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curl: Information disclosure due to uncleared proxy authentication state

🗓️ 28 Sep 2026 15:15:24Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 3 Views

A flaw was found in libcurl. When reusing a libcurl handle for sequential transfers with environment-variable proxy configuration, the library does not properly clear the proxy authentication state. This oversight can lead to the unintended disclo...

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux10.0aarch64curl8.12.1-1.el10_0.10curl-8.12.1-1.el10_0.10.aarch64.rpm
Red Hat Enterprise Linux10.0ppc64lecurl8.12.1-1.el10_0.10curl-8.12.1-1.el10_0.10.ppc64le.rpm
Red Hat Enterprise Linux10.0s390xcurl8.12.1-1.el10_0.10curl-8.12.1-1.el10_0.10.s390x.rpm
Red Hat Enterprise Linux10.0x86_64curl8.12.1-1.el10_0.10curl-8.12.1-1.el10_0.10.x86_64.rpm
Red Hat Enterprise Linux10.0aarch64curl-debuginfo8.12.1-1.el10_0.10curl-debuginfo-8.12.1-1.el10_0.10.aarch64.rpm
Red Hat Enterprise Linux10.0ppc64lecurl-debuginfo8.12.1-1.el10_0.10curl-debuginfo-8.12.1-1.el10_0.10.ppc64le.rpm
Red Hat Enterprise Linux10.0s390xcurl-debuginfo8.12.1-1.el10_0.10curl-debuginfo-8.12.1-1.el10_0.10.s390x.rpm
Red Hat Enterprise Linux10.0x86_64curl-debuginfo8.12.1-1.el10_0.10curl-debuginfo-8.12.1-1.el10_0.10.x86_64.rpm
Red Hat Enterprise Linux10.0aarch64curl-debugsource8.12.1-1.el10_0.10curl-debugsource-8.12.1-1.el10_0.10.aarch64.rpm
Red Hat Enterprise Linux10.0ppc64lecurl-debugsource8.12.1-1.el10_0.10curl-debugsource-8.12.1-1.el10_0.10.ppc64le.rpm
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28 Sep 2026 15:30Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.19.1
EPSS0.005
SSVC
3