ALAS2-2023-2321

Related Vulnerabilities: CVE-2023-45322  

libxml2 through 2.11.5 has a use-after-free that can only occur after a certain memory allocation fails. This occurs in xmlUnlinkNode in tree.c. NOTE: the vendor's position is "I don't think these issues are critical enough to warrant a CVE ID ... because an attacker typically can't control when memory allocations fail." (CVE-2023-45322)

ALAS2-2023-2321


Amazon Linux 2 Security Advisory: ALAS-2023-2321
Advisory Release Date: 2023-10-30 23:59 Pacific
Advisory Updated Date: 2023-11-01 22:21 Pacific
Severity: Important

Issue Overview:

libxml2 through 2.11.5 has a use-after-free that can only occur after a certain memory allocation fails. This occurs in xmlUnlinkNode in tree.c. NOTE: the vendor's position is "I don't think these issues are critical enough to warrant a CVE ID ... because an attacker typically can't control when memory allocations fail." (CVE-2023-45322)


Affected Packages:

libxml2


Issue Correction:
Run yum update libxml2 to update your system.

New Packages:
aarch64:
    libxml2-2.9.1-6.amzn2.5.13.aarch64
    libxml2-devel-2.9.1-6.amzn2.5.13.aarch64
    libxml2-static-2.9.1-6.amzn2.5.13.aarch64
    libxml2-python-2.9.1-6.amzn2.5.13.aarch64
    libxml2-debuginfo-2.9.1-6.amzn2.5.13.aarch64

i686:
    libxml2-2.9.1-6.amzn2.5.13.i686
    libxml2-devel-2.9.1-6.amzn2.5.13.i686
    libxml2-static-2.9.1-6.amzn2.5.13.i686
    libxml2-python-2.9.1-6.amzn2.5.13.i686
    libxml2-debuginfo-2.9.1-6.amzn2.5.13.i686

src:
    libxml2-2.9.1-6.amzn2.5.13.src

x86_64:
    libxml2-2.9.1-6.amzn2.5.13.x86_64
    libxml2-devel-2.9.1-6.amzn2.5.13.x86_64
    libxml2-static-2.9.1-6.amzn2.5.13.x86_64
    libxml2-python-2.9.1-6.amzn2.5.13.x86_64
    libxml2-debuginfo-2.9.1-6.amzn2.5.13.x86_64