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CVE-2024-28757

Date: March 9, 2024

libexpat through 2.6.1 allows an XML Entity Expansion attack when there is isolated use of external parsers (created via XML_ExternalEntityParserCreate).

Language: C

Severity Score

Related Resources (11)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FPLC6WDSRDUYS7F7JWAOVOHFNOUQ43DD/
https://security.netapp.com/advisory/ntap-20240322-0001/
https://github.com/libexpat/libexpat/pull/842
https://security.alpinelinux.org/vuln/CVE-2024-28757
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VK2O34GH43NTHBZBN7G5Y6YKJKPUCTBE/
http://www.openwall.com/lists/oss-security/2024/03/15/1
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LKJ7V5F6LJCEQJXDBWGT27J7NAP3E3N7/
https://nvd.nist.gov/vuln/detail/CVE-2024-28757
https://github.com/libexpat/libexpat/issues/839
https://security-tracker.debian.org/tracker/CVE-2024-28757
https://www.mend.io/vulnerability-database/CVE-2024-28757

Severity Score

Weakness Type (CWE)

Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')

CWE-776

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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