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CVE details

CVE-2026-12802

In Bouncy Castle for Java before 1.85, CMS AuthEnvelopedData fails to enforce tag-length on decryption. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcpkix-fips 1.0.12 (1.0.X series), 2.0.12 (2.0.X series) and 2.1.12 (2.1.X series).

Score
8.7 high
Published
2026-08-03
Links
NVD · cve.org

Affected ports (1)

PortPackageVersionStatusMaintainer
java/bouncycastlebouncycastle1.83_1unaddressedports@FreeBSD.org

Template for a VuXML entry

Range taken from the CVE record, check it before committing. make newentry in security/vuxml creates the vid.

  <vuln vid="FIXME (make newentry)">
    <topic>FIXME -- FIXME</topic>
    <affects>
      <package>
	<name>bouncycastle</name>
	<range><lt>1.85</lt></range>
      </package>
    </affects>
    <description>
      <body xmlns="http://www.w3.org/1999/xhtml">
	<p>In Bouncy Castle for Java before 1.85, CMS AuthEnvelopedData fails to
	enforce tag-length on decryption. This issue also affects Bouncy
	Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS
	(BC-FJA) before bcpkix-fips 1.0.12 (1.0.X series), 2.0.12 (2.0.X
	series) and 2.1.12 (2.1.X series).</p>
      </body>
    </description>
    <references>
      <cvename>CVE-2026-12802</cvename>
      <url>https://nvd.nist.gov/vuln/detail/CVE-2026-12802</url>
    </references>
    <dates>
      <discovery>2026-08-03</discovery>
      <entry>2026-10-25</entry>
    </dates>
  </vuln>