TI-2023-16748 Aliases CVE-2023-33876 GHSA-8pc7-j27m-5m6c

Use after free in Foxit Reader

HIGH 73CWE-416Published 2023-07-19 · Updated 2025-11-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-416 and the CVSS impact.

Summary

A use-after-free vulnerability exists in the way Foxit Reader 12.1.2.15332 handles destroying annotations. Specially crafted Javascript code inside a malicious PDF document can trigger reuse of a previously freed object, which can lead to memory corruption and result in arbitrary code execution. An attacker needs to trick the user into opening the malicious file to trigger this vulnerability. Exploitation is also possible if a user visits a specially crafted, malicious site if the browser plugin extension is enabled.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00956 61st percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Foxit	Foxit Reader	12.1.2.15332	—	No fix listed	CNA

Foxit Reader VendorFoxit Affected 12.1.2.15332 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:foxit:pdf_reader:12.1.2.15332:::::::*	12.1.2.15332	Vulnerable	Foxit

cpe:2.3:a:foxit:pdf_reader:12.1.2.15332:*:*:*:*:*:*:* Versions 12.1.2.15332 Vulnerable ·Foxit

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-33876
2026-10-03 Alias added: GHSA-8pc7-j27m-5m6c

References

Exploit 1

https://talosintelligence.com/vulnerability_reports/TALOS-2023-1796

TI-2021-13823 Use after free in Foxit PDF Reader CVSS 3.1HIGH 7.8
TI-2025-23518 A memory corruption vulnerability exists in Foxit Reader 2025.1.0.27937 due to the use of… CVSS 3.1HIGH 8.8
TI-2024-33074 Use after free in Foxit Reader CVSS 3.1HIGH 8.8
TI-2024-32078 Use after free in Foxit Reader CVSS 3.1HIGH 8.8
TI-2024-19083 Use after free in Foxit Reader CVSS 3.1HIGH 8.8
TI-2024-17038 Use after free in Foxit Reader CVSS 3.1HIGH 8.8

See all 372 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences