libexpat: libexpat: Memory corruption vulnerability allows arbitrary code execution or denial of service
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| libexpat project | libexpat | unaffected |
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No data.
| Vendor | Product | Versions | ||||||||
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| Libexpat Project | Libexpat |
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| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-4765-1 | expat security update |
Debian DSA |
DSA-6566-1 | expat security update |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.119% probability within 30 days)
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ssvc
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| Title | Use-After-Free in libexpat Due to Missing Handler Depth Tracking for Custom Encoding Callbacks | libexpat: libexpat: Memory corruption vulnerability allows arbitrary code execution or denial of service |
| Weaknesses | CWE-825 | |
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| Metrics |
threat_severity
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threat_severity
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| Title | Use-After-Free in libexpat Due to Missing Handler Depth Tracking for Custom Encoding Callbacks |
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| Description | libexpat before 2.8.4 lacks handler call depth tracking with custom encoding callbacks. Thus, a use-after-free can occur. NOTE: this is similar to CVE-2026-50219, CVE-2026-56131 and CVE-2026-56412. | |
| First Time appeared |
Libexpat Project
Libexpat Project libexpat |
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| Weaknesses | CWE-416 | |
| CPEs | cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Libexpat Project
Libexpat Project libexpat |
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| Metrics |
cvssV3_1
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