CVE-2026-79772: Unchecked Xmlc14nexecute Return Value
The return value of `xmlC14NExecute` is not checked. Libxml2's `xmlC14NExecute` returns a negative error code on failure. Failing to verify the return value can result in silent failure, leading to empty canonicalization output and potential XML signature validation bypass.
Cgreprules fetch cve-2026-79772-unchecked-xmlc14nexecute-return-value --engine opengrepDescription
The return value of `xmlC14NExecute` is not checked. Libxml2's `xmlC14NExecute` returns a negative error code on failure. Failing to verify the return value can result in silent failure, leading to empty canonicalization output and potential XML signature validation bypass.
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