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CVE-2022-25315

critical

In Expat (aka libexpat) before 2.4.5, there is an integer overflow in storeRawNames.

Vendor / product: Libexpat Project — libexpat

In Expat (aka libexpat) before 2.4.5, there is an integer overflow in storeRawNames.

CVSS
9.8
9.8 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2022-02-18 05:15
Modified: 2026-10-14 17:17
NVD status: Modified
Last synced 2 days ago
Verified against the source API 2026-10-27 07:06 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

libexpat_project / libexpat <2.4.5
debian / debian_linux 10.0, 11.0
fedoraproject / fedora 34, 35
oracle / http_server 12.2.1.3.0, 12.2.1.4.0
oracle / zfs_storage_appliance_kit 8.8
siemens / sinema_remote_connect_server <3.1

Weakness classification (CWE)

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

Patch / mitigation: https://www.oracle.com/security-alerts/cpuapr2022.html
Patch / mitigation: https://www.oracle.com/security-alerts/cpuapr2022.html

References

Data sources

NVD CVE API 2.0 — fetched 2026-10-27 07:06 UTC · record ↗

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