CERTFR-2026-AVI-0538
Vulnerability from certfr_avis - Published: 2026-05-06 - Updated: 2026-05-06
De multiples vulnérabilités ont été découvertes dans Asterisk. Elles permettent à un attaquant de provoquer un déni de service à distance.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
| Vendor | Product | Description | ||
|---|---|---|---|---|
| Asterisk | Asterisk | asterisk versions 22.8.x antérieures à 22.9.0 | ||
| Asterisk | Asterisk | asterisk versions 23.2.x antérieures à 23.3.0 | ||
| Asterisk | Asterisk | certified-asterisk versions 20.x antérieures à 20.7-cert10 | ||
| Asterisk | Asterisk | asterisk versions 20.18.x antérieures à 20.19.0 | ||
| Asterisk | Asterisk | asterisk versions 21.12.x antérieures à 21.12.2 | ||
| Asterisk | Asterisk | certified-asterisk versions 22.x antérieures à 22.8-cert2 |
References
| Title | Publication Time | Tags | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "asterisk versions 22.8.x ant\u00e9rieures \u00e0 22.9.0",
"product": {
"name": "Asterisk",
"vendor": {
"name": "Asterisk",
"scada": false
}
}
},
{
"description": "asterisk versions 23.2.x ant\u00e9rieures \u00e0 23.3.0",
"product": {
"name": "Asterisk",
"vendor": {
"name": "Asterisk",
"scada": false
}
}
},
{
"description": "certified-asterisk versions 20.x ant\u00e9rieures \u00e0 20.7-cert10",
"product": {
"name": "Asterisk",
"vendor": {
"name": "Asterisk",
"scada": false
}
}
},
{
"description": "asterisk versions 20.18.x ant\u00e9rieures \u00e0 20.19.0",
"product": {
"name": "Asterisk",
"vendor": {
"name": "Asterisk",
"scada": false
}
}
},
{
"description": "asterisk versions 21.12.x ant\u00e9rieures \u00e0 21.12.2",
"product": {
"name": "Asterisk",
"vendor": {
"name": "Asterisk",
"scada": false
}
}
},
{
"description": "certified-asterisk versions 22.x ant\u00e9rieures \u00e0 22.8-cert2",
"product": {
"name": "Asterisk",
"vendor": {
"name": "Asterisk",
"scada": false
}
}
}
],
"affected_systems_content": "",
"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-2026-32942",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-32942"
},
{
"name": "CVE-2026-28799",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-28799"
},
{
"name": "CVE-2026-25994",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-25994"
},
{
"name": "CVE-2026-33069",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-33069"
}
],
"initial_release_date": "2026-05-06T00:00:00",
"last_revision_date": "2026-05-06T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-0538",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-05-06T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service \u00e0 distance"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Asterisk. Elles permettent \u00e0 un attaquant de provoquer un d\u00e9ni de service \u00e0 distance.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans Asterisk",
"vendor_advisories": [
{
"published_at": "2026-05-05",
"title": "Bulletin de s\u00e9curit\u00e9 Asterisk GHSA-x2f3-ccvh-2rr2",
"url": "https://github.com/asterisk/asterisk/security/advisories/GHSA-x2f3-ccvh-2rr2"
},
{
"published_at": "2026-05-05",
"title": "Bulletin de s\u00e9curit\u00e9 Asterisk GHSA-x6qg-jfj6-6f93",
"url": "https://github.com/asterisk/asterisk/security/advisories/GHSA-x6qg-jfj6-6f93"
},
{
"published_at": "2026-05-05",
"title": "Bulletin de s\u00e9curit\u00e9 Asterisk GHSA-f948-v379-526c",
"url": "https://github.com/asterisk/asterisk/security/advisories/GHSA-f948-v379-526c"
},
{
"published_at": "2026-05-05",
"title": "Bulletin de s\u00e9curit\u00e9 Asterisk GHSA-rrfc-6662-c6hm",
"url": "https://github.com/asterisk/asterisk/security/advisories/GHSA-rrfc-6662-c6hm"
}
]
}
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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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