CVE-2022-43680
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2022-43680
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-43680.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2022-43680
- Aliases
-
- A-255449293
- ASB-A-255449293
- Downstream
- Related
- Published
- 2022-10-24T14:15:53Z
- Modified
- 2025-10-16T05:26:12.289658Z
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
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.
- References
-
- http://www.openwall.com/lists/oss-security/2023/12/28/5
- http://www.openwall.com/lists/oss-security/2024/01/03/5
- https://github.com/libexpat/libexpat/issues/649
- https://github.com/libexpat/libexpat/pull/616
- https://github.com/libexpat/libexpat/pull/650
- https://lists.debian.org/debian-lts-announce/2022/10/msg00033.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AJ5VY2VYXE4WTRGQ6LMGLF6FV3SY37YE/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BY4OPSIB33ETNUXZY2UPZ4NGQ3OKDY4D/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DPQVIF6TOJNY2T3ZZETFKR4G34FFREBQ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FFCOMBSOJKLIKCGCJWHLJXO4EVYBG7AR/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IUJ2BULJTZ2BMSKQHB6US674P55UCWWS/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XG5XOOB7CD55CEE6OJYKSACSIMQ4RWQ6/
- https://security.gentoo.org/glsa/202210-38
- https://security.netapp.com/advisory/ntap-20221118-0007/
- https://www.debian.org/security/2022/dsa-5266
Affected packages
Git / github.com/libexpat/libexpat
Affected ranges
- Type
- GIT
- Repo
- https://github.com/libexpat/libexpat
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedLast affected
Affected versions
Other
REC1_0
R_1_95_0
R_1_95_2
R_1_95_3
R_1_95_4
R_1_95_5
R_1_95_6
R_1_95_7
R_1_95_8
R_2_0_0
R_2_0_1
R_2_1_0
R_2_1_1
R_2_2_0
R_2_2_1
R_2_2_10
R_2_2_2
R_2_2_3
R_2_2_4
R_2_2_5
R_2_2_6
R_2_2_7
R_2_2_8
R_2_2_9
R_2_3_0
R_2_4_0
R_2_4_1
R_2_4_2
R_2_4_3
R_2_4_4
R_2_4_5
R_2_4_6
R_2_4_7
R_2_4_8
R_2_4_9
V1990307
V19981122
V19981231
V19990109
V19990425
V19990626
V19990709
V19990728
V19991013
V1_0
V1_1
V20000512
beta2
beta3
beta4
jclark-orig
libexpat-alpha-1
sourceforge_init
start