Foxit PDF Reader 12.1.2.15332 PDF Document use after free

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Foxit PDF Reader 12.1.2.15332. Affected by this vulnerability is an unknown functionality of the component PDF Document Handler. This manipulation causes use after free. This vulnerability is registered as CVE-2023-33866. Remote exploitation of the attack is possible. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Foxit PDF Reader 12.1.2.15332 (Document Reader Software). It has been declared as critical. Affected by this vulnerability is an unknown code of the component PDF Document Handler. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A use-after-free vulnerability exists in the JavaScript engine of Foxit Software’s PDF Reader, version 12.1.2.15332. By prematurely deleting objects associated with pages, a specially crafted PDF document can trigger the reuse of previously freed memory, which can lead to 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.

The weakness was published 07/19/2023 as TALOS-2023-1757. It is possible to read the advisory at talosintelligence.com. This vulnerability is known as CVE-2023-33866 since 06/02/2023. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability.

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Productinfo

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Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector (Talos): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/02/2023 🔍
07/19/2023 +47 days 🔍
07/19/2023 +0 days 🔍
11/06/2025 +841 days 🔍

Sourcesinfo

Vendor: foxitsoftware.com

Advisory: TALOS-2023-1757
Status: Confirmed

CVE: CVE-2023-33866 (🔍)
GCVE (CVE): GCVE-0-2023-33866
GCVE (VulDB): GCVE-100-235015

Entryinfo

Created: 07/19/2023 17:27
Updated: 11/06/2025 08:46
Changes: 07/19/2023 17:27 (48), 08/15/2023 07:40 (1), 02/28/2025 17:42 (1), 02/28/2025 17:46 (20), 11/06/2025 08:46 (12)
Complete: 🔍
Committer: lywand
Cache ID: 216::103

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