Xmlsoft: >> Libxml2 >> 2.9.9 Security Vulnerabilities
valid.c in libxml2 before 2.9.13 has a use-after-free of ID and IDREF attributes.
CVSS Score
7.5
EPSS Score
0.06
Published
2022-02-26
A flaw was found in libxml2. Exponential entity expansion attack its possible bypassing all existing protection mechanisms and leading to denial of service.
CVSS Score
6.5
EPSS Score
0.02
Published
2021-07-09
There is a flaw in the xml entity encoding functionality of libxml2 in versions before 2.9.11. An attacker who is able to supply a crafted file to be processed by an application linked with the affected functionality of libxml2 could trigger an out-of-bounds read. The most likely impact of this flaw is to application availability, with some potential impact to confidentiality and integrity if an attacker is able to use memory information to further exploit the application.
CVSS Score
8.6
EPSS Score
0.083
Published
2021-05-19
There's a flaw in libxml2 in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by an application linked with libxml2 could trigger a use-after-free. The greatest impact from this flaw is to confidentiality, integrity, and availability.
CVSS Score
8.8
EPSS Score
0.037
Published
2021-05-18
A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content, causing a NULL dereference. If an untrusted XML document was parsed in recovery mode and post-validated, the flaw could be used to crash the application. The highest threat from this vulnerability is to system availability.
CVSS Score
5.9
EPSS Score
0.035
Published
2021-05-14
xmlParseBalancedChunkMemoryRecover in parser.c in libxml2 before 2.9.10 has a memory leak related to newDoc->oldNs.
CVSS Score
7.5
EPSS Score
0.056
Published
2019-12-24
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