UpHeron
All vulnerabilities

Servers and applications

CVE-2026-28387

Issue summary: An uncommon configuration of clients performing DANE TLSA-based server authentication, when paired with uncommon server DANE TLSA records, may result in a use-after-free and/or double-free on the client side. Impact summary: A use after free can have a range of potential consequences such as the corruption of valid data, crashes or execution of arbitrary code. However, the issue…

Severity
High 8.1
Published
7 Apr 2026
Last changed
24 Jul 2026
Added to UpHeron
21 Oct 2026
Fixed in
1.1.1zg, 3.0.20, 3.3.7, 3.4.5, 3.5.6, 3.6.2
Sources
NVD

Affected software

SoftwareAffected versions
OpenSSLServers and applications · cpe:a:openssl:openssl
  • From 1.1.1 before 1.1.1zg
  • From 3.0.0 before 3.0.20
  • From 3.3.0 before 3.3.7
  • From 3.4.0 before 3.4.5
  • From 3.5.0 before 3.5.6
  • From 3.6.0 before 3.6.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-28387
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-28387