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High 7.5Published Feb 4, 2024
CVE-2023-52425libexpat through 2.5.0 allows a denial of service (resource consumption) because many full reparsings are required in the case of a large token for which multiple buffer fills are needed.
Updated under an hour ago ()
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It affects libexpat_project libexpat and 4 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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libexpat through 2.5.0 allows a denial of service (resource consumption) because many full reparsings are required in the case of a large token for which multiple buffer fills are needed.
- CVSS
- 7.5 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-400
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- mitre
- NVD analysis
- Modified
- Record last updated
- Oct 15, 2026
- First seen by InfoSec Signals
- Oct 15, 2026
Affected products
libexpat_project libexpat libexpat_project:libexpat | through 2.5.0 | CISA ADP |
Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518_4_pn_dp_mfp (from the name) | from V3.1.0 before V3.1.5 | CISA ADP |
Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518f_4_pn_dp_mfp (from the name) | from V3.1.0 before V3.1.5 | CISA ADP |
Siemens SINEC NMS siemens:sinec_nms (from the name) | before V3.0 | CISA ADP |
Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP siemens:siplus_s7_1500_cpu_1518_4_pn_dp_mfp (from the name) | from V3.1.0 before V3.1.5 | CISA ADP |
libexpat_project libexpat libexpat_project:libexpat | through 2.5.0 | NVD |
References
- https://github.com/libexpat/libexpat/pull/789exploit, vendor-advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PNRIHC7DVVRAIWFRGV23Y6UZXFBXSQDB/vendor-advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WNUBSGZFEZOBHJFTAD42SAN4ATW2VEMV/vendor-advisory
- https://lists.debian.org/debian-lts-announce/2024/04/msg00006.htmlmailing-list
- http://www.openwall.com/lists/oss-security/2024/03/20/5mailing-list
- https://security.netapp.com/advisory/ntap-20240614-0003/
- https://lists.debian.org/debian-lts-announce/2024/09/msg00036.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PNRIHC7DVVRAIWFRGV23Y6UZXFBXSQDB/
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
- https://cert-portal.siemens.com/productcert/html/ssa-784301.html
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.