CVE-2019-11922

A race condition in the one-pass compression functions of Zstandard prior to version 1.3.8 could allow an attacker to write bytes out of bounds if an output buffer smaller than the recommended size was used.
Race Condition
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.1 HIGH
NETWORK
HIGH
NONE
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
facebookCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 69%
VendorProductVersion
facebookzstandard
𝑥
< 1.3.8
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libzstd
bullseye
1.4.8+dfsg-2.1
fixed
stretch
not-affected
bookworm
1.5.4+dfsg2-5
fixed
sid
1.5.6+dfsg-1
fixed
trixie
1.5.6+dfsg-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libzstd
kinetic
not-affected
jammy
not-affected
impish
not-affected
hirsute
not-affected
groovy
not-affected
focal
not-affected
eoan
not-affected
disco
not-affected
bionic
Fixed 1.3.3+dfsg-2ubuntu1.1
released
xenial
Fixed 1.3.1+dfsg-1~ubuntu0.16.04.1+esm2
released
trusty
dne
Common Weakness Enumeration
References
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00008.html
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00062.html
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00078.html
https://github.com/facebook/zstd/pull/1404/commits/3e5cdf1b6a85843e991d7d10f6a2567c15580da0
https://usn.ubuntu.com/4108-1/
https://www.facebook.com/security/advisories/cve-2019-11922
https://www.oracle.com/security-alerts/cpuoct2020.html
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00008.html
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00062.html
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00078.html
https://github.com/facebook/zstd/pull/1404/commits/3e5cdf1b6a85843e991d7d10f6a2567c15580da0
https://usn.ubuntu.com/4108-1/
https://www.facebook.com/security/advisories/cve-2019-11922
https://www.oracle.com/security-alerts/cpuoct2020.html