smb reuse

About this tag
The smb reuse tag on WindowsForum.com covers discussions about vulnerabilities and fixes related to SMB connection reuse in curl and libcurl. The primary content addresses CVE-2026-3805, a use-after-free bug in curl's SMB reuse mechanism that affects versions 8.13.0 through 8.18.0 and was patched in curl 8.19.0. The flaw occurs when a second SMB request reuses a pooled connection, causing curl to dereference freed memory, potentially leading to crashes, information leakage, or memory corruption. This tag is relevant for system administrators, developers, and IT professionals managing curl-based applications on Windows or other platforms, particularly those concerned with security updates and patch management.

  1. CVE-2026-3805: Use-After-Free in curl SMB Reuse Patch in 8.19.0

    The curl project has published an advisory for CVE-2026-3805, a use-after-free bug in SMB connection reuse that affects libcurl and the curl command-line tool in releases 8.13.0 through 8.18.0 and was fixed in curl/libcurl 8.19.0; the flaw occurs when a second SMB request reuses a pooled...
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    • curl vulnerability cve 2026 3805 memory safety smb reuse
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    • Forum: Security Alerts