CVE-2026-23951 Detail
Received
This CVE record has recently been published to the CVE List and has been included within the NVD dataset. DescriptionSumatraPDF 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 underflow in the size calculation. This bug exists in PalmDbReader::GetRecord when opening a crafted Mobi file, resulting in an out-of-bounds heap read that crashes the app. There are no published fixes at the time of publication. Metrics
NVD enrichment efforts reference publicly available information to associate
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CVSS 4.0 Severity and Vector Strings:
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Quick InfoCVE Dictionary Entry:CVE-2026-23951 NVD Published Date: 01/21/2026 NVD Last Modified: 01/21/2026 Source: GitHub, Inc. |
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