Red Hat Security Advisory: c-ares security update
A low severity security vulnerability (CVE-2024-25629) exists in the c-ares C library used for asynchronous DNS requests and name resolving. The issue is an out-of-bounds read in the ares__read_line() function. Red Hat has issued a security advisory (RHSA-2024:3842) providing updates for Red Hat Enterprise Linux 9 and its variants to address this vulnerability.
AI Analysis
Technical Summary
The c-ares C library, which provides asynchronous DNS request functionality and name resolving APIs, contains an out-of-bounds read vulnerability in the ares__read_line() function (CVE-2024-25629). This vulnerability could potentially lead to reading memory outside the intended buffer boundaries. Red Hat has released updated packages for Red Hat Enterprise Linux 9 and its Extended Update Support and Extended Life Cycle variants to fix this issue. The security impact is rated as low by Red Hat Product Security.
Potential Impact
The vulnerability involves an out-of-bounds read, which may lead to information disclosure or application instability. The security impact is rated as low by Red Hat, indicating limited risk or difficulty in exploitation. There are no known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released updated c-ares packages for Red Hat Enterprise Linux 9 and its Extended Update Support and Extended Life Cycle variants to address this vulnerability. Users should apply the security update RHSA-2024:3842 after ensuring all previously released errata have been applied. Detailed update instructions are available from Red Hat's official documentation. No additional mitigation steps are indicated by the vendor.
Red Hat Security Advisory: c-ares security update
Description
A low severity security vulnerability (CVE-2024-25629) exists in the c-ares C library used for asynchronous DNS requests and name resolving. The issue is an out-of-bounds read in the ares__read_line() function. Red Hat has issued a security advisory (RHSA-2024:3842) providing updates for Red Hat Enterprise Linux 9 and its variants to address this vulnerability.
Affected software
pkg:rpm/redhat/c-aresRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The c-ares C library, which provides asynchronous DNS request functionality and name resolving APIs, contains an out-of-bounds read vulnerability in the ares__read_line() function (CVE-2024-25629). This vulnerability could potentially lead to reading memory outside the intended buffer boundaries. Red Hat has released updated packages for Red Hat Enterprise Linux 9 and its Extended Update Support and Extended Life Cycle variants to fix this issue. The security impact is rated as low by Red Hat Product Security.
Potential Impact
The vulnerability involves an out-of-bounds read, which may lead to information disclosure or application instability. The security impact is rated as low by Red Hat, indicating limited risk or difficulty in exploitation. There are no known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released updated c-ares packages for Red Hat Enterprise Linux 9 and its Extended Update Support and Extended Life Cycle variants to address this vulnerability. Users should apply the security update RHSA-2024:3842 after ensuring all previously released errata have been applied. Detailed update instructions are available from Red Hat's official documentation. No additional mitigation steps are indicated by the vendor.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2024:3842
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a3da1f44853345fc1833e6b
Added to database: 06/25/2026, 21:47:32 UTC
Last enriched: 06/25/2026, 22:48:20 UTC
Last updated: 06/26/2026, 00:21:00 UTC
Views: 4
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