7.5

CVE-2026-63686

Apache HTTP Server: mod_xml2enc crash on charset conversion failure

A NULL pointer dereference in mod_xml2enc in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows an untrusted backend server to cause a denial of service via a proxied response with a charset whose conversion partially succeeds then fails.

Users are recommended to upgrade to version 2.4.69, which fixes this issue.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Apache ≫ HTTP Server Version >= 2.4.0 < 2.4.69
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.33% 0.237
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
CISA-ADP 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

https://httpd.apache.org/security/vulnerabilities_24.html
Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/10/01/25
Third Party Advisory
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