Описание
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.
Отчет
This MODERATE impact flaw in the xmllint interactive shell allows a local attacker to cause a denial of service. By repeatedly providing whitespace-only input, an attacker can trigger a memory leak, leading to resource exhaustion and process termination. Exploitation requires local access to the system and interaction with the xmllint interactive shell.
Меры по смягчению последствий
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
Затронутые пакеты
| Платформа | Пакет | Состояние | Рекомендация | Релиз |
|---|---|---|---|---|
| Red Hat Enterprise Linux 10 | libxml2 | Fix deferred | ||
| Red Hat Enterprise Linux 6 | libxml2 | Out of support scope | ||
| Red Hat Enterprise Linux 7 | libxml2 | Fix deferred | ||
| Red Hat Enterprise Linux 8 | libxml2 | Fix deferred | ||
| Red Hat Enterprise Linux 9 | libxml2 | Fix deferred | ||
| Red Hat JBoss Core Services | libxml2 | Fix deferred | ||
| Red Hat OpenShift Container Platform 4 | rhcos | Fix deferred | ||
| Red Hat Hardened Images | libxml2-main-2.15.2-0.3.hum1 | Fixed | RHSA-2026:7519 | 10.04.2026 |
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Дополнительная информация
Статус:
EPSS
6.2 Medium
CVSS3
Связанные уязвимости
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.
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.
A flaw was identified in the interactive shell of the xmllint utility, ...
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.
EPSS
6.2 Medium
CVSS3