CVE-2026-25920

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Source
https://cve.org/CVERecord?id=CVE-2026-25920
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-25920.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-25920
Aliases
  • GHSA-5mwx-65x7-cffp
Published
2026-02-09T21:32:26.520Z
Modified
2026-03-03T01:22:45.259875Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
SumatraPDF has a heap out-of-bounds read in MOBI HuffDic decompressor
Details

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 in AddCdicData() only validates half the range that DecodeOne() actually accesses. Opening a crafted .mobi file can read nearly (1 << codeLength) bytes beyond the CDIC dictionary buffer, leading to a crash.

Database specific 
{
    "cwe_ids": [
        "CWE-125"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/25xxx/CVE-2026-25920.json",
    "cna_assigner": "GitHub_M"
}
References

Affected packages

Git /

Affected ranges

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-25920.json"