CVE-2019-11922

3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 1.4%

exploitation probability

1.4%top 28% of all CVEs

observed exploitation

nono source reports it

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.

Affected products

Facebook · Zstandard

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