CVE-2019-9656 [High] | Security Vulnerability in Libofx

CVE-2019-9656 is rated High Exploit Risk (79.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.14%). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.44% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

EDB-ID	Source	Kind	Published	Link
—	nvd_ref	exploit_tag		Exploit-DB ↗

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#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-15	0.70%	2.14%	+1.44%
2	2026-05-29	0.89%	0.70%	-0.19%
3	2026-05-26	—	0.89%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-15

0.70%

2.14%

+1.44%

2026-05-29

0.89%

0.70%

-0.19%

2026-05-26

—

0.89%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
8.8	3.1	HIGH	`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H` Click to expand Attack vector (AV:N) Could be attacked over the internet or any normal routed network—not just someone sitting at the machine. 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.	2.8	5.9	[email protected]
6.8	2.0	MEDIUM	`AV:N/AC:M/Au:N/C:P/I:P/A:P` Click to expand Access vector (AV:N) Can be exploited remotely over network reachability. Access complexity (AC:M) Exploitation needs some favorable conditions, but not exceptional ones. Authentication (AU:N) No authentication is required. Confidentiality impact (C:P) Partial confidentiality impact. Integrity impact (I:P) Partial integrity impact. Availability impact (A:P) Partial availability impact.	8.6	6.4	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

8.8

3.1

HIGH

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

Attack vector (AV:N): Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
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.

2.8

5.9

[email protected]

6.8

2.0

MEDIUM

AV:N/AC:M/Au:N/C:P/I:P/A:P Click to expand

Access vector (AV:N): Can be exploited remotely over network reachability.
Access complexity (AC:M): Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N): No authentication is required.
Confidentiality impact (C:P): Partial confidentiality impact.
Integrity impact (I:P): Partial integrity impact.
Availability impact (A:P): Partial availability impact.

8.6

6.4

[email protected]

OS Trackers for CVE-2019-9656

vendor	priority	summary	link
`debian`	unimportant	CVE-2019-9656 unimportant priority: Debian including 1 source packages (libofx), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5.	https://security-tracker.debian.org/tracker/CVE-2019-9656
`suse`	medium	CVE-2019-9656 severity moderate: SUSE including 3 source package names (libofx-0.9.9-3.10.1, libofx-devel-0.9.9-3.10.1, libofx6-0.9.9-3.10.1), 4 product×package rows across 2 product lines (SUSE Linux Enterprise Software Development Kit 12 SP5, SUSE Linux Enterprise Workstation Extension 12 SP5): Fixed 4.	https://www.suse.com/security/cve/CVE-2019-9656/
`ubuntu`	negligible	CVE-2019-9656 negligible priority: Ubuntu including 1 source packages (libofx), 19 status rows across 19 suites (bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): not-affected 12, ignored 3, released 2, DNE 1, needed 1.	https://ubuntu.com/security/CVE-2019-9656

Affected software / configurations for CVE-2019-9656

Vendor	Product	Version	Raw CPE
libofx_project	libofx	0.9.14	cpe:2.3:a:libofx_project:libofx:0.9.14:::::::*
debian	debian_linux	8.0	cpe:2.3:o:debian:debian_linux:8.0:::::::*
canonical	ubuntu_linux	16.04	cpe:2.3:o:canonical:ubuntu_linux:16.04::::esm:::

References for CVE-2019-9656

URL	Tags
https://github.com/TeamSeri0us/pocs/tree/master/libofx	Exploit Third Party Advisory
https://github.com/libofx/libofx/issues/22	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/11/msg00021.html	Mailing List Third Party Advisory
https://usn.ubuntu.com/4523-1/	Third Party Advisory

URL

CVE-2019-9656

Public exploit references (Exploit-DB) for CVE-2019-9656

Exploit prediction scoring system (EPSS) score for CVE-2019-9656

Common vulnerability scoring system (CVSS) metrics for CVE-2019-9656

Weakness enumeration for CVE-2019-9656

OS Trackers for CVE-2019-9656

Affected software / configurations for CVE-2019-9656

References for CVE-2019-9656