Veille CVE
CVE-2026-45186
7.5 ÉlevéeDescription
In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized crafted XML input.
Produits concernés
- libexpat project libexpat
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- Red Hat JBoss Core Services 2.4.62.SP4
- Red Hat Discovery 2
- Red Hat Update Infrastructure 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP
- Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP
- Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP
Scores CVSS
| Version | Score | Source | Vecteur |
|---|---|---|---|
| 3.1 | 2.9 Faible | cve@mitre.org | CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L |
| 3.1 | 7.5 Élevée | nvd@nist.gov (NVD) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 3.1 | 7.5 Élevée | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Faiblesses (CWE)
Références
- https://github.com/libexpat/libexpat/pull/1216 ExploitIssue TrackingPatch
- http://www.openwall.com/lists/oss-security/2026/05/11/16 Mailing ListThird Party Advisory
- https://access.redhat.com/errata/RHSA-2026:22715
- https://access.redhat.com/errata/RHSA-2026:22721
- https://access.redhat.com/errata/RHSA-2026:23230
- https://access.redhat.com/errata/RHSA-2026:26319
- https://access.redhat.com/errata/RHSA-2026:27201
- https://access.redhat.com/errata/RHSA-2026:29197
- https://access.redhat.com/errata/RHSA-2026:58981
- https://access.redhat.com/security/cve/CVE-2026-45186
- https://bugzilla.redhat.com/show_bug.cgi?id=2468575
- https://cert-portal.siemens.com/productcert/html/ssa-082556.html
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-45186.json