UpHeron
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Servers and applications

CVE-2021-26690

Apache HTTP Server versions 2.4.0 to 2.4.46 A specially crafted Cookie header handled by mod_session can cause a NULL pointer dereference and crash, leading to a possible Denial Of Service

Severity
High 7.5
Published
10 Jun 2021
Last changed
17 Jun 2026
Added to UpHeron
17 Oct 2026
Sources
NVD

Affected software

SoftwareAffected versions
Apache HTTP ServerServers and applications · cpe:a:apache:http_server
  • From 2.4.0 up to 2.4.46

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-26690
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-26690