SUSE-SU-2026:23597-1

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Source
https://www.suse.com/support/update/announcement/2026/suse-su-202623597-1/
Import Source
https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:23597-1.json
JSON Data
https://api.osv.dev/v1/vulns/SUSE-SU-2026:23597-1
Upstream
CVE (3)
Related
CVE (3)
Published
2026-09-01T15:51:00Z
Modified
2026-09-29T18:23:19Z
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

SUSE:Linux Enterprise Server 16.0 / c-ares

Package

Name
c-ares
Purl
pkg:rpm/suse/c-ares&distro=SUSE%20Linux%20Enterprise%20Server%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/SUSE-SU-2026:23597-1.json"

SUSE:Linux Enterprise Server for SAP applications 16.0 / c-ares

Package

Name
c-ares
Purl
pkg:rpm/suse/c-ares&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%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/SUSE-SU-2026:23597-1.json"