CVE-2024-45491
High
CVE-2024-45491
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).
Exploit probability
1.1%
Published
August 30, 2024
Required by
Not available
Last source change
August 12, 2026
02 / AFFECTED SOFTWARE
Affected packages
58 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2024-45491
View original source
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).
05 / REFERENCES
Further evidence
- https://cert-portal.siemens.com/productcert/html/ssa-082556.html
- https://cert-portal.siemens.com/productcert/html/ssa-613116.html
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/45xxx/CVE-2024-45491.json
- https://github.com/libexpat/libexpat/issues/888
- https://github.com/libexpat/libexpat/pull/891
- https://lists.debian.org/debian-lts-announce/2024/09/msg00036.html
- https://nvd.nist.gov/vuln/detail/CVE-2024-45491
- https://security.netapp.com/advisory/ntap-20241018-0003/