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Vuln ID | Summary | CVSS Severity |
---|---|---|
CVE-2021-46143 |
In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize. Published: January 05, 2022; 11:15:07 PM -0500 |
V4.0:(not available) V3.1: 7.8 HIGH V2.0: 6.8 MEDIUM |
CVE-2021-45960 |
In Expat (aka libexpat) before 2.4.3, a left shift by 29 (or more) places in the storeAtts function in xmlparse.c can lead to realloc misbehavior (e.g., allocating too few bytes, or only freeing memory). Published: January 01, 2022; 2:15:08 PM -0500 |
V4.0:(not available) V3.1: 8.8 HIGH V2.0: 9.0 HIGH |
CVE-2013-0340 |
expat 2.1.0 and earlier does not properly handle entities expansion unless an application developer uses the XML_SetEntityDeclHandler function, which allows remote attackers to cause a denial of service (resource consumption), send HTTP requests to intranet servers, or read arbitrary files via a crafted XML document, aka an XML External Entity (XXE) issue. NOTE: it could be argued that because expat already provides the ability to disable external entity expansion, the responsibility for resolving this issue lies with application developers; according to this argument, this entry should be REJECTed, and each affected application would need its own CVE. Published: January 21, 2014; 1:55:09 PM -0500 |
V4.0:(not available) V3.x:(not available) V2.0: 6.8 MEDIUM |