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CVE Vulnerabilities

CVE-2026-32776

NULL Pointer Dereference

Published: Mar 16, 2026 | Modified: Mar 17, 2026
CVSS 3.x
5.5
MEDIUM
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
6.2 MODERATE
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-32776
CWEhttps://cwe.mitre.org/data/definitions/476.html

libexpat before 2.7.5 allows a NULL pointer dereference with empty external parameter entity content.

Weakness

The product dereferences a pointer that it expects to be valid but is NULL.

Affected Software

NameVendorStart VersionEnd Version
LibexpatLibexpat_project*2.7.5 (excluding)
AyttmUbuntuesm-apps/xenial*
CableswigUbuntuesm-apps/xenial*
CadaverUbuntuesm-apps/xenial*
Coin3Ubuntuesm-apps/xenial*
ExpatUbuntuesm-infra/xenial*
GdcmUbuntuesm-apps/xenial*
Insighttoolkit4Ubuntuesm-apps/xenial*
LibxmltokUbuntuesm-apps/xenial*
MatanzaUbuntudevel*
MatanzaUbuntuesm-apps/focal*
MatanzaUbuntuesm-apps/jammy*
MatanzaUbuntuesm-apps/noble*
MatanzaUbuntuesm-apps/resolute*
MatanzaUbuntuesm-apps/xenial*
MatanzaUbuntujammy*
MatanzaUbuntunoble*
MatanzaUbuntuquesting*
MatanzaUbunturesolute*
SmartUbuntuesm-apps/xenial*
Swish-eUbuntuesm-apps/xenial*
TdomUbuntuesm-apps/xenial*
Vnc4Ubuntuesm-apps/xenial*
VtkUbuntuesm-apps/xenial*
Wbxml2Ubuntuesm-apps/xenial*
Xmlrpc-cUbuntuesm-apps/xenial*

Potential Mitigations

References

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