Security Information / 2019 / Security Information -- DSA-4594-1 openssl1.0

Debian Security Advisory

DSA-4594-1 openssl1.0 -- security update

Date Reported:

27 Dec 2019

Affected Packages:

openssl1.0

Vulnerable:

Yes

Security database references:

In Mitre's CVE dictionary: CVE-2019-1551.

More information:

Guido Vranken discovered an overflow bug in the x64_64 Montgomery squaring procedure used in exponentiation with 512-bit moduli.

For the oldstable distribution (stretch), this problem has been fixed in version 1.0.2u-1~deb9u1.

We recommend that you upgrade your openssl1.0 packages.

For the detailed security status of openssl1.0 please refer to its security tracker page at: https://security-tracker.debian.org/tracker/openssl1.0