CVE-2025-59375
Summary
| CVE | CVE-2025-59375 |
|---|---|
| State | PUBLISHED |
| Assigner | mitre |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2025-09-15 03:15:40 UTC |
| Updated | 2026-05-12 13:17:22 UTC |
| 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. |
Risk And Classification
Primary CVSS: v3.1 7.5 HIGH from [email protected]
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.000490000 probability, percentile 0.152450000 (date 2026-05-12)
Problem Types: CWE-770 | CWE-770 CWE-770 Allocation of Resources Without Limits or Throttling
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Secondary | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 3.1 | CNA | DECLARED | 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 |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Libexpat Project | Libexpat | All | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Libexpat Project | Libexpat | affected 2.7.2 semver | Not specified |
| ADP | Siemens | RUGGEDCOM RST2428P | affected V3.3 custom | Not specified |
| ADP | Siemens | SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 Family | affected V3.3 custom | Not specified |
| ADP | Siemens | SCALANCE XCH328 | affected V3.3 custom | Not specified |
| ADP | Siemens | SCALANCE XCM324 | affected V3.3 custom | Not specified |
| ADP | Siemens | SCALANCE XCM328 | affected V3.3 custom | Not specified |
| ADP | Siemens | SCALANCE XCM332 | affected V3.3 custom | Not specified |
| ADP | Siemens | SCALANCE XRH334 24 V DC 8xFO CC | affected V3.3 custom | Not specified |
| ADP | Siemens | SCALANCE XRM334 230 V AC 12xFO | affected V3.3 custom | Not specified |
| ADP | Siemens | SCALANCE XRM334 230 V AC 8xFO | affected V3.3 custom | Not specified |
| ADP | Siemens | SCALANCE XRM334 230V AC 2x10G 24xSFP 8xSFP | affected V3.3 custom | Not specified |
| ADP | Siemens | SCALANCE XRM334 24 V DC 12xFO | affected V3.3 custom | Not specified |
| ADP | Siemens | SCALANCE XRM334 24 V DC 8xFO | affected V3.3 custom | Not specified |
| ADP | Siemens | SCALANCE XRM334 24V DC 2x10G 24xSFP 8xSFP | affected V3.3 custom | Not specified |
| ADP | Siemens | SCALANCE XRM334 2x230 V AC 12xFO | affected V3.3 custom | Not specified |
| ADP | Siemens | SCALANCE XRM334 2x230 V AC 8xFO | affected V3.3 custom | Not specified |
| ADP | Siemens | SCALANCE XRM334 2x230V AC 2x10G 24xSFP 8xSFP | affected V3.3 custom | Not specified |
| ADP | Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP | affected V3.1.5 * custom | Not specified |
| ADP | Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP | affected V3.1.5 * custom | Not specified |
| ADP | Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP | affected V3.1.5 * custom | Not specified |
| ADP | Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP | affected V3.1.5 * custom | Not specified |
| ADP | Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP | affected V3.1.5 * custom | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| issues.oss-fuzz.com/issues/439133977 | [email protected] | issues.oss-fuzz.com | Exploit, Issue Tracking |
| github.com/libexpat/libexpat/blob/676a4c531ec768732fac215da9730b5f50fbd2... | [email protected] | github.com | Product |
| cert-portal.siemens.com/productcert/html/ssa-089022.html | 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e | cert-portal.siemens.com | |
| cert-portal.siemens.com/productcert/html/ssa-082556.html | 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e | cert-portal.siemens.com | |
| github.com/libexpat/libexpat/blob/R_2_7_2/expat/Changes | [email protected] | github.com | Product |
| github.com/libexpat/libexpat/issues/1018 | [email protected] | github.com | Exploit, Issue Tracking |
| github.com/libexpat/libexpat/pull/1034 | [email protected] | github.com | Issue Tracking |
| www.openwall.com/lists/oss-security/2026/05/01/5 | af854a3a-2127-422b-91ae-364da2661108 | www.openwall.com | |
| www.openwall.com/lists/oss-security/2025/09/16/2 | af854a3a-2127-422b-91ae-364da2661108 | www.openwall.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.