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Date: Thu, 5 Oct 2023 10:14:49 +0200
From: Erik Auerswald <>
Subject: There is a curl "severity HIGH security problem" pre-announcement on


there is a pre-announcement of a curl security problem with high severity
that can be found on GitHub:


(I have seen a link to it from some web site, and did not see it on this
list yet.)

There is little information available, the GitHub discussions post says:

   "We are cutting the release cycle short and will release curl 8.4.0 on
    October 11, including fixes for a severity HIGH CVE and one severity
    LOW. The one rated HIGH is probably the worst curl security flaw in
    a long time.

    The new version and details about the two CVEs will be published
    around 06:00 UTC on the release day.

    * CVE-2023-38545: severity HIGH (affects both libcurl and the curl tool)
    * CVE-2023-38546: severity LOW (affects libcurl only, not the tool)

    Now you know. Plan accordingly."

Best regards,

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