CVE-2016-6309

NameCVE-2016-6309
Descriptionstatem/statem.c in OpenSSL 1.1.0a does not consider memory-block movement after a realloc call, which allows remote attackers to cause a denial of service (use-after-free) or possibly execute arbitrary code via a crafted TLS session.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severityhigh (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
openssl (PTS)jessie1.0.1t-1+deb8u7fixed
jessie (security)1.0.1t-1+deb8u8fixed
stretch1.1.0f-3+deb9u1fixed
stretch (security)1.1.0f-3+deb9u2fixed
buster, sid1.1.0h-4fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
opensslsource(unstable)(not affected)
opensslsourceexperimental1.1.0b-1high

Notes

- openssl <not-affected> (Only affects 1.1)
https://www.openssl.org/news/secadv/20160926.txt

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