CVE-2016-6309

statem/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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
redhatCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 97%
VendorProductVersion
opensslopenssl
1.1.0a:a
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
openssl
bullseye
1.1.1w-0+deb11u1
fixed
bullseye (security)
1.1.1w-0+deb11u2
fixed
bookworm
3.0.14-1~deb12u1
fixed
bookworm (security)
3.0.14-1~deb12u2
fixed
sid
3.3.2-2
fixed
trixie
3.3.2-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
openssl
xenial
not-affected
trusty
not-affected
precise
not-affected
openssl098
xenial
dne
trusty
dne
precise
not-affected
References