Jiahao Liu

**Name of the Vulnerable Software and Affected Versions** Xpdf version 4.04 **Description** The issue occurs when Xpdf 4.04 encounters a PDF object stream whose `Length` field is itself in another object stream, causing a deadlock. **Recommendations** For Xpdf version 4.04, consider updating to a newer version that contains a fix for this issue, as the current version will deadlock on specific PDF object streams. At the moment, there is no information about a newer version that contains a fix for this vulnerability.