Hello team,

Issue #8559 was submitted, identifying a flaw in the OpenSSL backend when curl's verified the CN field of a certificate. It returns error ("out of memory") for all such certficates. The fix is straight-forward and should land shortly [#8560].

I'm just telling you this to keep the wider user base informed. I don't consider this problem serious enough for a patch release. Public CAs don't allow certificates with CN-only (thus avoding this bug), and according to stats (linked to in the issue), only 1.57% of private CAs use this feature.

Of course, if you think otherwise I'm sure you'll let me know.

#8559 = https://github.com/curl/curl/issues/8559
#8560 = https://github.com/curl/curl/pull/8560

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