CVE-2025-59375
- State
- Published
- Severity
- 7.5 High
- Published
- Sep 15, 2025
- Updated
- Oct 15, 2026
- Reserved
- Sep 15, 2025
Description
libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:H/RL:T/RC:C | mitre |
Weaknesses
- CWE-770 Allocation of Resources Without Limits or Throttling
Affected Products
| Product | Versions |
|---|---|
libexpatlibexpat project |
|
References
- https://github.com/libexpat/libexpat/issues/1018
- https://github.com/libexpat/libexpat/pull/1034
- https://github.com/libexpat/libexpat/blob/676a4c531ec768732fac215da9730b5f50fbd2bf/expat/Changes#L45-L74
- https://issues.oss-fuzz.com/issues/439133977
- https://github.com/libexpat/libexpat/blob/R_2_7_2/expat/Changes
- http://www.openwall.com/lists/oss-security/2025/09/16/2
- http://www.openwall.com/lists/oss-security/2026/05/01/5
- https://cert-portal.siemens.com/productcert/html/ssa-082556.html
- https://cert-portal.siemens.com/productcert/html/ssa-089022.html
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