CVE-2026-44603
Possible ATT&CK Techniques 1AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| torproject | Tor | < 0.4.9.7 | affected |
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I. Basic Information for CVE-2026-44603
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Tor before 0.4.9.7 has an out-of-bounds read by one byte via a malformed BEGIN cell, aka TROVE-2026-007.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
Off-by-one错误
Source: CVE Program / CVE List V5
Vulnerability Title
Tor 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tor是Tor Project组织的一个虚拟隧道网络。允许个人和团体提高他们在 Internet 上的隐私和安全性。 Tor 0.4.9.7之前版本存在安全漏洞，该漏洞源于通过格式错误的BEGIN单元存在一字节越界读取。
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 |
|---|---|---|---|---|
| torproject | Tor | 0 ~ 0.4.9.7 | - |
II. Public POCs for CVE-2026-44603
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2026-44603 (1)
Mailing List Discussions for CVE-2026-44603 (1)
Vendor Pages for CVE-2026-44603 (1)
Other References for CVE-2026-44603 (1)
Same Patch Batch · torproject · 2026-05-07 · 6 CVEs total
| CVE-2026-44597 | 3.7 LOW | Tor 安全漏洞 |
| CVE-2026-44600 | 3.7 LOW | Tor 安全漏洞 |
| CVE-2026-44599 | 3.7 LOW | Tor 安全漏洞 |
| CVE-2026-44601 | 3.7 LOW | Tor 安全漏洞 |
| CVE-2026-44602 | 3.7 LOW | Tor 代码问题漏洞 |
IV. Related Vulnerabilities
Same weakness: CWE-193
- CVE-2026-11771
OpenVPN 缓冲区错误漏洞 - CVE-2026-44687
Off-by-one error in 'harden-below-nxdomain' logic can shadow - CVE-2026-50497
Windows Remote Desktop Protocol (RDP) Information Disclosure - CVE-2026-58380
Gimp: gimp: stack buffer overflow in pnmscanner_gettoken() - CVE-2026-12413
IKEv2 Denial of Service via malformed fragmentation
V. Comments for CVE-2026-44603
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