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ALSA-2023:6635 Not scored

Moderate: c-ares security, bug fix, and enhancement update

The c-ares C library defines asynchronous DNS (Domain Name System) requests and provides name resolving API. The following packages have been upgraded to a later upstream version: c-ares (1.19.1). (BZ#2210370) Security Fix(es): * c-ares: buffer overflow in config_sortlist() due to missing string length check (CVE-2022-4904) * c-ares: Buffer Underwrite in ares_inet_net_pton() (CVE-2023-31130) * c-ares: Insufficient randomness in generation of DNS query IDs (CVE-2023-31147) * c-ares: AutoTools does not set CARES_RANDOM_FILE during cross compilation (CVE-2023-31124) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

Exploit probability Not scored
Published November 7, 2023
Required by Not available
Last source change February 4, 2026

02 / AFFECTED SOFTWARE

Affected packages

AlmaLinux:9 c-ares
AlmaLinux:9 c-ares-devel

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities ALSA-2023:6635

The c-ares C library defines asynchronous DNS (Domain Name System) requests and provides name resolving API. The following packages have been upgraded to a later upstream version: c-ares (1.19.1). (BZ#2210370) Security Fix(es): * c-ares: buffer overflow in config_sortlist() due to missing string length check (CVE-2022-4904) * c-ares: Buffer Underwrite in ares_inet_net_pton() (CVE-2023-31130) * c-ares: Insufficient randomness in generation of DNS query IDs (CVE-2023-31147) * c-ares: AutoTools does not set CARES_RANDOM_FILE during cross compilation (CVE-2023-31124) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

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05 / REFERENCES

Further evidence