SUSE-SU-2026:22022-1
Vulnerability from csaf_suse - Published: 2026-06-02 13:57 - Updated: 2026-09-16 19:54Summary
Security update for memcached
Severity
Important
Notes
Title of the patch: Security update for memcached
Description of the patch: This update for memcached fixes the following issues
- CVE-2026-47783: timing side-channel in SASL password database authentication (username) (bsc#1265873).
- CVE-2026-47784: timing side-channel in SASL password database authentication (password) (bsc#1265881).
Patchnames: SUSE-SLES-16.0-877
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
8.1 (High)
Affected products
Recommended
16 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: SUSE Linux Enterprise Server 16.0:memcached-1.6.38-160000.3.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server 16.0:memcached-1.6.38-160000.3.1.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server 16.0:memcached-1.6.38-160000.3.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server 16.0:memcached-1.6.38-160000.3.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server 16.0:memcached-devel-1.6.38-160000.3.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server 16.0:memcached-devel-1.6.38-160000.3.1.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server 16.0:memcached-devel-1.6.38-160000.3.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server 16.0:memcached-devel-1.6.38-160000.3.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server for SAP applications 16.0:memcached-1.6.38-160000.3.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server for SAP applications 16.0:memcached-1.6.38-160000.3.1.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server for SAP applications 16.0:memcached-1.6.38-160000.3.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server for SAP applications 16.0:memcached-1.6.38-160000.3.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server for SAP applications 16.0:memcached-devel-1.6.38-160000.3.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server for SAP applications 16.0:memcached-devel-1.6.38-160000.3.1.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server for SAP applications 16.0:memcached-devel-1.6.38-160000.3.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server for SAP applications 16.0:memcached-devel-1.6.38-160000.3.1.x86_64 | — |
Vendor Fix
|
Threats
Impact
important
8.1 (High)
Affected products
Recommended
16 products, the same list as for
CVE-2026-47783
Threats
Impact
important
References
12 references
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"vulnerabilities": [
{
"cve": "CVE-2026-47783",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2026-47783"
}
],
"notes": [
{
"category": "general",
"text": "In memcached before 1.6.42, username data for SASL password database authentication has a timing side channel because a loop exits as soon as a valid username is found by sasl_server_userdb_checkpass.",
"title": "CVE description"
}
],
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"references": [
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"url": "https://www.suse.com/security/cve/CVE-2026-47783"
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{
"category": "external",
"summary": "SUSE Bug 1265873 for CVE-2026-47783",
"url": "https://bugzilla.suse.com/1265873"
}
],
"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": [
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],
"scores": [
{
"cvss_v3": {
"baseScore": 8.1,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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],
"threats": [
{
"category": "impact",
"date": "2026-06-02T13:57:11Z",
"details": "important"
}
],
"title": "CVE-2026-47783"
},
{
"cve": "CVE-2026-47784",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2026-47784"
}
],
"notes": [
{
"category": "general",
"text": "In memcached before 1.6.42, password data for SASL password database authentication has a timing side channel because memcmp is used by sasl_server_userdb_checkpass.",
"title": "CVE description"
}
],
"product_status": {
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"references": [
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"summary": "CVE-2026-47784",
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},
{
"category": "external",
"summary": "SUSE Bug 1265881 for CVE-2026-47784",
"url": "https://bugzilla.suse.com/1265881"
}
],
"remediations": [
{
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],
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{
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"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
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},
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"threats": [
{
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"date": "2026-06-02T13:57:11Z",
"details": "important"
}
],
"title": "CVE-2026-47784"
}
]
}
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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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