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.
SUSE-SU-2026:23597-1
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: osv:SUSE-SU-2026:23597-1
c-ares
Source reference: /affected/0/package/name
- Affected versions
- Not stated in this record
- Fixed versions
- 1.34.8-160000.1.1
Source reference:
/affected/0/ranges - Prerequisites
- Not stated in this record
c-ares
Source reference: /affected/1/package/name
- Affected versions
- Not stated in this record
- Fixed versions
- 1.34.8-160000.1.1
Source reference:
/affected/1/ranges - Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.34.8-160000.1.1"
}
]
}
],
"package": {
"name": "c-ares",
"purl": "pkg:rpm/suse/c-ares&distro=SUSE%20Linux%20Enterprise%20Server%2016.0",
"ecosystem": "SUSE:Linux Enterprise Server 16.0"
},
"database_specific": {
"source": "https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:23597-1.json"
},
"ecosystem_specific": {
"binaries": [
{
"libcares2": "1.34.8-160000.1.1",
"c-ares-devel": "1.34.8-160000.1.1",
"c-ares-utils": "1.34.8-160000.1.1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.34.8-160000.1.1"
}
]
}
],
"package": {
"name": "c-ares",
"purl": "pkg:rpm/suse/c-ares&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0",
"ecosystem": "SUSE:Linux Enterprise Server for SAP applications 16.0"
},
"database_specific": {
"source": "https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:23597-1.json"
},
"ecosystem_specific": {
"binaries": [
{
"libcares2": "1.34.8-160000.1.1",
"c-ares-devel": "1.34.8-160000.1.1",
"c-ares-utils": "1.34.8-160000.1.1"
}
]
}
}
]Publisher severity
No explicit severity was provided.
- Event
- #30871 · Revision 1
- Added to Heist Feed
- Publisher date