vulnerability
Red Hat: CVE-2021-3517: CVE-2021-3517 libxml2: Heap-based buffer overflow in xmlEncodeEntitiesInternal() in entities.c (Multiple Advisories)
Severity | CVSS | Published | Added | Modified |
---|---|---|---|---|
8 | (AV:N/AC:L/Au:N/C:P/I:P/A:P) | May 19, 2021 | Jun 30, 2021 | Jul 9, 2025 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
May 19, 2021
Added
Jun 30, 2021
Modified
Jul 9, 2025
Description
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.
Solution(s)
no-fix-redhat-rpm-packageredhat-upgrade-libxml2redhat-upgrade-libxml2-debuginforedhat-upgrade-libxml2-debugsourceredhat-upgrade-libxml2-develredhat-upgrade-python3-libxml2redhat-upgrade-python3-libxml2-debuginfo
References

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