Use of Uninitialized Variable Affecting libxls package, versions [0,]


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.22% (13th percentile)

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  • Snyk IDSNYK-CONAN-LIBXLS-17308365
  • published11 Jun 2026
  • disclosed3 Jun 2026
  • creditRichard Howe

Introduced: 3 Jun 2026

NewCVE-2026-26824  (opens in a new tab)
CWE-457  (opens in a new tab)

How to fix?

There is no fixed version for libxls.

Overview

Affected versions of this package are vulnerable to Use of Uninitialized Variable in the read_MSAT() function. An attacker can cause application crashes or potentially disclose sensitive information by submitting a specially crafted XLS file.

References

CVSS Base Scores

version 4.0
version 3.1