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URL: https://nvd.nist.gov/vuln/detail/CVE-2025-59375

⇱ NVD - CVE-2025-59375

  1. Vulnerabilities

CVE-2025-59375 Detail

Modified After Enrichment

This CVE record has been updated after NVD enrichment efforts were completed. Enrichment data supplied by the NVD may require amendment due to these changes.

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.


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:

NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
http://www.openwall.com/lists/oss-security/2025/09/16/2 CVE
http://www.openwall.com/lists/oss-security/2026/05/01/5 CVE
https://cert-portal.siemens.com/productcert/html/ssa-082556.html siemens-SADP
https://cert-portal.siemens.com/productcert/html/ssa-089022.html siemens-SADP
https://github.com/libexpat/libexpat/blob/676a4c531ec768732fac215da9730b5f50fbd2bf/expat/Changes#L45-L74 MITRE Product 
https://github.com/libexpat/libexpat/blob/R_2_7_2/expat/Changes MITRE Product 
https://github.com/libexpat/libexpat/issues/1018 MITRE Exploit  Issue Tracking 
https://github.com/libexpat/libexpat/pull/1034 MITRE Issue Tracking 
https://issues.oss-fuzz.com/issues/439133977 MITRE Exploit  Issue Tracking 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-770 Allocation of Resources Without Limits or Throttling MITRE  

Known Affected Software Configurations Switch to CPE 2.2

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Denotes Vulnerable Software
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Change History

9 change records found show changes

CVE Modified by siemens-SADP 6/17/2026 5:46:02 AM

Action Type Old Value New Value
Added Affected Record truncated, showing 2048 of 3849 characters.
View Entire Change Record
[{"vendor":"Siemens","product":"RUGGEDCOM RST2428P","defaultStatus":"unknown","versions":[{"version":"0","lessThan":"V3.3","versionType":"custom","status":"affected"}]},{"vendor":"Siemens","product":"SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family","defaultStatus":"unknown","versions":[{"version":"0","lessThan":"V3.3","versionType":"custom","status":"affected"}]},{"vendor":"Siemens","product":"SCALANCE XCH328","defaultStatus":"unknown","versions":[{"version":"0","lessThan":"V3.3","versionType":"custom","status":"affected"}]},{"vendor":"Siemens","product":"SCALANCE XCM324","defaultStatus":"unknown","versions":[{"version":"0","lessThan":"V3.3","versionType":"custom","status":"affected"}]},{"vendor":"Siemens","product":"SCALANCE XCM328","defaultStatus":"unknown","versions":[{"version":"0","lessThan":"V3.3","versionType":"custom","status":"affected"}]},{"vendor":"Siemens","product":"SCALANCE XCM332","defaultStatus":"unknown","versions":[{"version":"0","lessThan":"V3.3","versionType":"custom","status":"affected"}]},{"vendor":"Siemens","product":"SCALANCE XRH334 (24 V DC, 8xFO, CC)","defaultStatus":"unknown","versions":[{"version":"0","lessThan":"V3.3","versionType":"custom","status":"affected"}]},{"vendor":"Siemens","product":"SCALANCE XRM334 (230 V AC, 12xFO)","defaultStatus":"unknown","versions":[{"version":"0","lessThan":"V3.3","versionType":"custom","status":"affected"}]},{"vendor":"Siemens","product":"SCALANCE XRM334 (230 V AC, 8xFO)","defaultStatus":"unknown","versions":[{"version":"0","lessThan":"V3.3","versionType":"custom","status":"affected"}]},{"vendor":"Siemens","product":"SCALANCE XRM334 (230V AC, 2x10G, 24xSFP, 8xSFP+)","defaultStatus":"unknown","versions":[{"version":"0","lessThan":"V3.3","versionType":"custom","status":"affected"}]},{"vendor":"Siemens","product":"SCALANCE XRM334 (24 V DC, 12xFO)","defaultStatus":"unknown","versions":[{"version":"0","lessThan":"V3.3","versionType":"custom","status":"affected"}]},{"vendor":"Siemens","product":"SCALANCE XRM334 (24 V DC, 8xFO)","defaultStatus":"unknow

CVE Modified by CISA-ADP 6/17/2026 5:46:02 AM

Action Type Old Value New Value
Added SSVC 
{"timestamp":"2025-09-15T20:22:58.509715Z","id":"CVE-2025-59375","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}

CVE Modified by MITRE 6/17/2026 5:46:02 AM

Action Type Old Value New Value
Added Affected 
[{"vendor":"libexpat project","product":"libexpat","defaultStatus":"unaffected","versions":[{"version":"0","lessThan":"2.7.2","versionType":"semver","status":"affected"}]}]

CVE Modified by siemens-SADP 5/12/2026 9:17:22 AM

Action Type Old Value New Value
Added Reference 
https://cert-portal.siemens.com/productcert/html/ssa-082556.html
Added Reference 
https://cert-portal.siemens.com/productcert/html/ssa-089022.html

CVE Modified by CVE 5/01/2026 11:16:33 AM

Action Type Old Value New Value
Added Reference 
http://www.openwall.com/lists/oss-security/2026/05/01/5

CVE Modified by CVE 11/04/2025 5:16:34 PM

Action Type Old Value New Value
Added Reference 
http://www.openwall.com/lists/oss-security/2025/09/16/2

Initial Analysis by NIST 10/17/2025 3:26:36 PM

Action Type Old Value New Value
Added CPE Configuration 
OR
 *cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:* versions up to (excluding) 2.7.2
Added Reference Type 
MITRE: https://github.com/libexpat/libexpat/blob/676a4c531ec768732fac215da9730b5f50fbd2bf/expat/Changes#L45-L74 Types: Product
Added Reference Type 
MITRE: https://github.com/libexpat/libexpat/blob/R_2_7_2/expat/Changes Types: Product
Added Reference Type 
MITRE: https://github.com/libexpat/libexpat/issues/1018 Types: Exploit, Issue Tracking
Added Reference Type 
MITRE: https://github.com/libexpat/libexpat/pull/1034 Types: Issue Tracking
Added Reference Type 
MITRE: https://issues.oss-fuzz.com/issues/439133977 Types: Exploit, Issue Tracking

CVE Modified by MITRE 9/17/2025 10:15:40 AM

Action Type Old Value New Value
Added Reference 
https://github.com/libexpat/libexpat/blob/R_2_7_2/expat/Changes

New CVE Received from MITRE 9/14/2025 11:15:40 PM

Action Type Old Value New Value
Added 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.
Added CVSS V3.1 
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Added CWE 
CWE-770
Added Reference 
https://github.com/libexpat/libexpat/blob/676a4c531ec768732fac215da9730b5f50fbd2bf/expat/Changes#L45-L74
Added Reference 
https://github.com/libexpat/libexpat/issues/1018
Added Reference 
https://github.com/libexpat/libexpat/pull/1034
Added Reference 
https://issues.oss-fuzz.com/issues/439133977

Quick Info

CVE Dictionary Entry:
CVE-2025-59375
NVD Published Date:
09/14/2025
NVD Last Modified:
06/17/2026
Source:
MITRE