OPENSUSE-SU-2026:21721-1: c-ares&distro=openSUSE Leap 16.0 openSUSE

CVSS: UnknownPublished
Published 01-09-2026Last modified 02-09-2026
Open JSON

Vulnerability summary

OPENSUSE-SU-2026:21721-1 is a vulnerability in c-ares&distro=openSUSE Leap 16.0 openSUSE with no CVSS score yet.

Overall risk
0/100
0100
Minimal · default modelHow is this calculated?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
Not scored
0%100%
No EPSS score yet
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 3 · Downstream 0 · Related 3
CVE-2026-33630CVE-2026-69184CVE-2026-69186

Timeline

  1. 01-09-2026
    PublishedVulnerability first disclosed.
  2. 02-09-2026
    Last modifiedVulnerability information updated.

Description

Security update for c-ares This update for c-ares fixes the following issues: Updat to c-ares 1.36.8. - CVE-2026-33630: remotely triggerable use-after-free/double-free in query-completion handling 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: - For details, see https://c-ares.org/changelog.html.

CVSS metrics

Risk metrics not yet published.

EPSS trend

No EPSS score has been published for this record yet.

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Opensuse1 product
  • c-ares&distro=openSUSE Leap 16.0< 1.34.8-160000.1.1

1 vendor · 1 product

References

6 links