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The vulnerability of the libexpat library for analyzing XML files is related to algorithmic complexity, which allows attackers to cause a service failure.
🗓️ 25 Mar 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 1 Views
| Reporter | Title | Published | Views | Family All 25 |
|---|---|---|---|---|
 | Security Bulletin: Vulnerability in libexpat affects IBM Netezza Appliance | 15 Apr 202610:49 | – | ibm |
 | CVE-2025-66382 | 1 Dec 202523:47 | – | circl |
 | libexpat 安全漏洞 | 28 Nov 202500:00 | – | cnnvd |
 | CVE-2025-66382 | 28 Nov 202500:00 | – | cve |
 | CVE-2025-66382 | 28 Nov 202500:00 | – | cvelist |
 | CVE-2025-66382 | 28 Nov 202500:00 | – | debiancve |
 | EUVD-2025-199862 | 28 Nov 202509:30 | – | euvd |
 | In libexpat through 2.7.3, a crafted file with an approximate size of 2 MiB can lead to dozens of seconds of processing time. | 29 Nov 202509:01 | – | mscve |
 | CVE-2025-66382 | 28 Nov 202507:15 | – | nvd |
 | AZL-71054 CVE-2025-66382 affecting package expat 2.6.4-4 | 28 Nov 202507:15 | – | osv |
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25 Mar 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 24.9
CVSS 35.5
EPSS0.00183