Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2022-23308

Use After Free

Published: Feb 26, 2022 | Modified: May 05, 2025
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
4.3 MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
8.1 MODERATE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2022-23308
CWEhttps://cwe.mitre.org/data/definitions/416.html

valid.c in libxml2 before 2.9.13 has a use-after-free of ID and IDREF attributes.

Weakness

The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory “belongs” to the code that operates on the new pointer.

Affected Software

NameVendorStart VersionEnd Version
Libxml2Xmlsoft*2.9.13 (excluding)
JBoss Core Services for RHEL 8RedHatjbcs-httpd24-apr-util-0:1.6.1-91.el8jbcs*
JBoss Core Services for RHEL 8RedHatjbcs-httpd24-curl-0:7.78.0-3.el8jbcs*
JBoss Core Services for RHEL 8RedHatjbcs-httpd24-httpd-0:2.4.37-80.el8jbcs*
JBoss Core Services for RHEL 8RedHatjbcs-httpd24-mod_cluster-native-0:1.3.16-10.Final_redhat_2.el8jbcs*
JBoss Core Services for RHEL 8RedHatjbcs-httpd24-mod_http2-0:1.15.7-22.el8jbcs*
JBoss Core Services for RHEL 8RedHatjbcs-httpd24-mod_jk-0:1.2.48-29.redhat_1.el8jbcs*
JBoss Core Services for RHEL 8RedHatjbcs-httpd24-mod_md-1:2.0.8-41.el8jbcs*
JBoss Core Services for RHEL 8RedHatjbcs-httpd24-mod_security-0:2.9.2-68.GA.el8jbcs*
JBoss Core Services for RHEL 8RedHatjbcs-httpd24-nghttp2-0:1.39.2-41.el8jbcs*
JBoss Core Services for RHEL 8RedHatjbcs-httpd24-openssl-1:1.1.1g-11.el8jbcs*
JBoss Core Services for RHEL 8RedHatjbcs-httpd24-openssl-chil-0:1.0.0-11.el8jbcs*
JBoss Core Services for RHEL 8RedHatjbcs-httpd24-openssl-pkcs11-0:0.4.10-26.el8jbcs*
JBoss Core Services on RHEL 7RedHatjbcs-httpd24-apr-util-0:1.6.1-91.jbcs.el7*
JBoss Core Services on RHEL 7RedHatjbcs-httpd24-curl-0:7.78.0-3.jbcs.el7*
JBoss Core Services on RHEL 7RedHatjbcs-httpd24-httpd-0:2.4.37-80.jbcs.el7*
JBoss Core Services on RHEL 7RedHatjbcs-httpd24-mod_cluster-native-0:1.3.16-10.Final_redhat_2.jbcs.el7*
JBoss Core Services on RHEL 7RedHatjbcs-httpd24-mod_http2-0:1.15.7-22.jbcs.el7*
JBoss Core Services on RHEL 7RedHatjbcs-httpd24-mod_jk-0:1.2.48-29.redhat_1.jbcs.el7*
JBoss Core Services on RHEL 7RedHatjbcs-httpd24-mod_md-1:2.0.8-41.jbcs.el7*
JBoss Core Services on RHEL 7RedHatjbcs-httpd24-mod_security-0:2.9.2-68.GA.jbcs.el7*
JBoss Core Services on RHEL 7RedHatjbcs-httpd24-nghttp2-0:1.39.2-41.jbcs.el7*
JBoss Core Services on RHEL 7RedHatjbcs-httpd24-openssl-1:1.1.1g-11.jbcs.el7*
JBoss Core Services on RHEL 7RedHatjbcs-httpd24-openssl-chil-0:1.0.0-11.jbcs.el7*
JBoss Core Services on RHEL 7RedHatjbcs-httpd24-openssl-pkcs11-0:0.4.10-26.jbcs.el7*
Red Hat Enterprise Linux 8RedHatlibxml2-0:2.9.7-12.el8_5*
Red Hat Enterprise Linux 8RedHatlibxml2-0:2.9.7-12.el8_5*
Text-Only JBCSRedHatlibxml2*
Libxml2Ubuntubionic*
Libxml2Ubuntuesm-infra-legacy/trusty*
Libxml2Ubuntuesm-infra/bionic*
Libxml2Ubuntuesm-infra/focal*
Libxml2Ubuntuesm-infra/xenial*
Libxml2Ubuntufocal*
Libxml2Ubuntuimpish*
Libxml2Ubuntutrusty*
Libxml2Ubuntutrusty/esm*
Libxml2Ubuntuupstream*
Libxml2Ubuntuxenial*

Potential Mitigations

References

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