CVE-2024-4771
highpriority · track · 0EPSS 0.005 · 44 %ileDEEUNLRUUSEPSS · scored 2026-10-27
A memory allocation check was missing which would lead to a use-after-free if the allocation failed. This could have triggered a crash or potentially be leveraged to achieve code execution. This vulnerability affects Firefox < 126.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (32)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- NCSC-2024-0218Kwetsbaarheden verholpen in Mozilla Firefox en ThunderbirdNL2024-05-15csaf · ncsc_nlNL
Mozilla heeft kwetsbaarheden verholpen in Firefox en Thunderbird
- WID-SEC-W-2024-1151Mozilla Firefox, Firefox ESR und Thunderbird: Mehrere SchwachstellenDeutsch2024-05-14csaf · cert_bundDE
Ein entfernter anonymer Angreifer kann mehrere Schwachstellen in Mozilla Firefox, Mozilla Firefox ESR und Mozilla Thunderbird ausnutzen, um beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, einen Denial-of-Service-Zustand herbeizuführen, vertrauliche Informationen offenzulegen oder Cross-Site-Scripting (XSS)-Angriffe durchzuführen.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (9)
External citations — patches, advisories, analysis.
- https://bugzilla.mozilla.org/show_bug.cgi?id=1893891cnnvd
- https://cxsecurity.com/cveshow/CVE-2024-4771/cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2024-4771cnnvd
- https://www.mozilla.org/en-US/security/advisories/mfsa2024-21/Patchcnnvd
- https://www.mozilla.org/security/advisories/mfsa2024-21/cnnvd
- https://bugzilla.mozilla.org/show_bug.cgi?id=1893891enisa_euvd
- https://www.mozilla.org/security/advisories/mfsa2024-21/enisa_euvd
- https://bugzilla.mozilla.org/show_bug.cgi?id=1893891ExploitIssue TrackingVendor Advisorynvd
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