CVE-2024-4778

View on CVE.org

Published May 14, 2024 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed

Description

Memory safety bugs present in Firefox 125. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 126.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Mozilla

Firefox

affected

Version	Status	Constraints
`unspecified`	affected	< 126

Configuration 1 [-]

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
Ubuntu USN	USN-6779-1	Firefox vulnerabilities

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.441% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1838834%2C1889291%2C1889595%2C1890204%2C1891545
https://www.mozilla.org/security/advisories/mfsa2024-21/

History

Apr 4, 2025 2:45 PM First appearance in the feed. Affected versions updated. Affected vendors updated View changes

Type	Values Removed	Values Added
First Time appeared		Mozilla Mozilla firefox
CPEs		cpe:2.3:a:mozilla:firefox::::::::
Vendors & Products		Mozilla Mozilla firefox

Subscriptions

Mozilla Firefox

Weaknesses

CWE-1260

Sources

CVE record Updated: Aug 1, 2024, 8:55 PM

Status: PUBLISHED
Assigner: mozilla
Published: May 14, 2024, 5:21 PM
Updated: Aug 1, 2024, 8:55 PM
Reserved: May 10, 2024, 5:37 PM

View source JSON

Vulnrichment Updated: Aug 1, 2024, 8:55 PM

Updated: Aug 1, 2024, 8:55 PM

NVD Updated: Jun 17, 2026, 8:02 AM

Status: Analyzed
Published: May 14, 2024, 6:15 PM
Modified: Jun 17, 2026, 8:02 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-4778", "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "state": "PUBLISHED", "assignerShortName": "mozilla", "dateReserved": "2024-05-10T17:37:25.581Z", "datePublished": "2024-05-14T17:21:27.420Z", "dateUpdated": "2024-08-01T20:55:08.737Z"}, "containers": {"cna": {"affected": [{"product": "Firefox", "vendor": "Mozilla", "versions": [{"lessThan": "126", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "Memory safety bugs present in Firefox 125. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 126.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Memory safety bugs present in Firefox 125. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 126."}]}], "problemTypes": [{"descriptions": [{"description": "Memory safety bugs fixed in Firefox 126", "lang": "en", "type": "text"}]}], "references": [{"url": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1838834%2C1889291%2C1889595%2C1890204%2C1891545", "name": "Memory safety bugs fixed in Firefox 126"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2024-21/"}], "credits": [{"lang": "en", "value": "Mozilla Fuzzing Team"}], "providerMetadata": {"orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "shortName": "mozilla", "dateUpdated": "2024-05-14T17:21:27.420Z"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2024-4778", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2024-05-16T18:42:04.577142Z"}}}], "affected": [{"cpes": ["cpe:2.3:a:mozilla:firefox:125:*:*:*:*:*:*:*"], "vendor": "mozilla", "product": "firefox", "versions": [{"status": "affected", "version": "0", "lessThan": "126", "versionType": "custom"}], "defaultStatus": "unknown"}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-1260", "description": "CWE-1260 Improper Handling of Overlap Between Protected Memory Ranges"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:56:34.311Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-01T20:55:08.737Z"}, "title": "CVE Program Container", "references": [{"url": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1838834%2C1889291%2C1889595%2C1890204%2C1891545", "name": "Memory safety bugs fixed in Firefox 126", "tags": ["x_transferred"]}, {"url": "https://www.mozilla.org/security/advisories/mfsa2024-21/", "tags": ["x_transferred"]}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1838834%2C1889291%2C1889595%2C1890204%2C1891545", "name": "Memory safety bugs fixed in Firefox 126", "tags": ["x_transferred"]}, {"url": "https://www.mozilla.org/security/advisories/mfsa2024-21/", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-01T20:55:08.737Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2024-4778", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2024-05-16T18:42:04.577142Z"}}}], "affected": [{"cpes": ["cpe:2.3:a:mozilla:firefox:125:*:*:*:*:*:*:*"], "vendor": "mozilla", "product": "firefox", "versions": [{"status": "affected", "version": "0", "lessThan": "126", "versionType": "custom"}], "defaultStatus": "unknown"}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-1260", "description": "CWE-1260 Improper Handling of Overlap Between Protected Memory Ranges"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-05-16T18:48:19.224Z"}}], "cna": {"credits": [{"lang": "en", "value": "Mozilla Fuzzing Team"}], "affected": [{"vendor": "Mozilla", "product": "Firefox", "versions": [{"status": "affected", "version": "unspecified", "lessThan": "126", "versionType": "custom"}]}], "references": [{"url": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1838834%2C1889291%2C1889595%2C1890204%2C1891545", "name": "Memory safety bugs fixed in Firefox 126"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2024-21/"}], "descriptions": [{"lang": "en", "value": "Memory safety bugs present in Firefox 125. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 126.", "supportingMedia": [{"type": "text/html", "value": "Memory safety bugs present in Firefox 125. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 126.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": "Memory safety bugs fixed in Firefox 126"}]}], "providerMetadata": {"orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "shortName": "mozilla", "dateUpdated": "2024-05-14T17:21:27.420Z"}}}, "cveMetadata": {"cveId": "CVE-2024-4778", "state": "PUBLISHED", "dateUpdated": "2024-08-01T20:55:08.737Z", "dateReserved": "2024-05-10T17:37:25.581Z", "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "datePublished": "2024-05-14T17:21:27.420Z", "assignerShortName": "mozilla"}, "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "Firefox", "vendor": "Mozilla", "versions": [{"lessThan": "126", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "security@mozilla.org"}, {"affectedData": [{"cpes": ["cpe:2.3:a:mozilla:firefox:125:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "product": "firefox", "vendor": "mozilla", "versions": [{"lessThan": "126", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*", "matchCriteriaId": "706B671C-BEF5-488D-BCEF-3A5342A4DD1C", "versionEndExcluding": "126.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Memory safety bugs present in Firefox 125. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 126."}, {"lang": "es", "value": "Errores de seguridad de la memoria presentes en Firefox 125. Algunos de estos errores mostraron evidencia de corrupci\u00f3n de la memoria y suponemos que con suficiente esfuerzo algunos de ellos podr\u00edan haberse aprovechado para ejecutar c\u00f3digo arbitrario. Esta vulnerabilidad afecta a Firefox < 126."}], "id": "CVE-2024-4778", "lastModified": "2026-06-17T08:02:53.340", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-4778", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2024-05-16T18:42:04.577142Z", "version": "2.0.3"}}]}, "published": "2024-05-14T18:15:16.720", "references": [{"source": "security@mozilla.org", "tags": ["Issue Tracking"], "url": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1838834%2C1889291%2C1889595%2C1890204%2C1891545"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2024-21/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking"], "url": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1838834%2C1889291%2C1889595%2C1890204%2C1891545"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2024-21/"}], "sourceIdentifier": "security@mozilla.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1260"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}