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CVE-2026-34483

Опубликовано: 09 апр. 2026
Источник: redhat
CVSS3: 5.4
EPSS Низкий

Описание

Improper Encoding or Escaping of Output vulnerability in the JsonAccessLogValve component of Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.20, from 10.1.0-M1 through 10.1.53, from 9.0.40 through 9.0.116. Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117 , which fix the issue.

A flaw was found in the JsonAccessLogValve component of Apache Tomcat. This improper encoding or escaping of output vulnerability could allow an attacker to inject specially crafted data into log files. This could lead to information disclosure or other unintended consequences when the logs are processed or viewed.

Отчет

Low impact. A flaw in the Apache Tomcat JsonAccessLogValve component allows for improper encoding of output. This could enable an attacker to inject specially crafted data into log files, potentially leading to information disclosure or other unintended consequences during log processing. This affects Red Hat Enterprise Linux versions 6, 7, 8, 9, and 10.

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 10tomcatFix deferred
Red Hat Enterprise Linux 6tomcat6Out of support scope
Red Hat Enterprise Linux 7tomcatFix deferred
Red Hat Enterprise Linux 8pki-deps:10.6/pki-servlet-engineFix deferred
Red Hat Enterprise Linux 8tomcatFix deferred
Red Hat Enterprise Linux 9pki-servlet-engineFix deferred
Red Hat Enterprise Linux 9tomcatFix deferred
Red Hat JBoss Web Server 5tomcatUnder investigation
Red Hat Enterprise Linux 10tomcat9FixedRHSA-2026:3679008.07.2026
Red Hat JBoss Web Server 6.2.3tomcatFixedRHSA-2026:2040626.05.2026

Показывать по

Дополнительная информация

Статус:

Low
Дефект:
CWE-838
https://bugzilla.redhat.com/show_bug.cgi?id=2457044Apache Tomcat: Apache Tomcat: Information disclosure due to improper encoding in JsonAccessLogValve

EPSS

Процентиль: 37%
0.00461
Низкий

5.4 Medium

CVSS3

Связанные уязвимости

CVSS3: 7.5
ubuntu
4 месяца назад

Improper Encoding or Escaping of Output vulnerability in the JsonAccessLogValve component of Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.20, from 10.1.0-M1 through 10.1.53, from 9.0.40 through 9.0.116. Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117 , which fix the issue.

CVSS3: 7.5
nvd
4 месяца назад

Improper Encoding or Escaping of Output vulnerability in the JsonAccessLogValve component of Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.20, from 10.1.0-M1 through 10.1.53, from 9.0.40 through 9.0.116. Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117 , which fix the issue.

CVSS3: 7.5
debian
4 месяца назад

Improper Encoding or Escaping of Output vulnerability in the JsonAcces ...

CVSS3: 7.5
github
4 месяца назад

Apache Tomcat has an Improper Encoding or Escaping of Output vulnerability in the JsonAccessLogValve

CVSS3: 7.5
fstec
4 месяца назад

Уязвимость сервера приложений Apache Tomcat, связанная с недостатком механизма кодирования или экранирования выходных данных, позволяющая нарушителю выполнить произвольный код

EPSS

Процентиль: 37%
0.00461
Низкий

5.4 Medium

CVSS3