CVE-2023-4577— Memory corruption in JIT UpdateRegExpStatics
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I. Basic Information for CVE-2023-4577
Vulnerability Information
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Vulnerability Title
Memory corruption in JIT UpdateRegExpStatics
Source: NVD (National Vulnerability Database)
Vulnerability Description
When `UpdateRegExpStatics` attempted to access `initialStringHeap` it could already have been garbage collected prior to entering the function, which could potentially have led to an exploitable crash. This vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Mozilla Firefox 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mozilla Firefox是美国Mozilla基金会的一款开源Web浏览器。 Mozilla Firefox 存在安全漏洞，该漏洞源于当UpdateRegExpStatics尝试访问时initialStringHeap，它可能在进入该函数之前就已被垃圾收集，这可能会导致可利用的崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Mozilla | Firefox | unspecified ~ 117 | - | |
| Mozilla | Firefox ESR | unspecified ~ 115.2 | - | |
| Mozilla | Thunderbird | unspecified ~ 115.2 | - |
II. Public POCs for CVE-2023-4577
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Mozilla · 2023-09-11 · 14 CVEs total
| CVE-2023-4573 | Memory corruption in IPC CanvasTranslator | |
| CVE-2023-4574 | Memory corruption in IPC ColorPickerShownCallback | |
| CVE-2023-4575 | Memory corruption in IPC FilePickerShownCallback | |
| CVE-2023-4576 | Integer Overflow in RecordedSourceSurfaceCreation | |
| CVE-2023-4578 | Error reporting methods in SpiderMonkey could have triggered an Out of Memory Exception | |
| CVE-2023-4579 | Persisted search terms were formatted as URLs | |
| CVE-2023-4580 | Push notifications saved to disk unencrypted | |
| CVE-2023-4581 | XLL file extensions were downloadable without warnings | |
| CVE-2023-4582 | Buffer Overflow in WebGL glGetProgramiv | |
| CVE-2023-4583 | Browsing Context potentially not cleared when closing Private Window | |
| CVE-2023-4584 | Memory safety bugs fixed in Firefox 117, Firefox ESR 102.15, Firefox ESR 115.2, Thunderbir | |
| CVE-2023-4585 | Memory safety bugs fixed in Firefox 117, Firefox ESR 115.2, and Thunderbird 115.2 | |
| CVE-2023-4104 | Mozilla VPN 安全漏洞 |
IV. Related Vulnerabilities
Same product: Firefox
- CVE-2026-8093
Memory safety bugs fixed in Thunderbird 150.0.2 - CVE-2026-8094
Other issue in the WebRTC component - CVE-2026-8092
Memory safety bugs fixed in Thunderbird ESR 140.10.2 and Thu - CVE-2026-8091
Incorrect boundary conditions in the Audio/Video: Playback c - CVE-2026-8090
Use-after-free in the DOM: Networking component
Same vendor: Mozilla
- CVE-2026-8093
Memory safety bugs fixed in Thunderbird 150.0.2 - CVE-2026-8094
Other issue in the WebRTC component - CVE-2026-8092
Memory safety bugs fixed in Thunderbird ESR 140.10.2 and Thu - CVE-2026-8091
Incorrect boundary conditions in the Audio/Video: Playback c - CVE-2026-8090
Use-after-free in the DOM: Networking component
V. Comments for CVE-2023-4577
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