CVE-2025-66497 [Medium] | Out-of-bounds Read in Pdf Editor

A memory corruption vulnerability exists in the 3D annotation handling of Foxit PDF Reader due to insufficient bounds checking when parsing PRC data. When opening a PDF file containing malformed or specially crafted PRC content, out-of-bounds memory access may occur, resulting in memory corruption.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2025-12-19	—	0.01%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2025-12-19

—

0.01%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
5.3	3.1	MEDIUM	`CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L` Click to expand Attack vector (AV:L) They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by. Attack complexity (AC:L) Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup. Privileges required (PR:N) No account or special rights needed—anonymous or random user is enough. User interaction (UI:R) A real person has to do something—click, install, enable—otherwise it doesn’t land. Scope (S:U) Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems. Confidentiality (C:L) Some sensitive info could get out, but not a total data dump. Integrity (I:L) Attackers could change some data, but it’s limited—not everything goes. Availability (A:L) Might cause slowdowns, glitches, or partial disruption—not a full brick.	1.8	3.4	14984358-7092-470d-8f34-ade47a7658a2
7.8	3.1	HIGH	`CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H` Click to expand Attack vector (AV:L) They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by. Attack complexity (AC:L) Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup. Privileges required (PR:N) No account or special rights needed—anonymous or random user is enough. User interaction (UI:R) A real person has to do something—click, install, enable—otherwise it doesn’t land. Scope (S:U) Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems. Confidentiality (C:H) Serious risk that confidential data gets exposed in a big way. Integrity (I:H) They could widely tamper with or forge data—trust in the data is badly hurt. Availability (A:H) Could take the service down hard or make it unusable for people who depend on it.	1.8	5.9	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

5.3

3.1

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L Click to expand

Attack vector (AV:L): They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L): Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N): No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R): A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U): Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L): Some sensitive info could get out, but not a total data dump.
Integrity (I:L): Attackers could change some data, but it’s limited—not everything goes.
Availability (A:L): Might cause slowdowns, glitches, or partial disruption—not a full brick.

1.8

3.4

14984358-7092-470d-8f34-ade47a7658a2

7.8

3.1

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Click to expand

Attack vector (AV:L): They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L): Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N): No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R): A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U): Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H): Serious risk that confidential data gets exposed in a big way.
Integrity (I:H): They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H): Could take the service down hard or make it unusable for people who depend on it.

1.8

5.9

[email protected]

Affected software / configurations for CVE-2025-66497

Vendor	Product	Version	Raw CPE
foxit	pdf_editor	<= 13.2.1.23955	cpe:2.3:a:foxit:pdf_editor::::::::
foxit	pdf_editor	>= 14.0.0.33046, <= 14.0.1.33197	cpe:2.3:a:foxit:pdf_editor::::::::
foxit	pdf_editor	>= 2023.1.0.15510, <= 2023.3.0.23028	cpe:2.3:a:foxit:pdf_editor::::::::
foxit	pdf_editor	>= 2024.1.0.23997, <= 2024.4.1.27687	cpe:2.3:a:foxit:pdf_editor::::::::
foxit	pdf_editor	>= 2025.1.0.27937, <= 2025.2.1.33197	cpe:2.3:a:foxit:pdf_editor::::::::
foxit	pdf_reader	<= 2025.2.1.33197	cpe:2.3:a:foxit:pdf_reader::::::::
foxit	pdf_editor	<= 13.2.1.63315	cpe:2.3:a:foxit:pdf_editor::::::::
foxit	pdf_editor	>= 14.0.0.33046, <= 14.0.1.69005	cpe:2.3:a:foxit:pdf_editor::::::::
foxit	pdf_editor	>= 2023.1.0.15510, <= 2023.3.0.63083	cpe:2.3:a:foxit:pdf_editor::::::::
foxit	pdf_editor	>= 2024.1.0.23997, <= 2024.4.1.66479	cpe:2.3:a:foxit:pdf_editor::::::::
foxit	pdf_editor	>= 2025.1.0.27937, <= 2025.2.1.69005	cpe:2.3:a:foxit:pdf_editor::::::::
foxit	pdf_reader	<= 2025.2.1.69005	cpe:2.3:a:foxit:pdf_reader::::::::

References for CVE-2025-66497

URL	Tags
https://www.foxit.com/support/security-bulletins.html	Vendor Advisory

URL

CVE-2025-66497 | Foxit PDF Reader 3D Annotation Out-of-Bounds Memory Access Vulnerability

Exploit prediction scoring system (EPSS) score for CVE-2025-66497

Common vulnerability scoring system (CVSS) metrics for CVE-2025-66497

Weakness enumeration for CVE-2025-66497

Affected software / configurations for CVE-2025-66497

References for CVE-2025-66497