Red Hat Security Advisory: nodejs:20 security update
A use-after-free vulnerability (CVE-2025-31498) exists in the c-ares library component used by Node. js 20, specifically in the read_answers() function. This vulnerability has been rated as having moderate security impact by Red Hat Product Security. The issue affects multiple Red Hat Enterprise Linux 9. 4 Extended Update Support versions. An update addressing this vulnerability is available from Red Hat. No known exploits are reported in the wild at this time.
AI Analysis
Technical Summary
The vulnerability CVE-2025-31498 is a use-after-free flaw in the c-ares library's read_answers() function, which is part of the Node.js 20 platform. This flaw could potentially lead to memory corruption issues. Red Hat has issued a security advisory (RHSA-2025:7537) for their Node.js 20 packages on Red Hat Enterprise Linux 9.4 Extended Update Support, rating the impact as moderate. The advisory includes updated packages to remediate this vulnerability.
Potential Impact
The use-after-free vulnerability could allow an attacker to cause memory corruption, which may lead to application crashes or potentially arbitrary code execution depending on the context. However, Red Hat rates the security impact as moderate and no known exploits have been reported in the wild, indicating the immediate risk is limited but should still be addressed.
Mitigation Recommendations
Red Hat has released updated Node.js 20 packages for Red Hat Enterprise Linux 9.4 Extended Update Support that fix the use-after-free vulnerability in c-ares. Users should apply these official updates as detailed in the Red Hat advisory RHSA-2025:7537 and the referenced article https://access.redhat.com/articles/11258. Patch status is confirmed as available. No additional mitigation steps are indicated by the vendor.
Red Hat Security Advisory: nodejs:20 security update
Description
A use-after-free vulnerability (CVE-2025-31498) exists in the c-ares library component used by Node. js 20, specifically in the read_answers() function. This vulnerability has been rated as having moderate security impact by Red Hat Product Security. The issue affects multiple Red Hat Enterprise Linux 9. 4 Extended Update Support versions. An update addressing this vulnerability is available from Red Hat. No known exploits are reported in the wild at this time.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability CVE-2025-31498 is a use-after-free flaw in the c-ares library's read_answers() function, which is part of the Node.js 20 platform. This flaw could potentially lead to memory corruption issues. Red Hat has issued a security advisory (RHSA-2025:7537) for their Node.js 20 packages on Red Hat Enterprise Linux 9.4 Extended Update Support, rating the impact as moderate. The advisory includes updated packages to remediate this vulnerability.
Potential Impact
The use-after-free vulnerability could allow an attacker to cause memory corruption, which may lead to application crashes or potentially arbitrary code execution depending on the context. However, Red Hat rates the security impact as moderate and no known exploits have been reported in the wild, indicating the immediate risk is limited but should still be addressed.
Mitigation Recommendations
Red Hat has released updated Node.js 20 packages for Red Hat Enterprise Linux 9.4 Extended Update Support that fix the use-after-free vulnerability in c-ares. Users should apply these official updates as detailed in the Red Hat advisory RHSA-2025:7537 and the referenced article https://access.redhat.com/articles/11258. Patch status is confirmed as available. 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-2025:7537
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a1f4e89e29bf47b500832c7
Added to database: 6/2/2026, 9:43:37 PM
Last enriched: 6/2/2026, 10:17:15 PM
Last updated: 6/3/2026, 5:08:12 AM
Views: 3
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