Security Information / 2020 / Security Information -- DSA-4661-1 openssl

Debian Security Advisory

DSA-4661-1 openssl -- security update

Date Reported:

21 Apr 2020

Affected Packages:

openssl

Vulnerable:

Yes

Security database references:

In Mitre's CVE dictionary: CVE-2020-1967.

More information:

Bernd Edlinger discovered that malformed data passed to the SSL_check_chain() function during or after a TLS 1.3 handshake could cause a NULL dereference, resulting in denial of service.

The oldstable distribution (stretch) is not affected.

For the stable distribution (buster), this problem has been fixed in version 1.1.1d-0+deb10u3.

We recommend that you upgrade your openssl packages.

For the detailed security status of openssl please refer to its security tracker page at: https://security-tracker.debian.org/tracker/openssl