the mupdf-20090223-win32 package, as used in SumatraPDF 0.9.3 and earlier, allow…

CVSS 5.4 · Medium
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