Cleartext Transmission of Sensitive Information Affecting libcurl package, versions [7.77.0,7.88.1)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-CONAN-LIBCURL-10076456
  • published8 May 2025
  • disclosed15 Feb 2023
  • creditHarry Sintonen, Daniel Stenberg

Introduced: 15 Feb 2023

CVE-2023-23915  (opens in a new tab)
CWE-319  (opens in a new tab)

How to fix?

Upgrade libcurl to version 7.88.1 or higher.

Overview

Affected versions of this package are vulnerable to Cleartext Transmission of Sensitive Information such that curl's HSTS cache saving behaves wrongly when multiple URLs are requested in parallel.

CVSS Base Scores

version 3.1