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BUG/MEDIUM: auth: fix unconfigured password NULL deref
authorWilliam Lallemand <wlallemand@haproxy.com>
Tue, 26 May 2026 12:08:38 +0000 (14:08 +0200)
committerWilliam Lallemand <wlallemand@haproxy.com>
Tue, 26 May 2026 12:13:23 +0000 (14:13 +0200)
commitdfb6daca1fc398949fcba19e030748ebe8487de2
treec360b3bf3c2800cbb0a0b6c8ed61d440315b7d3atree | snapshot
parente4a5a64198bb084eaef2e71bfde65704a5db3931commit | diff
BUG/MEDIUM: auth: fix unconfigured password NULL deref

Fix a case of dereference NULL pointer when trying to use an user from
an userlist which does not have a password configured.

The check_user() function tries to do an strcmp of the password, howver
u->pass is NULL and the strcmp would crash when trying.

Must be backported in every stable branches.
src/auth.c diff | blob | blame | history
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