WID-SEC-W-2026-1296
Vulnerability from csaf_certbund - Published: 2026-04-28 22:00 - Updated: 2026-05-04 22:00Summary
Mozilla Firefox und Firefox ESR: Mehrere Schwachstellen
Severity
Hoch
Notes
Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung: Firefox ist ein Open Source Web Browser.
Firefox ist ein Open Source Web Browser.
ESR ist die Variante mit verlängertem Support.
Angriff: Ein Angreifer kann mehrere Schwachstellen in Mozilla Firefox und Mozilla Firefox ESR ausnutzen, um potenziell beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen oder andere, nicht näher spezifizierte Angriffe durchzuführen.
Betroffene Betriebssysteme: - Sonstiges
- UNIX
- Windows
References
{
"document": {
"aggregate_severity": {
"text": "hoch"
},
"category": "csaf_base",
"csaf_version": "2.0",
"distribution": {
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "de-DE",
"notes": [
{
"category": "legal_disclaimer",
"text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
},
{
"category": "description",
"text": "Firefox ist ein Open Source Web Browser.\r\nFirefox ist ein Open Source Web Browser. \r\nESR ist die Variante mit verl\u00e4ngertem Support.",
"title": "Produktbeschreibung"
},
{
"category": "summary",
"text": "Ein Angreifer kann mehrere Schwachstellen in Mozilla Firefox und Mozilla Firefox ESR ausnutzen, um potenziell beliebigen Code auszuf\u00fchren, Sicherheitsma\u00dfnahmen zu umgehen, vertrauliche Informationen offenzulegen oder andere, nicht n\u00e4her spezifizierte Angriffe durchzuf\u00fchren.",
"title": "Angriff"
},
{
"category": "general",
"text": "- Sonstiges\n- UNIX\n- Windows",
"title": "Betroffene Betriebssysteme"
}
],
"publisher": {
"category": "other",
"contact_details": "csaf-provider@cert-bund.de",
"name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
"namespace": "https://www.bsi.bund.de"
},
"references": [
{
"category": "self",
"summary": "WID-SEC-W-2026-1296 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1296.json"
},
{
"category": "self",
"summary": "WID-SEC-2026-1296 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1296"
},
{
"category": "external",
"summary": "Mozilla Security Advisory mfsa2026-35 vom 2026-04-28",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-35/"
},
{
"category": "external",
"summary": "Mozilla Security Advisory mfsa2026-36 vom 2026-04-28",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-36/"
},
{
"category": "external",
"summary": "Mozilla Security Advisory mfsa2026-37 vom 2026-04-28",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-37/"
},
{
"category": "external",
"summary": "GitHub Security Advisory GHSA-fpr3-wjv4-wj6q vom 2026-04-28",
"url": "https://github.com/advisories/GHSA-fpr3-wjv4-wj6q"
},
{
"category": "external",
"summary": "GitHub Security Advisory GHSA-j2rp-6m32-crr3 vom 2026-04-28",
"url": "https://github.com/advisories/GHSA-j2rp-6m32-crr3"
},
{
"category": "external",
"summary": "Debian Security Advisory DSA-6236 vom 2026-04-29",
"url": "https://lists.debian.org/debian-security-announce/2026/msg00146.html"
},
{
"category": "external",
"summary": "Debian Security Advisory DLA-4555 vom 2026-04-30",
"url": "https://lists.debian.org/debian-lts-announce/2026/04/msg00035.html"
},
{
"category": "external",
"summary": "Debian Security Advisory DSA-6242 vom 2026-05-04",
"url": "https://lists.debian.org/debian-security-announce/2026/msg00153.html"
},
{
"category": "external",
"summary": "Mozilla Security Advisory MFSA2026-38 vom 2026-04-30",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-38/"
},
{
"category": "external",
"summary": "Mozilla Security Advisory MFSA2026-39 vom 2026-04-30",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-39/"
},
{
"category": "external",
"summary": "Debian Security Advisory DLA-4562 vom 2026-05-04",
"url": "https://lists.debian.org/debian-lts-announce/2026/05/msg00006.html"
},
{
"category": "external",
"summary": "IGEL Security Notice ISN-2026-16 vom 2026-05-04",
"url": "https://kb.igel.com/en/security-safety/current/isn-2026-16-firefox-vulnerabilities"
}
],
"source_lang": "en-US",
"title": "Mozilla Firefox und Firefox ESR: Mehrere Schwachstellen",
"tracking": {
"current_release_date": "2026-05-04T22:00:00.000+00:00",
"generator": {
"date": "2026-05-05T08:06:15.103+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.5.0"
}
},
"id": "WID-SEC-W-2026-1296",
"initial_release_date": "2026-04-28T22:00:00.000+00:00",
"revision_history": [
{
"date": "2026-04-28T22:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2026-04-29T22:00:00.000+00:00",
"number": "2",
"summary": "Neue Updates von Debian aufgenommen"
},
{
"date": "2026-05-03T22:00:00.000+00:00",
"number": "3",
"summary": "Neue Updates von Debian und Mozilla aufgenommen"
},
{
"date": "2026-05-04T22:00:00.000+00:00",
"number": "4",
"summary": "Neue Updates von Debian und IGEL aufgenommen"
}
],
"status": "final",
"version": "4"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"category": "product_name",
"name": "Debian Linux",
"product": {
"name": "Debian Linux",
"product_id": "2951",
"product_identification_helper": {
"cpe": "cpe:/o:debian:debian_linux:-"
}
}
}
],
"category": "vendor",
"name": "Debian"
},
{
"branches": [
{
"category": "product_name",
"name": "IGEL OS",
"product": {
"name": "IGEL OS",
"product_id": "T017865",
"product_identification_helper": {
"cpe": "cpe:/o:igel:os:-"
}
}
}
],
"category": "vendor",
"name": "IGEL"
},
{
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c150.0.1",
"product": {
"name": "Mozilla Firefox \u003c150.0.1",
"product_id": "T053378"
}
},
{
"category": "product_version",
"name": "150.0.1",
"product": {
"name": "Mozilla Firefox 150.0.1",
"product_id": "T053378-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:mozilla:firefox:150.0.1"
}
}
}
],
"category": "product_name",
"name": "Firefox"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c140.10.1",
"product": {
"name": "Mozilla Firefox ESR \u003c140.10.1",
"product_id": "T053379"
}
},
{
"category": "product_version",
"name": "140.10.1",
"product": {
"name": "Mozilla Firefox ESR 140.10.1",
"product_id": "T053379-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:mozilla:firefox_esr:140.10.1"
}
}
},
{
"category": "product_version_range",
"name": "\u003c115.35.1",
"product": {
"name": "Mozilla Firefox ESR \u003c115.35.1",
"product_id": "T053380"
}
},
{
"category": "product_version",
"name": "115.35.1",
"product": {
"name": "Mozilla Firefox ESR 115.35.1",
"product_id": "T053380-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:mozilla:firefox_esr:115.35.1"
}
}
}
],
"category": "product_name",
"name": "Firefox ESR"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c140.10.1",
"product": {
"name": "Mozilla Thunderbird \u003c140.10.1",
"product_id": "T053462"
}
},
{
"category": "product_version",
"name": "140.10.1",
"product": {
"name": "Mozilla Thunderbird 140.10.1",
"product_id": "T053462-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:mozilla:thunderbird:140.10.1"
}
}
}
],
"category": "product_name",
"name": "Thunderbird"
}
],
"category": "vendor",
"name": "Mozilla"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2026-7320",
"product_status": {
"known_affected": [
"T053462",
"2951",
"T017865",
"T053380",
"T053378",
"T053379"
]
},
"release_date": "2026-04-28T22:00:00.000+00:00",
"title": "CVE-2026-7320"
},
{
"cve": "CVE-2026-7321",
"product_status": {
"known_affected": [
"T053462",
"2951",
"T017865",
"T053380",
"T053378",
"T053379"
]
},
"release_date": "2026-04-28T22:00:00.000+00:00",
"title": "CVE-2026-7321"
},
{
"cve": "CVE-2026-7322",
"product_status": {
"known_affected": [
"T053462",
"2951",
"T017865",
"T053380",
"T053378",
"T053379"
]
},
"release_date": "2026-04-28T22:00:00.000+00:00",
"title": "CVE-2026-7322"
},
{
"cve": "CVE-2026-7323",
"product_status": {
"known_affected": [
"T053462",
"2951",
"T017865",
"T053380",
"T053378",
"T053379"
]
},
"release_date": "2026-04-28T22:00:00.000+00:00",
"title": "CVE-2026-7323"
},
{
"cve": "CVE-2026-7324",
"product_status": {
"known_affected": [
"T053462",
"2951",
"T017865",
"T053380",
"T053378",
"T053379"
]
},
"release_date": "2026-04-28T22:00:00.000+00:00",
"title": "CVE-2026-7324"
}
]
}
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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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