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VulnerabilityPublished

CVE-2024-8823: PDF-XChange Editor · Out-of-bounds Read

Affects PDF-XChange EditorSource CVE Database V5

0

Not known to be exploited · CVSS 3.3 Low.

Data as of 26 Oct 2026, 12:29 UTC

CVSS 3.0 base score
3.3Low
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 27% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 22 Nov 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
PDF-XChange PDF-XChange EditorAffected
  • =10.3.0.386
Fixed in–

AI-suggested

Organizations should implement the following specific mitigation steps: 1) Monitor PDF-XChange Editor vendor communications closely and apply security patches promptly once released for version 10.3.0.386 or affected versions. 2) Employ application whitelisting and sandboxing techniques to limit the privileges and impact of PDF-XChange Editor processes. 3) Educate users about the risks of opening PDF files from untrusted or unknown sources, emphasizing caution with email attachments and downloads. 4) Use network-level protections such as email filtering and web content scanning to detect and block malicious PDF files before reaching end users. 5) Consider deploying endpoint detection and response (EDR) solutions capable of identifying anomalous behavior related to PDF parsing or exploitation attempts. 6) Where feasible, restrict or monitor the use of PDF-XChange Editor in high-risk environments and evaluate alternative PDF readers with a stronger security track record. 7) Conduct regular security assessments and penetration tests focusing on document handling workflows to identify and remediate potential attack vectors. These measures go beyond generic advice by focusing on proactive detection, user awareness, and containment strategies tailored to this vulnerability's characteristics.

Description

PDF-XChange Editor JB2 File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of PDF-XChange Editor. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of JB2 files. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated object. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-24261.

References

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