Security readout for executives and security teams
Plain-English summary
CVE-2022-34875 is a Foxit PDF Reader information disclosure flaw affecting version 11.2.1.53537. A victim must open a malicious file or visit a malicious page. The bug can expose limited memory data. Sources say it could support code execution only when chained with other vulnerabilities.
Executive priority
Treat this as a low-severity desktop exposure issue, not an emergency. Address it through normal endpoint patching, with higher priority for teams handling external PDFs or sensitive documents.
Technical view
The flaw is CWE-125, an out-of-bounds read in ADBC object handling. JavaScript actions can trigger a read past the allocated object boundary. CVSS 3.0 is 3.3 with required user interaction and low confidentiality impact. No integrity or availability impact is stated.
Likely exposure
Likely exposure is user workstations running Foxit PDF Reader 11.2.1.53537, especially users who receive external PDFs or links. The source bundle names only this Foxit PDF Reader version, so broader product exposure is not established.
Exploitation context
The provided sources do not show active exploitation, and KEV status is false. Exploitation requires user interaction. The disclosed impact is limited information disclosure, with potential code execution only if an attacker combines it with other vulnerabilities.
Researcher notes
Evidence supports a user-assisted out-of-bounds read in ADBC object handling. The record indicates possible chaining for code execution, but does not identify a complete standalone RCE path, public exploit activity, or a specific fixed version in the provided bundle.
Mitigation direction
- Check Foxit security bulletin guidance for the corrected release or vendor-approved mitigation.
- Prioritize updating Foxit PDF Reader 11.2.1.53537 on user endpoints.
- Limit opening untrusted PDFs and links until affected endpoints are updated.
- Use endpoint controls to reduce JavaScript risk in PDF workflows where feasible.
Validation and detection
- Inventory endpoints for Foxit PDF Reader version 11.2.1.53537.
- Confirm patched or remediated status against Foxit’s security bulletin.
- Review email and web controls for handling untrusted PDF attachments and links.
- Check vulnerability scanners for CVE-2022-34875 detection coverage.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-125: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2022-34875 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Low
- CVSS
- 3.3 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N1.81.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
3.3LowVector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.foxit.com/support/security-bulletins.htmlCVE reference · x_refsource_MISC
- https://www.zerodayinitiative.com/advisories/ZDI-22-950/CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Out-of-bounds Read
Out-of-bounds Read represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.