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CVE-2024-4777

Date: May 14, 2024

Memory safety bugs present in Firefox 125, Firefox ESR 115.10, and Thunderbird 115.10. 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, Firefox ESR < 115.11, and Thunderbird < 115.11.

Language: C++

Severity Score

Related Resources (9)

https://security-tracker.debian.org/tracker/CVE-2024-4777
https://lists.debian.org/debian-lts-announce/2024/05/msg00012.html
https://lists.debian.org/debian-lts-announce/2024/05/msg00010.html
https://nvd.nist.gov/vuln/detail/CVE-2024-4777
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1878199%2C1893340
https://www.mozilla.org/security/advisories/mfsa2024-23/
https://www.mozilla.org/security/advisories/mfsa2024-22/
https://www.mozilla.org/security/advisories/mfsa2024-21/
https://www.mend.io/vulnerability-database/CVE-2024-4777

Severity Score

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

Use After Free

CWE-416

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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