CVE-2026-80229

The curl library is vulnerable to a heap-use-after-free flaw when using the multi interface with OpenSSL 3 provider configurations. The root cause is that libcurl attaches an allocated library context to an easy handle's state but fails to acquire an ownership reference. Consequently, destroying ...

curl: CVE-2026-9080: UAF after pause in socket callback

Hi all, We've found a heap-use-after-free in lib/multiev.c triggered by calling curleasypause from within a CURLMOPTSOCKETFUNCTION callback. ASAN-confirmed with the self-contained reproducer below. Affected versions: 8.13.0 – 8.20.0 current. The entry-action write line 280 has been vulnerable sin...

OPENSUSE-SU-2020:1494-1 Security update for curl

This update for curl fixes the following issues: - An application that performs multiple requests with libcurl's multi API and sets the 'CURLOPTCONNECTONLY' option, might in rare circumstances experience that when subsequently using the setup connect-only transfer, libcurl will pick and use the...

SUSE-SU-2020:2446-1 Security update for curl

This update for curl fixes the following issues: - An application that performs multiple requests with libcurl's multi API and sets the 'CURLOPTCONNECTONLY' option, might in rare circumstances experience that when subsequently using the setup connect-only transfer, libcurl will pick and use the...

CURL-CVE-2020-8231 wrong connect-only connection

An application that performs multiple requests with libcurl's multi API and sets the CURLOPTCONNECTONLY option, might in rare circumstances experience that when subsequently using the setup connect-only transfer, libcurl picks and uses the wrong connection - and instead picks another one the...