libexpat before 2.4.9 has a use-after-free in the doContent function in xmlparse.c.
Metrics
NVD enrichment efforts reference publicly available information to associate
vector strings. CVSS information contributed by other sources is also
displayed.
CVSS 4.0 Severity and Vector Strings:
NIST: NVD
NVD assessment
not yet provided.
CVSS 3.x Severity and Vector Strings:
NIST: NVD
Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 Severity and Vector Strings:
NIST: NVD
Base
Score: N/A
NVD assessment
not yet provided.
References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving NIST webspace.
We have provided these links to other web sites because they
may have information that would be of interest to you. No
inferences should be drawn on account of other sites being
referenced, or not, from this page. There may be other web
sites that are more appropriate for your purpose. NIST does
not necessarily endorse the views expressed, or concur with
the facts presented on these sites. Further, NIST does not
endorse any commercial products that may be mentioned on
these sites. Please address comments about this page to [email protected].
| URL |
Source(s) |
Tag(s) |
|
https://github.com/libexpat/libexpat/pull/629
|
CVE, MITRE |
Issue Tracking
Patch
Third Party Advisory
|
|
https://github.com/libexpat/libexpat/pull/640
|
CVE, MITRE |
Issue Tracking
Patch
Third Party Advisory
|
|
https://lists.debian.org/debian-lts-announce/2022/09/msg00029.html
|
CVE, MITRE |
Issue Tracking
Third Party Advisory
|
|
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GSVZN3IJ6OCPSJL7AEX3ZHSHAHFOGESK/
|
CVE, MITRE |
|
|
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J2IGJNHFV53PYST7VQV3T4NHVYAMXA36/
|
CVE, MITRE |
|
|
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LQB6FJAM5YQ35SF5B2MN25Y2FX56EOEZ/
|
CVE, MITRE |
|
|
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WE2ZKEPGFCZ7R6DRVH3K6RBJPT42ZBEG/
|
CVE, MITRE |
|
|
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XCGBVQQ47URGJAZWHCISHDWF6QBTV2LE/
|
CVE, MITRE |
|
|
https://security.gentoo.org/glsa/202209-24
|
CVE, MITRE |
Third Party Advisory
|
|
https://security.gentoo.org/glsa/202211-06
|
CVE, MITRE |
Third Party Advisory
|
|
https://security.netapp.com/advisory/ntap-20221028-0008/
|
CVE, MITRE |
Third Party Advisory
|
|
https://www.debian.org/security/2022/dsa-5236
|
CVE, MITRE |
Third Party Advisory
|
Weakness Enumeration
| CWE-ID |
CWE Name |
Source |
|
CWE-416
|
Use After Free |
NIST
CISA-ADP
|
Change History
21 change records found show changes
CVE Modified by CISA-ADP
6/17/2026 1:01:48 AM
| Action |
Type |
Old Value |
New Value |
| Added |
SSVC |
|
{"timestamp":"2025-05-30T19:17:58.194138Z","id":"CVE-2022-40674","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}
|
CVE Modified by MITRE
6/17/2026 1:01:48 AM
| Action |
Type |
Old Value |
New Value |
| Added |
Affected |
|
[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}]
|
CVE Modified by CISA-ADP
5/30/2025 4:15:30 PM
| Action |
Type |
Old Value |
New Value |
| Added |
CVSS V3.1 |
|
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
|
| Added |
CWE |
|
CWE-416
|
CVE Modified by CVE
11/21/2024 2:21:49 AM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://github.com/libexpat/libexpat/pull/629
|
| Added |
Reference |
|
https://github.com/libexpat/libexpat/pull/640
|
| Added |
Reference |
|
https://lists.debian.org/debian-lts-announce/2022/09/msg00029.html
|
| Added |
Reference |
|
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GSVZN3IJ6OCPSJL7AEX3ZHSHAHFOGESK/
|
| Added |
Reference |
|
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J2IGJNHFV53PYST7VQV3T4NHVYAMXA36/
|
| Added |
Reference |
|
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LQB6FJAM5YQ35SF5B2MN25Y2FX56EOEZ/
|
| Added |
Reference |
|
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WE2ZKEPGFCZ7R6DRVH3K6RBJPT42ZBEG/
|
| Added |
Reference |
|
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XCGBVQQ47URGJAZWHCISHDWF6QBTV2LE/
|
| Added |
Reference |
|
https://security.gentoo.org/glsa/202209-24
|
| Added |
Reference |
|
https://security.gentoo.org/glsa/202211-06
|
| Added |
Reference |
|
https://security.netapp.com/advisory/ntap-20221028-0008/
|
| Added |
Reference |
|
https://www.debian.org/security/2022/dsa-5236
|
CVE Modified by MITRE
5/14/2024 7:28:20 AM
| Action |
Type |
Old Value |
New Value |
CVE Modified by MITRE
11/06/2023 10:52:34 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GSVZN3IJ6OCPSJL7AEX3ZHSHAHFOGESK/ [No types assigned]
|
| Added |
Reference |
|
MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J2IGJNHFV53PYST7VQV3T4NHVYAMXA36/ [No types assigned]
|
| Added |
Reference |
|
MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LQB6FJAM5YQ35SF5B2MN25Y2FX56EOEZ/ [No types assigned]
|
| Added |
Reference |
|
MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WE2ZKEPGFCZ7R6DRVH3K6RBJPT42ZBEG/ [No types assigned]
|
| Added |
Reference |
|
MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XCGBVQQ47URGJAZWHCISHDWF6QBTV2LE/ [No types assigned]
|
| Removed |
Reference |
MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/GSVZN3IJ6OCPSJL7AEX3ZHSHAHFOGESK/
|
|
| Removed |
Reference |
MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/J2IGJNHFV53PYST7VQV3T4NHVYAMXA36/
|
|
| Removed |
Reference |
MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/LQB6FJAM5YQ35SF5B2MN25Y2FX56EOEZ/
|
|
| Removed |
Reference |
MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/WE2ZKEPGFCZ7R6DRVH3K6RBJPT42ZBEG/
|
|
| Removed |
Reference |
MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/XCGBVQQ47URGJAZWHCISHDWF6QBTV2LE/
|
|
Reanalysis by NIST
2/01/2023 2:16:21 PM
| Action |
Type |
Old Value |
New Value |
Modified Analysis by NIST
2/01/2023 1:07:06 PM
| Action |
Type |
Old Value |
New Value |
| Added |
CVSS V3.1 |
|
NIST AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
|
| Removed |
CVSS V3.1 |
NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
|
|
| Added |
CPE Configuration |
|
OR
*cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
*cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
*cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
|
| Changed |
Reference Type |
https://lists.fedoraproject.org/archives/list/[email protected]/message/GSVZN3IJ6OCPSJL7AEX3ZHSHAHFOGESK/ No Types Assigned
|
https://lists.fedoraproject.org/archives/list/[email protected]/message/GSVZN3IJ6OCPSJL7AEX3ZHSHAHFOGESK/ Mailing List, Third Party Advisory
|
| Changed |
Reference Type |
https://lists.fedoraproject.org/archives/list/[email protected]/message/J2IGJNHFV53PYST7VQV3T4NHVYAMXA36/ No Types Assigned
|
https://lists.fedoraproject.org/archives/list/[email protected]/message/J2IGJNHFV53PYST7VQV3T4NHVYAMXA36/ Mailing List, Third Party Advisory
|
| Changed |
Reference Type |
https://lists.fedoraproject.org/archives/list/[email protected]/message/LQB6FJAM5YQ35SF5B2MN25Y2FX56EOEZ/ No Types Assigned
|
https://lists.fedoraproject.org/archives/list/[email protected]/message/LQB6FJAM5YQ35SF5B2MN25Y2FX56EOEZ/ Mailing List, Third Party Advisory
|
| Changed |
Reference Type |
https://lists.fedoraproject.org/archives/list/[email protected]/message/WE2ZKEPGFCZ7R6DRVH3K6RBJPT42ZBEG/ No Types Assigned
|
https://lists.fedoraproject.org/archives/list/[email protected]/message/WE2ZKEPGFCZ7R6DRVH3K6RBJPT42ZBEG/ Mailing List, Third Party Advisory
|
| Changed |
Reference Type |
https://lists.fedoraproject.org/archives/list/[email protected]/message/XCGBVQQ47URGJAZWHCISHDWF6QBTV2LE/ No Types Assigned
|
https://lists.fedoraproject.org/archives/list/[email protected]/message/XCGBVQQ47URGJAZWHCISHDWF6QBTV2LE/ Mailing List, Third Party Advisory
|
| Changed |
Reference Type |
https://security.gentoo.org/glsa/202211-06 No Types Assigned
|
https://security.gentoo.org/glsa/202211-06 Third Party Advisory
|
| Changed |
Reference Type |
https://security.netapp.com/advisory/ntap-20221028-0008/ No Types Assigned
|
https://security.netapp.com/advisory/ntap-20221028-0008/ Third Party Advisory
|
CVE Modified by MITRE
11/22/2022 1:15:49 AM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://security.gentoo.org/glsa/202211-06 [No Types Assigned]
|
CVE Modified by MITRE
11/14/2022 10:16:13 AM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://lists.fedoraproject.org/archives/list/[email protected]/message/LQB6FJAM5YQ35SF5B2MN25Y2FX56EOEZ/ [No Types Assigned]
|
CVE Modified by MITRE
10/29/2022 6:15:10 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://lists.fedoraproject.org/archives/list/[email protected]/message/XCGBVQQ47URGJAZWHCISHDWF6QBTV2LE/ [No Types Assigned]
|
CVE Modified by MITRE
10/29/2022 5:15:09 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://lists.fedoraproject.org/archives/list/[email protected]/message/GSVZN3IJ6OCPSJL7AEX3ZHSHAHFOGESK/ [No Types Assigned]
|
CVE Modified by MITRE
10/28/2022 1:15:26 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://security.netapp.com/advisory/ntap-20221028-0008/ [No Types Assigned]
|
CVE Modified by MITRE
10/14/2022 11:16:10 AM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://lists.fedoraproject.org/archives/list/[email protected]/message/J2IGJNHFV53PYST7VQV3T4NHVYAMXA36/ [No Types Assigned]
|
CVE Modified by MITRE
10/07/2022 2:15:22 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://lists.fedoraproject.org/archives/list/[email protected]/message/WE2ZKEPGFCZ7R6DRVH3K6RBJPT42ZBEG/ [No Types Assigned]
|
Modified Analysis by NIST
10/07/2022 10:13:57 AM
| Action |
Type |
Old Value |
New Value |
| Changed |
Reference Type |
https://security.gentoo.org/glsa/202209-24 No Types Assigned
|
https://security.gentoo.org/glsa/202209-24 Third Party Advisory
|
CVE Modified by MITRE
9/29/2022 1:15:54 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://security.gentoo.org/glsa/202209-24 [No Types Assigned]
|
Modified Analysis by NIST
9/28/2022 4:37:39 PM
| Action |
Type |
Old Value |
New Value |
| Added |
CPE Configuration |
|
OR
*cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
*cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
|
| Changed |
Reference Type |
https://lists.debian.org/debian-lts-announce/2022/09/msg00029.html No Types Assigned
|
https://lists.debian.org/debian-lts-announce/2022/09/msg00029.html Issue Tracking, Third Party Advisory
|
| Changed |
Reference Type |
https://www.debian.org/security/2022/dsa-5236 No Types Assigned
|
https://www.debian.org/security/2022/dsa-5236 Third Party Advisory
|
CVE Modified by MITRE
9/25/2022 6:15:09 AM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://lists.debian.org/debian-lts-announce/2022/09/msg00029.html [No Types Assigned]
|
CVE Modified by MITRE
9/23/2022 12:15:11 AM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://www.debian.org/security/2022/dsa-5236 [No Types Assigned]
|
Initial Analysis by NIST
9/15/2022 11:09:56 PM
| Action |
Type |
Old Value |
New Value |
| Added |
CVSS V3.1 |
|
NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
|
| Added |
CWE |
|
NIST CWE-416
|
| Added |
CPE Configuration |
|
OR
*cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:* versions up to (excluding) 2.4.9
|
| Changed |
Reference Type |
https://github.com/libexpat/libexpat/pull/629 No Types Assigned
|
https://github.com/libexpat/libexpat/pull/629 Issue Tracking, Patch, Third Party Advisory
|
| Changed |
Reference Type |
https://github.com/libexpat/libexpat/pull/640 No Types Assigned
|
https://github.com/libexpat/libexpat/pull/640 Issue Tracking, Patch, Third Party Advisory
|