CVE-2026-45186
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I. Basic Information for CVE-2026-45186
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized crafted XML input.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
算法复杂性
Source: NVD (National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| libexpat project | libexpat | 0 ~ 2.8.1 | - |
II. Public POCs for CVE-2026-45186
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same weakness: CWE-407
- CVE-2026-42245
net-imap: Quadratic complexity when reading response literal - CVE-2026-43967
Quadratic fragment-name uniqueness check causes denial of se - CVE-2026-40476
graphql-php: Denial of Service via quadratic complexity in O - CVE-2026-35599
Vikunja has an Algorithmic Complexity DoS in Repeating Task - CVE-2026-6042
musl libc GB18030 4-byte Decoder iconv.c iconv algorithmic c
V. Comments for CVE-2026-45186
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