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CVE-2025-57785— Double free in XSLT in 'show_index'

Quick assessment

Affected
Hiawatha Hiawatha Web server
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.

Hiawatha是Hugo Leisink个人开发者的一套适用于Unix系统的安全Web服务器。该产品能够阻止XSS、SQL注入和CSRF等攻击，并提供服务器监控功能。 Hiawatha 11.7版本存在安全漏洞，该漏洞源于XSLT show_index存在双重释放，可能导致数据损坏或执行任意代码。

AI Predicted 9.8 Difficulty: Hard EPSS 0.36% · P29
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I. Basic Information for CVE-2025-57785

Vulnerability Information
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Vulnerability Title
Double free in XSLT in 'show_index'
Source: CVE Program / CVE List V5
Vulnerability Description
A Double Free in XSLT `show_index` has been identified in Hiawatha webserver version 11.7 which allows an unauthenticated attacker to corrupt data which may lead to arbitrary code execution.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Hiawatha 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Hiawatha是Hugo Leisink个人开发者的一套适用于Unix系统的安全Web服务器。该产品能够阻止XSS、SQL注入和CSRF等攻击，并提供服务器监控功能。 Hiawatha 11.7版本存在安全漏洞，该漏洞源于XSLT show_index存在双重释放，可能导致数据损坏或执行任意代码。
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
Hiawatha Hiawatha Web server 11.47 ~ 10.8.2 -

II. Public POCs for CVE-2025-57785

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III. Intelligence Information for CVE-2025-57785

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Same Patch Batch · Hiawatha · 2026-01-26 · 3 CVEs total

CVE-2025-57783 Improper header parsing may lead to request smuggling
CVE-2025-57784 Tomahawk authentication timing attack due to usage of 'strcmp'

IV. Related Vulnerabilities

Same product: Hiawatha Web server
Same vendor: Hiawatha

V. Comments for CVE-2025-57785

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