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CVE-2026-23951

🗓️ 22 Jan 2026 00:17:10Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 8 Views

SumatraPDF has an integer underflow in PalmDbReader for crafted Mobi files with two records, causing a crash.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-23951
22 Jan 202600:17
attackerkb
Circl
CVE-2026-23951
22 Jan 202601:30
circl
CNNVD
sumatrapdf numerical error vulnerability
22 Jan 202600:00
cnnvd
Cvelist
CVE-2026-23951 SumatraPDF's Integer Underflow in PalmDbReader Leads to Crash
22 Jan 202600:17
cvelist
EUVD
EUVD-2026-4205
22 Jan 202600:17
euvd
NVD
CVE-2026-23951
22 Jan 202601:15
nvd
OSV
CVE-2026-23951 SumatraPDF's Integer Underflow in PalmDbReader Leads to Crash
22 Jan 202600:17
osv
Positive Technologies
PT-2026-3887
22 Jan 202600:00
ptsecurity
RedhatCVE
CVE-2026-23951
23 Jan 202600:26
redhatcve
Vulnrichment
CVE-2026-23951 SumatraPDF's Integer Underflow in PalmDbReader Leads to Crash
22 Jan 202600:17
vulnrichment
Rows per page
NVD
Vulners
[
  {
    "vendor": "sumatrapdfreader",
    "product": "sumatrapdf",
    "versions": [
      {
        "version": "<= 3.5.2rel",
        "status": "affected"
      }
    ]
  }
]

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17 Feb 2026 16:48Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.15.5
EPSS0.00009
SSVC
8