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

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
openssl (PTS)stretch1.1.0l-1~deb9u1fixed
stretch (security)1.1.0l-1~deb9u3fixed
buster1.1.1d-0+deb10u6fixed
buster (security)1.1.1d-0+deb10u7fixed
bullseye1.1.1k-1fixed
bullseye (security)1.1.1k-1+deb11u1fixed
bookworm, sid1.1.1l-1fixed

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

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

Notes

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

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