QID 356976

Date Published: 2024-01-17

QID 356976: Amazon Linux Security Advisory for libxml2 : AL2012-2023-460

Package updates are available for Amazon Linux that fix the following vulnerabilities:
CVE-2023-39615:
Xmlsoft Libxml2 v2.11.0 was discovered to contain a global buffer overflow via the xmlSAX2StartElement() function at /libxml2/SAX2.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via supplying a crafted XML file. CVE-2017-16931:
parser.c in libxml2 before 2.9.5 mishandles parameter-entity references because the NEXTL macro calls the xmlParserHandlePEReference function in the case of a '%' character in a DTD name.

Successful exploitation of this vulnerability could lead to a security breach or could affect integrity, availability, and confidentiality.

CVSS V3 rated as Critical - 9.8 severity.

CVSS V2 rated as High - 7.5 severity.

Solution

Administrators are advised to apply the appropriate software updates.

Vendor References

CVEs related to QID 356976

CVE-2023-39615 | CVE-2017-16931 |

Software Advisories

Advisory ID	Software	Component	Link
AL2012-2023-460	Amazon Linux Bare Metal		docs.aws.amazon.com/AWSEC2/latest/UserGuide/install-updates.html

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