Debian Security Advisory
DSA-4018-1 openssl -- security update
- Date Reported:
- 04 Nov 2017
- Affected Packages:
- Security database references:
- In Mitre's CVE dictionary: CVE-2017-3735, CVE-2017-3736.
- More information:
Multiple vulnerabilities have been discovered in OpenSSL, a Secure Sockets Layer toolkit. The Common Vulnerabilities and Exposures project identifies the following issues:
It was discovered that OpenSSL is prone to a one-byte buffer overread while parsing a malformed IPAddressFamily extension in an X.509 certificate.
Details can be found in the upstream advisory: https://www.openssl.org/news/secadv/20170828.txt
It was discovered that OpenSSL contains a carry propagation bug in the x86_64 Montgomery squaring procedure.
Details can be found in the upstream advisory: https://www.openssl.org/news/secadv/20171102.txt
For the stable distribution (stretch), these problems have been fixed in version 1.1.0f-3+deb9u1.
For the unstable distribution (sid), these problems have been fixed in version 1.1.0g-1.
We recommend that you upgrade your openssl packages.