CVE-2021-31812: A carefully crafted PDF file can trigger an infinite loop while loading the file

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I. Basic Information for CVE-2021-31812

Vulnerability Information

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Vulnerability Title

A carefully crafted PDF file can trigger an infinite loop while loading the file

Source: NVD (National Vulnerability Database)

Vulnerability Description

In Apache PDFBox, a carefully crafted PDF file can trigger an infinite loop while loading the file. This issue affects Apache PDFBox version 2.0.23 and prior 2.0.x versions.

Source: NVD (National Vulnerability Database)

CVSS Information

N/A

Source: NVD (National Vulnerability Database)

Vulnerability Type

过度迭代

Source: NVD (National Vulnerability Database)

Vulnerability Title

Apache PDFBox 安全漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

Apache PDFBox是美国阿帕奇（Apache）基金会的一款基于Java语言的开源工具库。该产品提供PDF文档创建和编辑等功能。 Apache PDFBox 存在安全漏洞，攻击者可利用该漏洞通过一个精心制作的PDF文件在加载文件时触发无限循环。以下产品和版本受到影响：Apache PDFBox version 2.0.23 and prior 2.0.x versions.

Source: CNNVD (China National Vulnerability Database)

CVSS Information

N/A

Source: CNNVD (China National Vulnerability Database)

Vulnerability Type

N/A

Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
Apache Software Foundation	Apache PDFBox	Apache PDFBox ~ 2.0.24	-

II. Public POCs for CVE-2021-31812

#	POC Description	Source Link	Shenlong Link

AI-Generated POCPremium

No public POC found.

III. Intelligence Information for CVE-2021-31812

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https://www.oracle.com/security-alerts/cpujan2022.htmlx_refsource_MISC
https://www.oracle.com/security-alerts/cpuoct2021.htmlx_refsource_MISC
https://lists.apache.org/thread.html/ra2ab0ce69ce8aaff0773b8c1036438387ce004c2afc6f066626e205e%40%3Cusers.pdfbox.apache.org%3Ex_refsource_MISC
https://www.oracle.com/security-alerts/cpujul2022.htmlx_refsource_MISC
https://www.oracle.com/security-alerts/cpuapr2022.htmlx_refsource_MISC
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7HHWJRFXZ3PTKLJCOM7WJEYZFKFWMNSV/vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MDJKJQOMVFDFIDS27OQJXNOYHV2O273D/vendor-advisoryx_refsource_FEDORA
https://lists.apache.org/thread.html/rd4b6db6c3b8ab3c70f1c3bbd725a40920896453ffc2744ade6afd9fb%40%3Cnotifications.ofbiz.apache.org%3Emailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r2090789e4dcc2c87aacbd87d5f18e2d64dcb9f6eb7c47f5cf7d293cb%40%3Cnotifications.ofbiz.apache.org%3Emailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/rfe26bcaba564deb505c32711ba68df7ec589797dcd96ff3389a8aaba%40%3Cnotifications.ofbiz.apache.org%3Emailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r132e9dbbe0ebdc08b39583d8be0a575fdba573d60a42d940228bceff%40%3Cnotifications.ofbiz.apache.org%3Emailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/rf251f6c358087107f8c23473468b279d59d50a75db6b4768165c78d3%40%3Cannounce.apache.org%3Emailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2021/06/12/1mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r179cc3b6822c167702ab35fe36093d5da4c99af44238c8a754c6860f%40%3Ccommits.ofbiz.apache.org%3Emailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r143fd8445e0e778f4a85187bd79438630b96b8040e9401751fdb8aea%40%3Ccommits.ofbiz.apache.org%3Emailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/re0cacd3fb337cdf8469853913ed2b4ddd8f8bfc52ff0ddbe61c1dfba%40%3Ccommits.ofbiz.apache.org%3Emailing-listx_refsource_MLIST
https://nvd.nist.gov/vuln/detail/CVE-2021-31812

IV. Related Vulnerabilities

Same product: Apache PDFBox

Same vendor: Apache Software Foundation

Same weakness: CWE-834

V. Comments for CVE-2021-31812

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I. Basic Information for CVE-2021-31812

Vulnerability Information

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Affected Products

II. Public POCs for CVE-2021-31812

III. Intelligence Information for CVE-2021-31812

IV. Related Vulnerabilities

V. Comments for CVE-2021-31812

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