CVE-2022-23308 valid.c in libxml2 before 2.9.13 has a use-after-free of ID and IDREF attributes

Description

valid.c in libxml2 before 2.9.13 has a use-after-free of ID and IDREF attributes.

Affected products and versions

Product	Affected versions	Fixed in
n/a	Versions not published
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP 3.1	3.1.0 → < 3.1.5	3.1.5
SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP 3.1	3.1.0 → < 3.1.5	3.1.5
SINAMICS PERFECT HARMONY GH180	Versions not published
SIPLUS S7-1500 CPU 1518-4 PN/DP MFP 3.1	3.1.0 → < 3.1.5	3.1.5

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