CVE-2019-11922
Published: August 31, 2023Last modified: August 31, 2023
Description
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 8.1 |
| Attack Vector | NETWORK |
| Attack complexity | HIGH |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | zstd | Not affected (1.5.5-r0) |
| Stream | zstd | Not affected (1.5.5-r5) |
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