SUSE-SU-2026:4021-1: c-ares&distro=SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS SUSE Linux Enterprise
Vulnerability summary
SUSE-SU-2026:4021-1 is a vulnerability in c-ares&distro=SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS SUSE Linux Enterprise with no CVSS score yet.
Advisory lineage
Upstream 6 · Downstream 0 · Related 6Timeline
- 07-09-2026PublishedVulnerability first disclosed.
- 13-09-2026Last modifiedVulnerability information updated.
Description
Security update for c-ares This update for c-ares fixes the following issues: - CVE-2024-25629: out of bounds read in ares__read_line() (bsc#1220279). - CVE-2025-31498: use-after-free in read_answers() when process_answer() may re-enqueue a query (bsc#1240955). - CVE-2025-62408: c-ares 1.32.3-1.34.5 use after free() (bsc#1254738). - CVE-2026-33630: Use-after-free / double-free in c-ares query-completion handling, remotely triggerable via ares_getaddrinfo() over TCP (bsc#1270416). - CVE-2026-69184: CPU-exhaustion denial of service via unbounded DNS name compression pointer chains (bsc#1276290). - CVE-2026-69186: Memory-amplification denial of service via unvalidated DNS header record counts (bsc#1276291). Changes for c-ares: - updated to 1.36.8.
CVSS metrics
Risk metrics not yet published.
EPSS trend
No EPSS score has been published for this record yet.
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Suse14 products
- c-ares&distro=SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS< 1.34.8-150000.3.29.1
- c-ares&distro=SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS< 1.34.8-150000.3.29.1
- c-ares&distro=SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS< 1.34.8-150000.3.29.1
- c-ares&distro=SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS< 1.34.8-150000.3.29.1
- c-ares&distro=SUSE Linux Enterprise Micro 5.3< 1.34.8-150000.3.29.1
1 vendor · 14 products