CVE-2024-45491: Integer Overflow
First published: Fri Aug 30 2024(Updated: )
An issue was discovered in libexpat before 2.6.3. dtdCopy in xmlparse.c can have an integer overflow for nDefaultAtts on 32-bit platforms (where UINT_MAX equals SIZE_MAX).
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/expat | <=2.2.10-2+deb11u5 | 2.2.10-2+deb11u6 2.5.0-1+deb12u1 2.6.4-1 |
| Debian (libexpat1) | <2.6.3 | |
| IBM Rational Team Concert | <=1.0.0, 1.0.1, 1.0.2, 1.0.2.1 |
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Reference Links
- https://github.com/libexpat/libexpat/issues/888
- https://github.com/libexpat/libexpat/pull/891
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-45491
- https://nvd.nist.gov/vuln/detail/CVE-2024-45491
- https://launchpad.net/bugs/cve/CVE-2024-45491
- https://security-tracker.debian.org/tracker/CVE-2024-45491
- https://ubuntu.com/security/CVE-2024-45491
- https://github.com/libexpat/libexpat/commit/b8a7dca4670973347892cfc452b24d9001dcd6f5
- https://www.ibm.com/support/pages/node/7176346 (Advisory)
- https://github.com/libexpat/libexpat/blob/R_2_6_3/expat/Changes
- https://access.redhat.com/errata/RHSA-2024:6754
- https://access.redhat.com/errata/RHSA-2024:6989
- https://access.redhat.com/errata/RHSA-2024:7599
- https://access.redhat.com/errata/RHSA-2024:8859
- https://access.redhat.com/errata/RHSA-2024:9610
- https://bugzilla.redhat.com/show_bug.cgi?id=2308616
- https://security.netapp.com/advisory/ntap-20241018-0003/
Frequently Asked Questions
What is the severity of CVE-2024-45491?
CVE-2024-45491 is classified as a high severity vulnerability due to the potential for integer overflow on 32-bit platforms.
How do I fix CVE-2024-45491?
To fix CVE-2024-45491, upgrade to libexpat version 2.6.3 or later.
Which versions of libexpat are affected by CVE-2024-45491?
Versions of libexpat earlier than 2.6.3 are affected by CVE-2024-45491.
Is CVE-2024-45491 specific to any operating system?
CVE-2024-45491 primarily affects 32-bit platforms.
What software can be impacted by CVE-2024-45491?
CVE-2024-45491 impacts libexpat, IBM Concert Software, and Debian packages that use affected versions.
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