Packages
- c-ares - library for asynchronous name resolution
Details
Hannes Moesl discovered that c-ares incorrectly handled certain ipv6
addresses. An attacker could use this issue to cause c-ares to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2023-31130)
Xiang Li discovered that c-ares incorrectly handled certain UDP packets. A
remote attacker could possibly use this issue to cause c-res to crash,
resulting in a denial of service. (CVE-2023-32067)
Hannes Moesl discovered that c-ares incorrectly handled certain ipv6
addresses. An attacker could use this issue to cause c-ares to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2023-31130)
Xiang Li discovered that c-ares incorrectly handled certain UDP packets. A
remote attacker could possibly use this issue to cause c-res to crash,
resulting in a denial of service. (CVE-2023-32067)
Update instructions
In general, a standard system update will make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 23.04 lunar | libc-ares2 – 1.18.1-2ubuntu0.1 | ||
| 22.10 kinetic | libc-ares2 – 1.18.1-1ubuntu0.22.10.2 | ||
| 22.04 jammy | libc-ares2 – 1.18.1-1ubuntu0.22.04.2 | ||
| 20.04 focal | libc-ares2 – 1.15.0-1ubuntu0.3 | ||
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