CVE-2024-7527
Last modified
CVE-2024-7527 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Unexpected marking work at the start of sweeping could have led to a use-after-free. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, Firefox ESR < 128.1, Thunderbird < 128.1, and Thunderbird < 115.14.. EPSS estimates a 0.57% chance of exploitation in the next 30 days.
Description
Unexpected marking work at the start of sweeping could have led to a use-after-free. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, Firefox ESR < 128.1, Thunderbird < 128.1, and Thunderbird < 115.14.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 129.0 |
| Mozilla | Firefox Esr | < 115.14.0 |
| Mozilla | Firefox Esr | 128.0 |
| Mozilla | Thunderbird | < 115.14.0 |
| Mozilla | Thunderbird | 128.0.1 |
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1871303Issue Tracking, Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2024-33/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-34/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-35/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-37/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-38/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2024-7527?
How severe is CVE-2024-7527?
How do I fix CVE-2024-7527?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2024
- CVE-2024-7521Incomplete WebAssembly exception handing could have led to a…8.8
- CVE-2024-7522Editor code failed to check an attribute value. This could h…8.8
- CVE-2024-7523A select option could partially obscure security prompts. Th…8.1
- CVE-2024-7524Firefox adds web-compatibility shims in place of some tracki…6.1
- CVE-2024-7525It was possible for a web extension with minimal permissions…8.1
- CVE-2024-7526ANGLE failed to initialize parameters which lead to reading …6.5
- CVE-2024-7528Incorrect garbage collection interaction in IndexedDB could …8.8
- CVE-2024-7529The date picker could partially obscure security prompts. Th…6.5
- CVE-2024-7530Incorrect garbage collection interaction could have led to a…8.8
- CVE-2024-7531Calling `PK11_Encrypt()` in NSS using CKM_CHACHA20 and the s…6.5
- CVE-2024-7532Out of bounds memory access in ANGLE in Google Chrome prior …8.8
- CVE-2024-7533Use after free in Sharing in Google Chrome on iOS prior to 1…8.8
Are you affected by CVE-2024-7527?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
