Home > Vulnerability Database > CVE-2022-43680

Mend.io Vulnerability Database

CVE-2022-43680

Date: October 23, 2022

In libexpat through 2.4.9, there is a use-after free caused by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate in out-of-memory situations.

Language: C

Severity Score

7.5

Related Resources (26)

Url: https://security.netapp.com/advisory/ntap-20221118-0007/

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FFCOMBSOJKLIKCGCJWHLJXO4EVYBG7AR/

Url: https://security-tracker.debian.org/tracker/CVE-2022-43680

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DPQVIF6TOJNY2T3ZZETFKR4G34FFREBQ/

Url: https://access.redhat.com/security/cve/CVE-2022-43680

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BY4OPSIB33ETNUXZY2UPZ4NGQ3OKDY4D/

Url: http://www.openwall.com/lists/oss-security/2023/12/28/5

Url: http://www.openwall.com/lists/oss-security/2024/01/03/5

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BY4OPSIB33ETNUXZY2UPZ4NGQ3OKDY4D/

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AJ5VY2VYXE4WTRGQ6LMGLF6FV3SY37YE/

Url: https://github.com/libexpat/libexpat/issues/649

Url: https://lists.debian.org/debian-lts-announce/2022/10/msg00033.html

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XG5XOOB7CD55CEE6OJYKSACSIMQ4RWQ6/

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IUJ2BULJTZ2BMSKQHB6US674P55UCWWS/

Url: https://github.com/libexpat/libexpat/pull/650

Url: https://github.com/libexpat/libexpat/pull/616

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FFCOMBSOJKLIKCGCJWHLJXO4EVYBG7AR/

Url: https://nvd.nist.gov/vuln/detail/CVE-2022-43680

Url: https://www.debian.org/security/2022/dsa-5266

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XG5XOOB7CD55CEE6OJYKSACSIMQ4RWQ6/

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DPQVIF6TOJNY2T3ZZETFKR4G34FFREBQ/

Url: https://security.alpinelinux.org/vuln/CVE-2022-43680

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IUJ2BULJTZ2BMSKQHB6US674P55UCWWS/

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AJ5VY2VYXE4WTRGQ6LMGLF6FV3SY37YE/

Url: https://security.gentoo.org/glsa/202210-38

Url: https://www.mend.io/vulnerability-database/CVE-2022-43680

Severity Score

7.5

Weakness Type (CWE)

Use After Free

CWE-416

CVSS v3.1

Base Score:	7.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

Mend.io Vulnerability Database

We found results for “”

CVE-2022-43680

Date: October 23, 2022

Language: C

Severity Score

Related Resources (26)

Severity Score

Weakness Type (CWE)

CVSS v3.1

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