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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2021-45960 Detail

Description

In Expat (aka libexpat) before 2.4.3, a left shift by 29 (or more) places in the storeAtts function in xmlparse.c can lead to realloc misbehavior (e.g., allocating too few bytes, or only freeing memory).


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 CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.openwall.com/lists/oss-security/2022/01/17/3 Exploit  Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2022/01/17/3 Exploit  Mailing List  Third Party Advisory 
https://bugzilla.mozilla.org/show_bug.cgi?id=1217609 Issue Tracking  Permissions Required  Third Party Advisory 
https://bugzilla.mozilla.org/show_bug.cgi?id=1217609 Issue Tracking  Permissions Required  Third Party Advisory 
https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf Patch  Third Party Advisory 
https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf Patch  Third Party Advisory 
https://github.com/libexpat/libexpat/issues/531 Exploit  Issue Tracking  Patch  Third Party Advisory 
https://github.com/libexpat/libexpat/issues/531 Exploit  Issue Tracking  Patch  Third Party Advisory 
https://github.com/libexpat/libexpat/pull/534 Patch  Third Party Advisory 
https://github.com/libexpat/libexpat/pull/534 Patch  Third Party Advisory 
https://security.gentoo.org/glsa/202209-24 Third Party Advisory 
https://security.gentoo.org/glsa/202209-24 Third Party Advisory 
https://security.netapp.com/advisory/ntap-20220121-0004/ Third Party Advisory 
https://security.netapp.com/advisory/ntap-20220121-0004/ Third Party Advisory 
https://www.debian.org/security/2022/dsa-5073 Issue Tracking  Third Party Advisory 
https://www.debian.org/security/2022/dsa-5073 Issue Tracking  Third Party Advisory 
https://www.tenable.com/security/tns-2022-05 Third Party Advisory 
https://www.tenable.com/security/tns-2022-05 Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-682 Incorrect Calculation cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

13 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-45960
NVD Published Date:
01/01/2022
NVD Last Modified:
11/21/2024
Source:
MITRE