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CERTFR-2026-AVI-0456
Vulnerability from certfr_avis - Published: 2026-04-17 - Updated: 2026-04-17
De multiples vulnérabilités ont été découvertes dans les produits Microsoft. Elles permettent à un attaquant de provoquer un problème de sécurité non spécifié par l'éditeur.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
NoneImpacted products
References
| Title | Publication Time | Tags | ||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "azl3 containerd2 0.0.0-1 versions ant\u00e9rieures \u00e0 2.0.0-19",
"product": {
"name": "N/A",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
},
{
"description": "cbl2 rubygem-rdiscount 2.2.0.2-3 versions ant\u00e9rieures \u00e0 2.2.0.2-4",
"product": {
"name": "N/A",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
}
],
"affected_systems_content": null,
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2026-35469",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-35469"
},
{
"name": "CVE-2026-35201",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-35201"
}
],
"initial_release_date": "2026-04-17T00:00:00",
"last_revision_date": "2026-04-17T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-0456",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-04-17T00:00:00.000000"
}
],
"risks": [
{
"description": "Non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans les produits Microsoft. Elles permettent \u00e0 un attaquant de provoquer un probl\u00e8me de s\u00e9curit\u00e9 non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans les produits Microsoft",
"vendor_advisories": [
{
"published_at": "2026-04-15",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2026-35201",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-35201"
},
{
"published_at": "2026-04-17",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2026-35469",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-35469"
}
]
}
CVE-2026-35201 (GCVE-0-2026-35201)
Vulnerability from cvelistv5 – Published: 2026-04-06 19:49 – Updated: 2026-04-07 16:21
VLAI
EPSS
Title
Discount has an Out-of-bounds Read in rdiscount
Summary
Discount is an implementation of John Gruber's Markdown markup language in C. From 1.3.1.1 to before 2.2.7.4, a signed length truncation bug causes an out-of-bounds read in the default Markdown parse path. Inputs larger than INT_MAX are truncated to a signed int before entering the native parser, allowing the parser to read past the end of the supplied buffer and crash the process. This vulnerability is fixed in 2.2.7.4.
Severity
5.9 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/davidfstr/rdiscount/security/a… | x_refsource_CONFIRM |
Impacted products
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CVE-2026-35469 (GCVE-0-2026-35469)
Vulnerability from cvelistv5 – Published: 2026-04-16 21:19 – Updated: 2026-07-01 12:04
VLAI
EPSS
Title
SpdyStream: DOS on CRI
Summary
spdystream is a Go library for multiplexing streams over SPDY connections. In versions 0.5.0 and below, the SPDY/3 frame parser does not validate attacker-controlled counts and lengths before allocating memory. Three allocation paths are affected: the SETTINGS frame entry count, the header count in parseHeaderValueBlock, and individual header field sizes — all read as 32-bit integers and used directly as allocation sizes with no bounds checking. Because SPDY header blocks are zlib-compressed, a small on-the-wire payload can decompress into large attacker-controlled values. A remote peer that can send SPDY frames to a service using spdystream can exhaust process memory and cause an out-of-memory crash with a single crafted control frame. This issue has been fixed in version 0.5.1.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
50 references
Impacted products
40 products
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"value": "RHSA-2026:27941: Red Hat Container Native Virtualization 4.22"
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{
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"value": "RHSA-2026:21697: Red Hat OpenShift Container Platform 4.12"
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"value": "RHSA-2026:25009: Red Hat OpenShift Container Platform 4.14"
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"timeline": [
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"time": "2026-04-13T03:52:35.000Z",
"value": "Reported to Red Hat."
},
{
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"time": "2026-04-13T23:59:59.000Z",
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],
"title": "Kubelet: CRI-O: kube-apiserver: Kubelet, CRI-O, kube-apiserver: Denial of Service via SPDY streaming code",
"workarounds": [
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"value": "To mitigate this issue, review and restrict the assignment of Kubernetes cluster roles `pods/portforward (create)`, `pods/exec (create)`, `pods/attach (create)`, and `nodes/proxy (get/create)` to untrusted users or service accounts. Ensure that only authorized and necessary entities possess these permissions. Modifying RBAC policies can impact the functionality of applications and services that rely on these permissions; careful testing is recommended."
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"subConfidentialityImpact": "NONE",
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"title": "SpdyStream: DOS on CRI"
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"dateReserved": "2026-04-02T20:49:44.452Z",
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}
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Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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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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