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CVE-2026-34479

🗓️ 13 Apr 2026 17:20:23Reported by redhat.comType 
redhatcve
 redhatcve🔗 access.redhat.com👁 1 Views

Apache Log4j bridge flaw escapes XML poorly, causing malformed XML and potential denial of service in log analysis.

Related
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: Due to use of log4j-core-2.25.3.jar, IBM Sterling Connect:Direct Web Services is vulnerable to log injection via CRLF sequences.
3 Jun 202604:27
–ibm
IBM Security Bulletins		Security Bulletin: There is a vulnerability in log4j-core-2.25.3.jar used by IBM Maximo Manage application in IBM Maximo Application Suite (CVE-2026-34480 ,CVE-2026-34477, CVE-2026-34478, CVE-2026-34479)
29 May 202608:56
–ibm
IBM Security Bulletins		Security Bulletin: IBM SPSS Modeler is affected by multiple vulnerabilities in Apache Log4j
27 May 202617:36
–ibm
IBM Security Bulletins		Security Bulletin: IBM App Connect for Manufacturing is vulnerable to multiple vulnerabilities due to Apache Log4j and Bouncy Castle.
11 May 202606:59
–ibm
IBM Security Bulletins		Security Bulletin: IBM App Connect Enterprise and IBM Integration Bus for z/OS are vulnerable to multiple vulnerabilities due to Apache Log4j ( CVE-2026-34477, CVE-2026-34478, CVE-2026-34479 & CVE-2026-34480 )
22 May 202614:52
–ibm
Chainguard		CVE-2026-34479 vulnerabilities
17 Apr 202601:17
–cgr
Circl		CVE-2026-34479
10 Apr 202616:10
–circl
CNNVD		Apache Log4j 安全漏洞
10 Apr 202600:00
–cnnvd
CVE		CVE-2026-34479
10 Apr 202615:41
–cve
Cvelist		CVE-2026-34479 Apache Log4j 1 to Log4j 2 bridge: Silent log event loss in Log4j1XmlLayout due to unescaped XML 1.0 forbidden characters
10 Apr 202615:41
–cvelist
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29 May 2026 08:27Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.15.3 - 7.5
CVSS 46.9
EPSS0.00126
SSVC
CWE-91
apachelog4j bridgexml escapingmalformed xmldenial of servicelog analysismitigation unavailable
1