🛡️ CVE-2026-1757
🟡 CVSS 6.2 — Medium ✅ No Known Exploit CWE-401 NVD
6.2
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

A flaw was identified in the interactive shell of the xmllint utility, part of the libxml2 project, where memory allocated for user input is not properly released under certain conditions. When a user submits input consisting only of whitespace, the program skips command execution but fails to free the allocated buffer. Repeating this action causes memory to continuously accumulate. Over time, this can exhaust system memory and terminate the xmllint process, creating a denial-of-service condition on the local system.

Details

Severity MEDIUM
CVSS Score 6.2
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE CWE-401
Public Exploit ✅ No
Source NVD
Published 2026-02-02
Updated 2026-06-02
Modified 2026-04-22
Fix URL N/A

Affected Packages

Software From version Fixed in
unknown — —

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