openSUSE-SU-2026:21721-1

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Import Source
https://ftp.suse.com/pub/projects/security/osv/openSUSE-SU-2026:21721-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/openSUSE-SU-2026:21721-1
Upstream
  • CVE-2026-69184
  • CVE-2026-69186
Related
Published
2026-09-01T15:48:33Z
Modified
2026-09-02T18:23:14Z
Summary
Security update for c-ares
Details

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:

References

Affected packages

openSUSE:Leap 16.0 / c-ares

Package

Name
c-ares
Purl
pkg:rpm/opensuse/c-ares&distro=openSUSE%20Leap%2016.0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.34.8-160000.1.1

Ecosystem specific 

{
    "binaries": [
        {
            "c-ares-devel": "1.34.8-160000.1.1",
            "c-ares-utils": "1.34.8-160000.1.1",
            "libcares2": "1.34.8-160000.1.1"
        }
    ]
}

Database specific

source 
"https://ftp.suse.com/pub/projects/security/osv/openSUSE-SU-2026:21721-1.json"