UpHeron
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Servers and applications

CVE-2021-22946

A user can tell curl >= 7.20.0 and <= 7.78.0 to require a successful upgrade to TLS when speaking to an IMAP, POP3 or FTP server (`--ssl-reqd` on the command line or`CURLOPT_USE_SSL` set to `CURLUSESSL_CONTROL` or `CURLUSESSL_ALL` withlibcurl). This requirement could be bypassed if the server would return a properly crafted but perfectly legitimate response.This flaw would then make curl…

Severity
High 7.5
Published
29 Sept 2021
Last changed
14 Oct 2026
Added to UpHeron
21 Oct 2026
Fixed in
7.79.0
Sources
NVD

Affected software

SoftwareAffected versions
curlServers and applications · cpe:a:haxx:curl
  • From 7.20.0 before 7.79.0
MySQLServers and applications · cpe:a:oracle:mysql_server
  • From 5.7.0 up to 5.7.35
  • From 8.0.0 up to 8.0.26

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-22946
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-22946