CVE-2022-43680CWE-416

CVE-2022-43680

High · published October 24, 2022

CVSS v3.1
7.5
EPSS
3%
Percentile
88.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.03182 · 88.0th percentile
Weakness
CWE-416 · Use After Free
Published
2022-10-24T18:15Z
Affected products (15)
ProductVersionsFixed in
libexpat_project/libexpat≤ 2.4.9—
debian/debian_linuxall versions—
debian/debian_linuxall versions—
fedoraproject/fedoraall versions—
fedoraproject/fedoraall versions—
fedoraproject/fedoraall versions—
netapp/h300s_firmwareall versions—
netapp/h500s_firmwareall versions—
netapp/h700s_firmwareall versions—
netapp/h410s_firmwareall versions—
netapp/h410c_firmwareall versions—
netapp/active_iq_unified_managerall versions—
netapp/oncommand_workflow_automationall versions—
netapp/solidfire_\&_hci_management_nodeall versions—
netapp/hci_compute_node_firmwareall versions—
References (32)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IUJ2BULJTZ2BMSKQHB6US674P55UCWWS/ · af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XG5XOOB7CD55CEE6OJYKSACSIMQ4RWQ6/ · af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202210-38 · af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20221118-0007/ · af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2022/dsa-5266 · af854a3a-2127-422b-91ae-364da2661108https://cert-portal.siemens.com/productcert/html/ssa-398330.html · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5ehttps://cert-portal.siemens.com/productcert/html/ssa-892048.html · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5ehttp://www.openwall.com/lists/oss-security/2023/12/28/5 · [email protected]http://www.openwall.com/lists/oss-security/2024/01/03/5 · [email protected]https://github.com/libexpat/libexpat/issues/649 · [email protected]https://github.com/libexpat/libexpat/pull/616 · [email protected]https://github.com/libexpat/libexpat/pull/650 · [email protected]https://lists.debian.org/debian-lts-announce/2022/10/msg00033.html · [email protected]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AJ5VY2VYXE4WTRGQ6LMGLF6FV3SY37YE/ · [email protected]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BY4OPSIB33ETNUXZY2UPZ4NGQ3OKDY4D/ · [email protected]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DPQVIF6TOJNY2T3ZZETFKR4G34FFREBQ/ · [email protected]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FFCOMBSOJKLIKCGCJWHLJXO4EVYBG7AR/ · [email protected]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IUJ2BULJTZ2BMSKQHB6US674P55UCWWS/ · [email protected]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XG5XOOB7CD55CEE6OJYKSACSIMQ4RWQ6/ · [email protected]https://security.gentoo.org/glsa/202210-38 · [email protected]https://security.netapp.com/advisory/ntap-20221118-0007/ · [email protected]https://www.debian.org/security/2022/dsa-5266 · [email protected]http://www.openwall.com/lists/oss-security/2023/12/28/5 · af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2024/01/03/5 · af854a3a-2127-422b-91ae-364da2661108https://github.com/libexpat/libexpat/issues/649 · af854a3a-2127-422b-91ae-364da2661108https://github.com/libexpat/libexpat/pull/616 · af854a3a-2127-422b-91ae-364da2661108https://github.com/libexpat/libexpat/pull/650 · af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2022/10/msg00033.html · af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AJ5VY2VYXE4WTRGQ6LMGLF6FV3SY37YE/ · af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BY4OPSIB33ETNUXZY2UPZ4NGQ3OKDY4D/ · af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DPQVIF6TOJNY2T3ZZETFKR4G34FFREBQ/ · af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FFCOMBSOJKLIKCGCJWHLJXO4EVYBG7AR/ · af854a3a-2127-422b-91ae-364da2661108
EPSS history
Timeline
  • 24 OCT 00:00Z
    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…
    cvelistv5