OPENSUSE-SU-2026:10632-1
Vulnerability from csaf_opensuse - Published: 2026-04-28 00:00 - Updated: 2026-04-28 00:00Summary
dnsdist-2.0.5-1.1 on GA media
Severity
Moderate
Notes
Title of the patch: dnsdist-2.0.5-1.1 on GA media
Description of the patch: These are all security issues fixed in the dnsdist-2.0.5-1.1 package on the GA media of openSUSE Tumbleweed.
Patchnames: openSUSE-Tumbleweed-2026-10632
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)
Vendor Fix
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
5.3 (Medium)
Vendor Fix
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
5.3 (Medium)
Vendor Fix
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Vendor Fix
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
7.5 (High)
Vendor Fix
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
7.5 (High)
Vendor Fix
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
6.5 (Medium)
Vendor Fix
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
7.5 (High)
Vendor Fix
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
9.1 (Critical)
Vendor Fix
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
8.1 (High)
Vendor Fix
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
8.2 (High)
Vendor Fix
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
References
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"title": "dnsdist-2.0.5-1.1 on GA media",
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"category": "general",
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{
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"text": "A client can trigger a divide by zero error leading to crash by sending a crafted DNSCrypt query.",
"title": "CVE description"
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}
],
"notes": [
{
"category": "general",
"text": "A client can trigger excessive memory allocation by generating a lot of errors responses over a single DoQ and DoH3 connection, as some resources were not properly released until the end of the connection.",
"title": "CVE description"
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{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
"openSUSE Tumbleweed:dnsdist-2.0.5-1.1.aarch64",
"openSUSE Tumbleweed:dnsdist-2.0.5-1.1.ppc64le",
"openSUSE Tumbleweed:dnsdist-2.0.5-1.1.s390x",
"openSUSE Tumbleweed:dnsdist-2.0.5-1.1.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 7.5,
"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"
},
"products": [
"openSUSE Tumbleweed:dnsdist-2.0.5-1.1.aarch64",
"openSUSE Tumbleweed:dnsdist-2.0.5-1.1.ppc64le",
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"openSUSE Tumbleweed:dnsdist-2.0.5-1.1.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2026-04-28T00:00:00Z",
"details": "important"
}
],
"title": "CVE-2026-33595"
},
{
"cve": "CVE-2026-33596",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2026-33596"
}
],
"notes": [
{
"category": "general",
"text": "A client might theoretically be able to cause a mismatch between queries sent to a backend and the received responses by sending a flood of perfectly timed queries that are routed to a TCP-only or DNS over TLS backend.",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
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"openSUSE Tumbleweed:dnsdist-2.0.5-1.1.ppc64le",
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]
},
"references": [
{
"category": "external",
"summary": "CVE-2026-33596",
"url": "https://www.suse.com/security/cve/CVE-2026-33596"
},
{
"category": "external",
"summary": "SUSE Bug 1262543 for CVE-2026-33596",
"url": "https://bugzilla.suse.com/1262543"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
"openSUSE Tumbleweed:dnsdist-2.0.5-1.1.aarch64",
"openSUSE Tumbleweed:dnsdist-2.0.5-1.1.ppc64le",
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"openSUSE Tumbleweed:dnsdist-2.0.5-1.1.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"products": [
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"openSUSE Tumbleweed:dnsdist-2.0.5-1.1.ppc64le",
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"openSUSE Tumbleweed:dnsdist-2.0.5-1.1.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2026-04-28T00:00:00Z",
"details": "moderate"
}
],
"title": "CVE-2026-33596"
},
{
"cve": "CVE-2026-33597",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2026-33597"
}
],
"notes": [
{
"category": "general",
"text": "PRSD detection denial of service",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
"openSUSE Tumbleweed:dnsdist-2.0.5-1.1.aarch64",
"openSUSE Tumbleweed:dnsdist-2.0.5-1.1.ppc64le",
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]
},
"references": [
{
"category": "external",
"summary": "CVE-2026-33597",
"url": "https://www.suse.com/security/cve/CVE-2026-33597"
},
{
"category": "external",
"summary": "SUSE Bug 1262542 for CVE-2026-33597",
"url": "https://bugzilla.suse.com/1262542"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
"openSUSE Tumbleweed:dnsdist-2.0.5-1.1.aarch64",
"openSUSE Tumbleweed:dnsdist-2.0.5-1.1.ppc64le",
"openSUSE Tumbleweed:dnsdist-2.0.5-1.1.s390x",
"openSUSE Tumbleweed:dnsdist-2.0.5-1.1.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 7.5,
"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"
},
"products": [
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"openSUSE Tumbleweed:dnsdist-2.0.5-1.1.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2026-04-28T00:00:00Z",
"details": "important"
}
],
"title": "CVE-2026-33597"
},
{
"cve": "CVE-2026-33598",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2026-33598"
}
],
"notes": [
{
"category": "general",
"text": "A cached crafted response can cause an out-of-bounds read if custom Lua code calls getDomainListByAddress() or getAddressListByDomain() on a packet cache.",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
"openSUSE Tumbleweed:dnsdist-2.0.5-1.1.aarch64",
"openSUSE Tumbleweed:dnsdist-2.0.5-1.1.ppc64le",
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]
},
"references": [
{
"category": "external",
"summary": "CVE-2026-33598",
"url": "https://www.suse.com/security/cve/CVE-2026-33598"
},
{
"category": "external",
"summary": "SUSE Bug 1262541 for CVE-2026-33598",
"url": "https://bugzilla.suse.com/1262541"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
"openSUSE Tumbleweed:dnsdist-2.0.5-1.1.aarch64",
"openSUSE Tumbleweed:dnsdist-2.0.5-1.1.ppc64le",
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"openSUSE Tumbleweed:dnsdist-2.0.5-1.1.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 9.1,
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
"version": "3.1"
},
"products": [
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"openSUSE Tumbleweed:dnsdist-2.0.5-1.1.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2026-04-28T00:00:00Z",
"details": "critical"
}
],
"title": "CVE-2026-33598"
},
{
"cve": "CVE-2026-33599",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2026-33599"
}
],
"notes": [
{
"category": "general",
"text": "A rogue backend can send a crafted SVCB response to a Discovery of Designated Resolvers request, when requested via either the autoUpgrade (Lua) option to newServer or auto_upgrade (YAML) settings. DDR upgrade is not enabled by default.",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
"openSUSE Tumbleweed:dnsdist-2.0.5-1.1.aarch64",
"openSUSE Tumbleweed:dnsdist-2.0.5-1.1.ppc64le",
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]
},
"references": [
{
"category": "external",
"summary": "CVE-2026-33599",
"url": "https://www.suse.com/security/cve/CVE-2026-33599"
},
{
"category": "external",
"summary": "SUSE Bug 1262540 for CVE-2026-33599",
"url": "https://bugzilla.suse.com/1262540"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
"openSUSE Tumbleweed:dnsdist-2.0.5-1.1.aarch64",
"openSUSE Tumbleweed:dnsdist-2.0.5-1.1.ppc64le",
"openSUSE Tumbleweed:dnsdist-2.0.5-1.1.s390x",
"openSUSE Tumbleweed:dnsdist-2.0.5-1.1.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 8.1,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
"version": "3.1"
},
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]
}
],
"threats": [
{
"category": "impact",
"date": "2026-04-28T00:00:00Z",
"details": "important"
}
],
"title": "CVE-2026-33599"
},
{
"cve": "CVE-2026-33602",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2026-33602"
}
],
"notes": [
{
"category": "general",
"text": "A rogue backend can send a crafted UDP response with a query ID off by one related to the maximum configured value, triggering an out-of-bounds write leading to a denial of service.",
"title": "CVE description"
}
],
"product_status": {
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},
"references": [
{
"category": "external",
"summary": "CVE-2026-33602",
"url": "https://www.suse.com/security/cve/CVE-2026-33602"
},
{
"category": "external",
"summary": "SUSE Bug 1262539 for CVE-2026-33602",
"url": "https://bugzilla.suse.com/1262539"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
"openSUSE Tumbleweed:dnsdist-2.0.5-1.1.aarch64",
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]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 8.2,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H",
"version": "3.1"
},
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}
],
"threats": [
{
"category": "impact",
"date": "2026-04-28T00:00:00Z",
"details": "important"
}
],
"title": "CVE-2026-33602"
}
]
}
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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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