CVE-2019-9811 (GCVE-0-2019-9811)
Vulnerability from cvelistv5 – Published: 2019-07-23 13:26 – Updated: 2024-08-04 22:01
VLAI
EPSS
VEX
Summary
As part of a winning Pwn2Own entry, a researcher demonstrated a sandbox escape by installing a malicious language pack and then opening a browser feature that used the compromised translation. This vulnerability affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8.
Severity
8.3 (High)
CWE
- Sandbox escape via installation of malicious language pack
Assigner
References
15 references
Impacted products
3 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Mozilla | Firefox ESR |
Affected:
unspecified , < 60.8
(custom)
|
guessed | |
| Mozilla | Firefox |
Affected:
unspecified , < 68
(custom)
|
guessed | |
| Mozilla | Thunderbird |
Affected:
unspecified , < 60.8
(custom)
|
guessed |
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{\"url\": \"https://www.mozilla.org/security/advisories/mfsa2019-23/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}]",
"sourceIdentifier": "security@mozilla.org",
"vulnStatus": "Modified",
"weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-74\"}]}]"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2019-9811\",\"sourceIdentifier\":\"security@mozilla.org\",\"published\":\"2019-07-23T14:15:16.903\",\"lastModified\":\"2024-11-21T04:52:21.463\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"As part of a winning Pwn2Own entry, a researcher demonstrated a sandbox escape by installing a malicious language pack and then opening a browser feature that used the compromised translation. This vulnerability affects Firefox ESR \u003c 60.8, Firefox \u003c 68, and Thunderbird \u003c 60.8.\"},{\"lang\":\"es\",\"value\":\"Como parte de una entrada Pwn2Own ganadora, un investigador demostr\u00f3 un escape del sandbox mediante la instalaci\u00f3n de un paquete de idioma malicioso y luego abriendo una funcionalidad del navegador que usaba la traducci\u00f3n comprometida. Esta vulnerabilidad afecta a Firefox ESR anterior a versi\u00f3n 60.8, Firefox anterior a versi\u00f3n 68 y Thunderbird anterior a versi\u00f3n 60.8.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H\",\"baseScore\":8.3,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.6,\"impactScore\":6.0}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:H/Au:N/C:P/I:P/A:P\",\"baseScore\":5.1,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"HIGH\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":4.9,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":true}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-74\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"68.0\",\"matchCriteriaId\":\"BB53FE62-B5D2-497B-A7E3-40FFE81A9653\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"60.8\",\"matchCriteriaId\":\"478A688D-BFB6-4A48-AE93-4CEC1C742ACE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"60.8\",\"matchCriteriaId\":\"15F2ADA4-4884-4CB8-A426-9DFAA302DE79\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:novell:suse_package_hub_for_suse_linux_enterprise:12:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B5BEF8F1-A70F-455C-BFDD-09E0A658F702\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F1E78106-58E6-4D59-990F-75DA575BFAD9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B620311B-34A3-48A6-82DF-6F078D7A4493\"}]}]}],\"references\":[{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00055.html\",\"source\":\"security@mozilla.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00058.html\",\"source\":\"security@mozilla.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00073.html\",\"source\":\"security@mozilla.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html\",\"source\":\"security@mozilla.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html\",\"source\":\"security@mozilla.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://bugzilla.mozilla.org/show_bug.cgi?id=1538007\",\"source\":\"security@mozilla.org\",\"tags\":[\"Issue Tracking\",\"Permissions Required\"]},{\"url\":\"https://bugzilla.mozilla.org/show_bug.cgi?id=1539598\",\"source\":\"security@mozilla.org\",\"tags\":[\"Exploit\",\"Issue Tracking\",\"Patch\",\"Vendor 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Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2019/08/msg00002.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://security.gentoo.org/glsa/201908-12\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://security.gentoo.org/glsa/201908-20\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.mozilla.org/security/advisories/mfsa2019-21/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.mozilla.org/security/advisories/mfsa2019-22/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.mozilla.org/security/advisories/mfsa2019-23/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}",
"redhat_vex": {
"aggregate_severity": "Important",
"current_release_date": "2025-11-21T16:49:55+00:00",
"cve": "CVE-2019-9811",
"id": "CVE-2019-9811",
"initial_release_date": "2019-07-10T00:00:00+00:00",
"product_status:fixed": "229",
"product_status:known_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "Mozilla: Sandbox escape via installation of malicious language pack",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2019/cve-2019-9811.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "important",
"current_release_date": "2026-08-31T02:41:17Z",
"cve": "CVE-2019-9811",
"id": "CVE-2019-9811",
"initial_release_date": "2023-02-15T04:14:09Z",
"product_status:known_affected": "25",
"product_status:recommended": "1445",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2019-9811",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2019-9811.json",
"version": "26"
}
}
}
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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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