CVE-2019-15903High· 7.5▾ TwilightIn libexpat before 2.2.8, crafted XML input could fool the parser into changing from DTD parsing to document parsing too early; a consecutive call to XML_GetCurrentLineNumber (or XML_GetCurrentColumnNumber) then resulted in a heap-based …
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 41.3 · likelihood 1.3 · exploitation 0
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Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
6.6%
In libexpat before 2.2.8, crafted XML input could fool the parser into changing from DTD parsing to document parsing too early; a consecutive call to XML_GetCurrentLineNumber (or XML_GetCurrentColumnNumber) then resulted in a heap-based buffer over-read.
libexpat < 2.2.8python >= 2.7.0, < 2.7.17python >= 3.5.0, < 3.5.8python >= 3.6.0, < 3.6.10python >= 3.7.0, < 3.7.5Upgrade past the affected range:
libexpat 2.2.8python 3.7.5Connected by shared product, vendor, weakness, or advisory.
CVE-2018-20843High· 7.5In libexpat in Expat before 2.2.7, XML input including XML names that contain a large number of colons could make the XML parser consume a high amount of RAM and CPU resources while processing (enough to be usable for denial-of-service a…
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CVE-2013-0340Medium· 6.8expat before version 2.4.0 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 HT…
CVE-2026-77214High· 8.2libexpat before commit 13c5f63 contains a heap buffer over-read vulnerability in xmlparse.c
CVE-2019-25013Medium· 5.9The iconv feature in the GNU C Library (aka glibc or libc6) through 2.32, when processing invalid multi-byte input sequences in the EUC-KR encoding, may have a buffer over-read.