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CVE-2026-44597

Quick assessment

Affected
torproject Tor
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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，该漏洞源于当END、TRUNCATE或TRUNCATED单元的有效载荷中缺少原因时存在越界读取。

CVSS 3.7 · Low EPSS 0.63% · P48

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
torproject Tor < 0.4.9.7 affected
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I. Basic Information for CVE-2026-44597

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 when an END, a TRUNCATE, or a TRUNCATED cell lacks a reason in its payload, aka TROVE-2026-011.
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
特定函数功能的不正确供给
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，该漏洞源于当END、TRUNCATE或TRUNCATED单元的有效载荷中缺少原因时存在越界读取。
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-2026-44597

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-44597

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Patches & Fixes for CVE-2026-44597 (2)

Mailing List Discussions for CVE-2026-44597 (1)

Vendor Pages for CVE-2026-44597 (1)

Same Patch Batch · torproject · 2026-05-07 · 6 CVEs total

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
CVE-2026-44603 3.7 LOW Tor 安全漏洞

IV. Related Vulnerabilities

Same product: Tor
Same vendor: torproject
Same weakness: CWE-684

V. Comments for CVE-2026-44597

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