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CVE-2021-46143
Published: Jan 6, 2022
Modified: May 5, 2025
PUBLISHED
CVSS v3.1
8.1
HIGH
Description
In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize.
| Vendor | Product | Versions |
|---|---|---|
n/a | n/a | affected n/a |
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AC:H/AV:N/A:H/C:H/I:H/PR:N/S:U/UI:N
Attack Complexity
High
Attack Vector
Network
Availability
High
Confidentiality
High
Integrity
High
Privileges Required
None
Scope
Unchanged
User Interaction
None
References
https://github.com/libexpat/libexpat/issues/532
x_refsource_MISC
https://github.com/libexpat/libexpat/pull/538
x_refsource_MISC
[oss-security] 20220117 Expat 2.4.3 released, includes 8 security fixes
mailing-list
x_refsource_MLIST
https://security.netapp.com/advisory/ntap-20220121-0006/
x_refsource_CONFIRM
https://www.tenable.com/security/tns-2022-05
x_refsource_CONFIRM
DSA-5073
vendor-advisory
x_refsource_DEBIAN
https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf
x_refsource_CONFIRM
GLSA-202209-24
vendor-advisory
x_refsource_GENTOO
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