Foxit PDF Editor/Reader Signature Hyperlink Use-After-Free Vulnerability
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When the application opens a PDF, traverses and builds the annotation elements related to hyperlinks, it fails to validate the abnormal annotation relationships and field combinations. This results in the internal objects entering an invalid state. Eventually, during the destruction phase, an invalid pointer write occurred, causing the application to crash.
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.
No remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
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