Vulnerability-Lookup

CVE-2024-4774 (GCVE-0-2024-4774)

Vulnerability from cvelistv5 – Published: 2024-05-14 17:21 – Updated: 2025-03-28 18:47

Summary

The `ShmemCharMapHashEntry()` code was susceptible to potentially undefined behavior by bypassing the move semantics for one of its data members. This vulnerability affects Firefox < 126.

Severity

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-05-24 19:31 UTC

CWE

Undefined behavior in ShmemCharMapHashEntry()
CWE-758 - Reliance on Undefined, Unspecified, or Implementation-Defined Behavior

Assigner

mozilla CNA under the mitre root

CNA scorecard E 38/100 over 683 records in the last 180 days details

References

2 references

URL	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=1886598
https://www.mozilla.org/security/advisories/mfsa2…

Impacted products

1 product

Vendor	Product	Version	CPE status
Mozilla	Firefox	Affected: unspecified , < 126 (custom)	guessed

Credits

Ronald Crane

Show details on NVD website

JSON

To clipboard

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CERTFR-2024-AVI-0396

Vulnerability from certfr_avis - Published: - Updated:

De multiples vulnérabilités ont été découvertes dans les produits Mozilla. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire à distance, une atteinte à la confidentialité des données et un contournement de la politique de sécurité.

Solution

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

None

Impacted products

Vendor	Product	Description
Mozilla	Firefox ESR	Firefox ESR versions antérieures à 115.11
Mozilla	Firefox	Firefox versions antérieures à 126
Mozilla	Thunderbird	Thunderbird versions antérieures à 115.11

References

Title

Publication Time

CERTFR-2024-AVI-0396

Vulnerability from certfr_avis - Published: - Updated:

Solution

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

None

Impacted products

Vendor	Product	Description
Mozilla	Firefox ESR	Firefox ESR versions antérieures à 115.11
Mozilla	Firefox	Firefox versions antérieures à 126
Mozilla	Thunderbird	Thunderbird versions antérieures à 115.11

References

Title

Publication Time

CNVD-2024-23346

Vulnerability from cnvd - Published: 2024-05-20

Title

Mozilla Firefox安全绕过漏洞（CNVD-2024-23346）

Description

Mozilla Firefox是美国Mozilla基金会的一款开源Web浏览器。 Mozilla Firefox存在安全绕过漏洞，攻击者可利用该漏洞通过绕过其中一个数据成员的move语义，绕过安全限制。

Severity

高

Patch Name

Mozilla Firefox安全绕过漏洞（CNVD-2024-23346）的补丁

Patch Description

Mozilla Firefox是美国Mozilla基金会的一款开源Web浏览器。 Mozilla Firefox存在安全绕过漏洞，攻击者可利用该漏洞通过绕过其中一个数据成员的move语义，绕过安全限制。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://www.mozilla.org/en-US/security/advisories/mfsa2024-21/

Reference

https://exchange.xforce.ibmcloud.com/vulnerabilities/290492

Impacted products

Name
Mozilla Firefox <126

Show details on source website

JSON

To clipboard

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  "number": "CNVD-2024-23346",
  "openTime": "2024-05-20",
  "patchDescription": "Mozilla Firefox\u662f\u7f8e\u56fdMozilla\u57fa\u91d1\u4f1a\u7684\u4e00\u6b3e\u5f00\u6e90Web\u6d4f\u89c8\u5668\u3002\r\n\r\nMozilla Firefox\u5b58\u5728\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u7ed5\u8fc7\u5176\u4e2d\u4e00\u4e2a\u6570\u636e\u6210\u5458\u7684move\u8bed\u4e49\uff0c\u7ed5\u8fc7\u5b89\u5168\u9650\u5236\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Mozilla Firefox\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\uff08CNVD-2024-23346\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Mozilla Firefox \u003c126"
  },
  "referenceLink": "https://exchange.xforce.ibmcloud.com/vulnerabilities/290492",
  "serverity": "\u9ad8",
  "submitTime": "2024-05-15",
  "title": "Mozilla Firefox\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\uff08CNVD-2024-23346\uff09"
}

FKIE_CVE-2024-4774

Vulnerability from fkie_nvd - Published: 2024-05-14 18:15 - Updated: 2026-06-17 08:02

Severity

6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Summary

The `ShmemCharMapHashEntry()` code was susceptible to potentially undefined behavior by bypassing the move semantics for one of its data members. This vulnerability affects Firefox < 126.

References

URL	Tags
security@mozilla.org	https://bugzilla.mozilla.org/show_bug.cgi?id=1886598	Issue Tracking
security@mozilla.org	https://www.mozilla.org/security/advisories/mfsa2024-21/	Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://bugzilla.mozilla.org/show_bug.cgi?id=1886598	Issue Tracking
af854a3a-2127-422b-91ae-364da2661108	https://www.mozilla.org/security/advisories/mfsa2024-21/	Vendor Advisory

Impacted products

	Vendor	Product	Version
	mozilla	firefox	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Firefox",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThan": "126",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "security@mozilla.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*",
              "matchCriteriaId": "2695925F-3984-4304-A630-5FF27054F360",
              "versionEndExcluding": "126.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The `ShmemCharMapHashEntry()` code was susceptible to potentially undefined behavior by bypassing the move semantics for one of its data members. This vulnerability affects Firefox \u003c 126."
    },
    {
      "lang": "es",
      "value": "El c\u00f3digo `ShmemCharMapHashEntry()` era susceptible a un comportamiento potencialmente indefinido al omitir la sem\u00e1ntica de movimiento de uno de sus miembros de datos. Esta vulnerabilidad afecta a Firefox \u0026lt; 126."
    }
  ],
  "id": "CVE-2024-4774",
  "lastModified": "2026-06-17T08:02:52.737",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 2.5,
        "source": "nvd@nist.gov",
        "type": "Primary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 2.5,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-4774",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-05-24T19:31:39.966522Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-05-14T18:15:15.613",
  "references": [
    {
      "source": "security@mozilla.org",
      "tags": [
        "Issue Tracking"
      ],
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1886598"
    },
    {
      "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/show_bug.cgi?id=1886598"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.mozilla.org/security/advisories/mfsa2024-21/"
    }
  ],
  "sourceIdentifier": "security@mozilla.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-758"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}

GHSA-36CP-X9PQ-R87W

Vulnerability from github – Published: 2024-05-14 18:31 – Updated: 2025-01-22 18:31

Details

The ShmemCharMapHashEntry() code was susceptible to potentially undefined behavior by bypassing the move semantics for one of its data members. This vulnerability affects Firefox < 126.

Severity

6.5 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2024-4774"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-758"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-14T18:15:15Z",
    "severity": "MODERATE"
  },
  "details": "The `ShmemCharMapHashEntry()` code was susceptible to potentially undefined behavior by bypassing the move semantics for one of its data members. This vulnerability affects Firefox \u003c 126.",
  "id": "GHSA-36cp-x9pq-r87w",
  "modified": "2025-01-22T18:31:51Z",
  "published": "2024-05-14T18:31:05Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-4774"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1886598"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2024-21"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L",
      "type": "CVSS_V3"
    }
  ]
}

NCSC-2024-0218

Vulnerability from csaf_ncscnl - Published: 2024-05-15 12:29 - Updated: 2024-05-15 12:29

Summary

Kwetsbaarheden verholpen in Mozilla Firefox en Thunderbird

Scope

16 vulnerabilities in this advisory, including CVE-2024-4774.

CVE-2024-4774

Known affected: 1 product

Open the full advisory

OESA-2025-1691 (CVE-2024-4774)

Vulnerability from osv_openeuler – Published: 2025-06-27 11:08 – Updated: 2026-08-06 11:08 – Source website

Summary

firefox security update

Details

Mozilla Firefox is a standalone web browser, designed for standards compliance and performance. Its functionality can be enhanced via a plethora of extensions.

Security Fix(es):

The ShmemCharMapHashEntry() code was susceptible to potentially undefined behavior by bypassing the move semantics for one of its data members. This vulnerability affects Firefox < 126.(CVE-2024-4774)

Severity

6.5 (Medium)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

References

URL

Type

	https://www.openeuler.org/zh/security/security-bu…	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2024-4774	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "aarch64": [
          "firefox-128.11.0-1.oe2203sp3.aarch64.rpm",
          "firefox-debuginfo-128.11.0-1.oe2203sp3.aarch64.rpm",
          "firefox-debugsource-128.11.0-1.oe2203sp3.aarch64.rpm"
        ],
        "src": [
          "firefox-128.11.0-1.oe2203sp3.src.rpm"
        ],
        "x86_64": [
          "firefox-128.11.0-1.oe2203sp3.x86_64.rpm",
          "firefox-debuginfo-128.11.0-1.oe2203sp3.x86_64.rpm",
          "firefox-debugsource-128.11.0-1.oe2203sp3.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:22.03-LTS-SP3",
        "name": "firefox",
        "purl": "pkg:rpm/openEuler/firefox\u0026distro=openEuler-22.03-LTS-SP3"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "128.11.0-1.oe2203sp3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "severity": "Medium"
  },
  "details": "Mozilla Firefox is a standalone web browser, designed for standards compliance and performance.  Its functionality can be enhanced via a plethora of extensions.\r\n\r\nSecurity Fix(es):\n\nThe `ShmemCharMapHashEntry()` code was susceptible to potentially undefined behavior by bypassing the move semantics for one of its data members. This vulnerability affects Firefox \u0026lt; 126.(CVE-2024-4774)",
  "id": "OESA-2025-1691",
  "modified": "2026-08-06T11:08:46Z",
  "published": "2025-06-27T11:08:46Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2025-1691"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-4774"
    }
  ],
  "schema_version": "1.7.2",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "firefox security update",
  "upstream": [
    "CVE-2024-4774"
  ]
}

OESA-2025-1692 (CVE-2024-4774)

Vulnerability from osv_openeuler – Published: 2025-06-27 11:08 – Updated: 2026-08-06 11:08 – Source website

Summary

firefox security update

Details

Mozilla Firefox is a standalone web browser, designed for standards compliance and performance. Its functionality can be enhanced via a plethora of extensions.

Security Fix(es):

Severity

6.5 (Medium)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

References

URL

Type

	https://www.openeuler.org/zh/security/security-bu…	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2024-4774	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "aarch64": [
          "firefox-128.11.0-1.oe2203sp4.aarch64.rpm",
          "firefox-debuginfo-128.11.0-1.oe2203sp4.aarch64.rpm",
          "firefox-debugsource-128.11.0-1.oe2203sp4.aarch64.rpm"
        ],
        "src": [
          "firefox-128.11.0-1.oe2203sp4.src.rpm"
        ],
        "x86_64": [
          "firefox-128.11.0-1.oe2203sp4.x86_64.rpm",
          "firefox-debuginfo-128.11.0-1.oe2203sp4.x86_64.rpm",
          "firefox-debugsource-128.11.0-1.oe2203sp4.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:22.03-LTS-SP4",
        "name": "firefox",
        "purl": "pkg:rpm/openEuler/firefox\u0026distro=openEuler-22.03-LTS-SP4"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "128.11.0-1.oe2203sp4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "severity": "Medium"
  },
  "details": "Mozilla Firefox is a standalone web browser, designed for standards compliance and performance.  Its functionality can be enhanced via a plethora of extensions.\r\n\r\nSecurity Fix(es):\n\nThe `ShmemCharMapHashEntry()` code was susceptible to potentially undefined behavior by bypassing the move semantics for one of its data members. This vulnerability affects Firefox \u0026lt; 126.(CVE-2024-4774)",
  "id": "OESA-2025-1692",
  "modified": "2026-08-06T11:08:47Z",
  "published": "2025-06-27T11:08:47Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2025-1692"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-4774"
    }
  ],
  "schema_version": "1.7.2",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "firefox security update",
  "upstream": [
    "CVE-2024-4774"
  ]
}

OPENSUSE-SU-2024:13980-1

Vulnerability from csaf_opensuse - Published: 2024-06-15 00:00 - Updated: 2026-09-20 21:11

Summary

MozillaFirefox-126.0-1.1 on GA media

Severity

Moderate

Scope

16 vulnerabilities in this advisory, including CVE-2024-4774.

CVE-2024-4774

6.5 (Medium)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Recommended: 20 products

Open the full advisory

OPENSUSE-SU-2024:14572-1

Vulnerability from csaf_opensuse - Published: 2024-12-12 00:00 - Updated: 2026-10-18 10:26

Summary

firefox-esr-128.5.1-1.1 on GA media

Severity

Moderate

Scope

1860 vulnerabilities in this advisory, including CVE-2024-4774.

CVE-2024-4774

6.5 (Medium)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Recommended: 16 products

Open the full advisory

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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

Order JSON

How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

Publication & reservation Sightings KEV catalogs Other timestamps

Loading timeline…

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.

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.

Action not permitted

CVE-2024-4774 (GCVE-0-2024-4774)

Solution

Solution

OESA-2025-1691 (CVE-2024-4774)

OESA-2025-1692 (CVE-2024-4774)

Tags

Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour