S
SumatraPDF
Security Risk Profile
41
/100
mediumSecurity Risk Score
Comprehensive risk assessment based on 9 vulnerabilities, EPSS scores, exploitation status, and remediation availability.
📅 Data spans from July 4, 2025 to present
9
Total CVEs
4
Critical+High
0
Exploited
2
Unpatched
Threat Assessment
Avg CVSS
6.8
Base severity
Avg EPSS
0%
Exploit probability
Unpatched
2
Critical/High
Risk Level
41/100
medium
📈 2 in Last 30 Days
Severity Distribution
Critical
0High
4Medium
5Low
0Exploit Likelihood
>50% chance
020-50%
05-20%
0<5%
4Age Distribution
Common Weaknesses (CWE)
1
Integer Overflow
2
2
Buffer Overflow
2
3
Integer Underflow
1
4
Null Pointer Dereference
1
Most Affected Products
1. SumatraPDF SumatraPDF9
2. Sumatrapdfreader Sumatrapdf5
3. chmlib chmlib1
Recent Vulnerabilities
See more →CVE-2026-26054
CVSS 6.8medium
SumatraPDF: Heap out-of-bounds read in MOBI header parser.
Sep 24, 2026🔧 No Patch
CVE-2026-88361
CVSS 7.5high
Sep 24, 2026🔧 No Patch
CVE-2026-55586
CVSS 6.6medium
SumatraPDF: Heap out-of-bounds write in vendored CHMLib LZX Huffman table construction reachable from crafted CHM files
Aug 20, 2026🔧 No Patch
CVE-2026-25920
CVSS 5.5EPSS 0%medium
SumatraPDF has a heap out-of-bounds read in MOBI HuffDic decompressor
Feb 9, 2026🔧 No Patch
CVE-2026-25880
CVSS 7.8EPSS 0%high
Untrusted Search Path in SumatraPDF Reader (explorer.exe on Windows)
Feb 9, 2026🔧 No Patch
CVE-2026-23951
CVSS 5.5EPSS 0%medium
SumatraPDF's Integer Underflow in PalmDbReader Leads to Crash
Jan 22, 2026🔧 No Patch
CVE-2026-23512
CVSS 8.6EPSS 0%high
SumatraPDF has an Untrusted Search Path in sumatrapdf/src/AppTools.cpp
Jan 14, 2026
CVE-2025-57248
CVSS 7.3high
Sep 15, 2025
CVE-2025-48172
CVSS 5.6medium
Jul 4, 2025🔧 No Patch
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