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CVE-2026-89157

Опубликовано: 11 сент. 2026
Источник: redhat
CVSS3: 5.7

Описание

PCRE2 before 10.48, on 32-bit platforms, has a pcre2_pattern_convert out-of-bounds write when an attacker can provide a large pattern.

A flaw was found in PCRE2. On 32-bit platforms, an attacker can provide a specially crafted large pattern, leading to an out-of-bounds write within the pcre2_pattern_convert function. This vulnerability can result in high integrity impact, such as data corruption, and potentially a low availability impact, causing a denial of service.

Отчет

This out-of-bounds write vulnerability in PCRE2 on 32-bit platforms could lead to data corruption with high integrity impact and potential denial of service. Exploitation requires an attacker to provide a specially crafted large pattern, but no privileges or user interaction are needed.

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

ПлатформаПакетСостояниеРекомендацияРелиз
Red Hat Enterprise Linux 10bootcNot affected
Red Hat Enterprise Linux 10mariadb10.11Fix deferred
Red Hat Enterprise Linux 10mariadb11.8Fix deferred
Red Hat Enterprise Linux 10mingw-pcre2Fix deferred
Red Hat Enterprise Linux 10pcre2Affected
Red Hat Enterprise Linux 7pcre2Not affected
Red Hat Enterprise Linux 8mariadb:10.11/mariadbFix deferred
Red Hat Enterprise Linux 8pcre2Fix deferred
Red Hat Enterprise Linux 9bootcNot affected
Red Hat Enterprise Linux 9mariadb:10.11/mariadbFix deferred

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Дополнительная информация

Статус:

Moderate
Дефект:
CWE-787
https://bugzilla.redhat.com/show_bug.cgi?id=2531744pcre2: PCRE2: Out-of-bounds write via large pattern input

5.7 Medium

CVSS3

Связанные уязвимости

CVSS3: 5.7
ubuntu
2 дня назад

PCRE2 before 10.48, on 32-bit platforms, has a pcre2_pattern_convert out-of-bounds write when an attacker can provide a large pattern.

CVSS3: 5.7
nvd
5 дней назад

PCRE2 before 10.48, on 32-bit platforms, has a pcre2_pattern_convert out-of-bounds write when an attacker can provide a large pattern.

msrc
4 дня назад

PCRE2 before 10.48, on 32-bit platforms, has a pcre2_pattern_convert out-of-bounds write when an attacker can provide a large pattern.

CVSS3: 5.7
debian
5 дней назад

PCRE2 before 10.48, on 32-bit platforms, has a pcre2_pattern_convert o ...

CVSS3: 5.7
github
5 дней назад

PCRE2 before 10.48, on 32-bit platforms, has a pcre2_pattern_convert out-of-bounds write when an attacker can provide a large pattern.

5.7 Medium

CVSS3