All vulnerabilities

Servers and applications

CVE-2026-35188

Issue summary: A malicious server can exploit TLS OCSP stapling by delivering a crafted response through the status_request extension, triggering a double-free in the client's certificate verification path. Impact summary: Successful exploitation allows an attacker to corrupt heap memory via a double-free, potentially leading to a Denial of Service or possibly an attacker controlled code…

Severity
Medium 5.0
Published
9 Jun 2026
Last changed
23 Jul 2026
Added to UpHeron
21 Oct 2026
Fixed in
3.6.3
Sources
NVD

Affected software

SoftwareAffected versions
OpenSSLServers and applications · cpe:a:openssl:openssl
  • From 3.6.0 before 3.6.3
  • Version 4.0.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-35188
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-35188