Vulnerability Instance
Lookup for vulnerabilities affecting packages.
GET /api/vulnerabilities/63117?format=api
{ "url": "http://public2.vulnerablecode.io/api/vulnerabilities/63117?format=api", "vulnerability_id": "VCID-g2et-bnvt-9fem", "summary": "During the initialization of a new content process, a race condition occurs that can allow a content process to disclose heap addresses from the parent process. *Note: this issue only occurs on Windows. Other operating systems are unaffected.*", "aliases": [ { "alias": "CVE-2019-17021" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/582227?format=api", "purl": "pkg:deb/debian/firefox@0?distro=sid", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@0%3Fdistro=sid" }, { "url": "http://public2.vulnerablecode.io/api/packages/582059?format=api", "purl": "pkg:deb/debian/firefox@149.0-1?distro=sid", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@149.0-1%3Fdistro=sid" }, { "url": "http://public2.vulnerablecode.io/api/packages/1059611?format=api", "purl": "pkg:deb/debian/firefox@149.0.2-1?distro=sid", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox@149.0.2-1%3Fdistro=sid" }, { "url": "http://public2.vulnerablecode.io/api/packages/582233?format=api", "purl": "pkg:deb/debian/firefox-esr@0?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox-esr@0%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/582079?format=api", "purl": "pkg:deb/debian/firefox-esr@115.14.0esr-1~deb11u1?distro=trixie", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5dw5-vpt8-zqbz" }, { "vulnerability": "VCID-9ag7-z86d-nba9" }, { "vulnerability": "VCID-qbzp-euvv-q7c7" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox-esr@115.14.0esr-1~deb11u1%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/582080?format=api", "purl": "pkg:deb/debian/firefox-esr@128.14.0esr-1~deb12u1?distro=trixie", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-f81v-9fv8-93cd" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox-esr@128.14.0esr-1~deb12u1%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/582081?format=api", "purl": "pkg:deb/debian/firefox-esr@140.8.0esr-1~deb13u1?distro=trixie", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-f81v-9fv8-93cd" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox-esr@140.8.0esr-1~deb13u1%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/582082?format=api", "purl": "pkg:deb/debian/firefox-esr@140.9.0esr-1?distro=trixie", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5dw5-vpt8-zqbz" }, { "vulnerability": "VCID-9ag7-z86d-nba9" }, { "vulnerability": "VCID-f81v-9fv8-93cd" }, { "vulnerability": "VCID-qbzp-euvv-q7c7" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox-esr@140.9.0esr-1%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/1059612?format=api", "purl": "pkg:deb/debian/firefox-esr@140.9.1esr-1?distro=trixie", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-f81v-9fv8-93cd" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/firefox-esr@140.9.1esr-1%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/940805?format=api", "purl": "pkg:deb/debian/thunderbird@0?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/thunderbird@0%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/940802?format=api", "purl": "pkg:deb/debian/thunderbird@1:115.12.0-1~deb11u1?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/thunderbird@1:115.12.0-1~deb11u1%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/940800?format=api", "purl": "pkg:deb/debian/thunderbird@1:140.6.0esr-1~deb12u1?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/thunderbird@1:140.6.0esr-1~deb12u1%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/940804?format=api", "purl": "pkg:deb/debian/thunderbird@1:140.8.0esr-1~deb13u1?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/thunderbird@1:140.8.0esr-1~deb13u1%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/940803?format=api", "purl": "pkg:deb/debian/thunderbird@1:140.9.0esr-1?distro=trixie", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5dw5-vpt8-zqbz" }, { "vulnerability": "VCID-9ag7-z86d-nba9" }, { "vulnerability": "VCID-qbzp-euvv-q7c7" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/thunderbird@1:140.9.0esr-1%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/1067638?format=api", "purl": "pkg:deb/debian/thunderbird@1:140.9.1esr-1?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/thunderbird@1:140.9.1esr-1%3Fdistro=trixie" } ], "affected_packages": [], "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-17021.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.1", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-17021.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2019-17021", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00472", "scoring_system": "epss", "scoring_elements": "0.6467", "published_at": "2026-04-16T12:55:00Z" }, { "value": "0.00472", "scoring_system": "epss", "scoring_elements": "0.64674", "published_at": "2026-04-11T12:55:00Z" }, { "value": "0.00472", "scoring_system": "epss", "scoring_elements": "0.64662", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.00472", "scoring_system": "epss", "scoring_elements": "0.64634", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.00472", "scoring_system": "epss", "scoring_elements": "0.64553", "published_at": "2026-04-01T12:55:00Z" }, { "value": "0.00472", "scoring_system": "epss", "scoring_elements": "0.64607", "published_at": "2026-04-02T12:55:00Z" }, { "value": "0.00472", "scoring_system": "epss", "scoring_elements": "0.64635", "published_at": "2026-04-04T12:55:00Z" }, { "value": "0.00472", "scoring_system": "epss", "scoring_elements": "0.64593", "published_at": "2026-04-07T12:55:00Z" }, { "value": "0.00472", "scoring_system": "epss", "scoring_elements": "0.64641", "published_at": "2026-04-08T12:55:00Z" }, { "value": "0.00472", "scoring_system": "epss", "scoring_elements": "0.64657", "published_at": "2026-04-09T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2019-17021" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=1788725", "reference_id": "1788725", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1788725" }, { "reference_url": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-01", "reference_id": "mfsa2020-01", "reference_type": "", "scores": [ { "value": "high", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-01" }, { "reference_url": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-02", "reference_id": "mfsa2020-02", "reference_type": "", "scores": [ { "value": "high", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-02" }, { "reference_url": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-04", "reference_id": "mfsa2020-04", "reference_type": "", "scores": [ { "value": "critical", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-04" } ], "weaknesses": [ { "cwe_id": 362, "name": "Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')", "description": "The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently." } ], "exploits": [], "severity_range_score": "6.1 - 10.0", "exploitability": null, "weighted_severity": null, "risk_score": null, "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-g2et-bnvt-9fem" }