OPENSUSE-SU-2026:11593-1
Vulnerability from csaf_opensuse - Published: 2026-08-25 00:00 - Updated: 2026-09-19 08:20Summary
c-ares-devel-1.34.8-1.1 on GA media
Severity
Moderate
Notes
Title of the patch: c-ares-devel-1.34.8-1.1 on GA media
Description of the patch: These are all security issues fixed in the c-ares-devel-1.34.8-1.1 package on the GA media of openSUSE Tumbleweed.
Patchnames: openSUSE-Tumbleweed-2026-11593
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
7.5 (High)
Affected products
Recommended
16 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: openSUSE Tumbleweed:c-ares-devel-0:1.34.8-1.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Tumbleweed:c-ares-devel-0:1.34.8-1.1.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Tumbleweed:c-ares-devel-0:1.34.8-1.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Tumbleweed:c-ares-devel-0:1.34.8-1.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Tumbleweed:c-ares-utils-0:1.34.8-1.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Tumbleweed:c-ares-utils-0:1.34.8-1.1.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Tumbleweed:c-ares-utils-0:1.34.8-1.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Tumbleweed:c-ares-utils-0:1.34.8-1.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Tumbleweed:libcares2-0:1.34.8-1.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Tumbleweed:libcares2-0:1.34.8-1.1.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Tumbleweed:libcares2-0:1.34.8-1.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Tumbleweed:libcares2-0:1.34.8-1.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Tumbleweed:libcares2-32bit-0:1.34.8-1.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Tumbleweed:libcares2-32bit-0:1.34.8-1.1.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Tumbleweed:libcares2-32bit-0:1.34.8-1.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Tumbleweed:libcares2-32bit-0:1.34.8-1.1.x86_64 | — |
Vendor Fix
|
Threats
Impact
important
7.5 (High)
Affected products
Recommended
16 products, the same list as for
CVE-2026-33630
Threats
Impact
important
5.3 (Medium)
Affected products
Recommended
16 products, the same list as for
CVE-2026-33630
Threats
Impact
moderate
References
11 references
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"name": "libcares2-32bit-0:1.34.8-1.1.aarch64 as component of openSUSE Tumbleweed",
"product_id": "openSUSE Tumbleweed:libcares2-32bit-0:1.34.8-1.1.aarch64"
},
"product_reference": "libcares2-32bit-0:1.34.8-1.1.aarch64",
"relates_to_product_reference": "openSUSE Tumbleweed"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "libcares2-32bit-0:1.34.8-1.1.ppc64le as component of openSUSE Tumbleweed",
"product_id": "openSUSE Tumbleweed:libcares2-32bit-0:1.34.8-1.1.ppc64le"
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"product_id": "openSUSE Tumbleweed:libcares2-32bit-0:1.34.8-1.1.s390x"
},
"product_reference": "libcares2-32bit-0:1.34.8-1.1.s390x",
"relates_to_product_reference": "openSUSE Tumbleweed"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "libcares2-32bit-0:1.34.8-1.1.x86_64 as component of openSUSE Tumbleweed",
"product_id": "openSUSE Tumbleweed:libcares2-32bit-0:1.34.8-1.1.x86_64"
},
"product_reference": "libcares2-32bit-0:1.34.8-1.1.x86_64",
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]
},
"vulnerabilities": [
{
"cve": "CVE-2026-33630",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2026-33630"
}
],
"notes": [
{
"category": "general",
"text": "c-ares is an asynchronous resolver library. From ver 1.32.3 until 1.34.7, a use-after-free / double-free in c-ares\u0027 query-completion handling. The same flaw - a query\u0027s callback being invoked while the query is still linked in the channel\u0027s internal lookup structures - is present at multiple points in the resend/finish path (timeout handling, response handling, and query dispatch). If the query, or for ares_getaddrinfo() the owning host_query, is freed as a side effect of that callback, it is then accessed and/or freed a second time. This vulnerability is fixed in ver 1.34.7.",
"title": "CVE description"
}
],
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{
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"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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{
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"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
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]
}
],
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{
"category": "impact",
"date": "2026-08-25T00:00:00Z",
"details": "important"
}
],
"title": "CVE-2026-33630"
},
{
"cve": "CVE-2026-69184",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2026-69184"
}
],
"notes": [
{
"category": "general",
"text": "c-ares is an asynchronous resolver library. Prior to 1.34.7, ares_dns_name_parse() enforces backward DNS compression pointers but does not bound the total pointer hops or assembled name length. A malicious DNS server can send a response containing a long descending pointer chain and many resource records whose NAME or RDATA fields refer to the chain, causing repeated decompression work that grows quadratically with message size. A single crafted response can stall the single-threaded c-ares event loop and deny DNS resolution, without causing memory corruption or information disclosure. This issue is fixed in version 1.34.7.",
"title": "CVE description"
}
],
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"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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}
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"version": "3.1"
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{
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}
],
"notes": [
{
"category": "general",
"text": "c-ares is an asynchronous resolver library. Prior to 1.34.7, ares_dns_parse() trusts the attacker-controlled ANCOUNT, NSCOUNT, and ARCOUNT fields before confirming that the DNS response contains enough bytes for the claimed records. Because process_answer() invokes parsing before transaction ID and question validation, a malicious DNS response can cause ares_dns_record_rr_prealloc() and ares_array_set_size() to reserve disproportionate heap memory for a tiny message. Repeated responses create large allocation and release cycles that can degrade or deny name resolution, without causing memory corruption or information disclosure. This issue is fixed in version 1.34.7.",
"title": "CVE description"
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"date": "2026-08-25T00:00:00Z",
"details": "moderate"
}
],
"title": "CVE-2026-69186"
}
]
}
Loading…
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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