CVE-2009-2191

highpriority · track · 31EPSS 0.042 · 91 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

4.17% (91st) EPSS

CVSS 7.5 · high

Is it mine?

9 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-28

Format string vulnerability in Login Window in Apple Mac OS X 10.4.11 and 10.5 before 10.5.8 allows attackers to execute arbitrary code or cause a denial of service (application crash) via format string specifiers in an application name.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.4–7.5

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v2.06.4mediumAV:N/AC:L/Au:N/C:P/I:P/A:P/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-134USprimary

affected products (9)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
apple mac os x= 10.4.11nvdUScpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
apple mac os x= 10.5nvdUScpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
apple mac os x= 10.5.6nvdUScpe:2.3:a:apple:mac_os_x:*:*:*:*:*:*:*:*
apple mac os x= 10.5.7nvdUScpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
apple mac os x server= 10.4.11nvdUScpe:2.3:o:apple:mac_os_x_server:*:*:*:*:*:*:*:*
apple mac os x server= 10.5.5nvdUScpe:2.3:o:apple:mac_os_x_server:*:*:*:*:*:*:*:*
apple mac os x server= 10.5.6nvdUScpe:2.3:o:apple:mac_os_x_server:*:*:*:*:*:*:*:*
apple mac os x server= 10.5.7nvdUScpe:2.3:o:apple:mac_os_x_server:*:*:*:*:*:*:*:*

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd NVD CVE.org MITRE

published 2009-08-06modified 2026-06-16

related (781)

Related entries.

ID	severity	EPSS	exploitable	published
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A use of externally-controlled format string in Fortinet FortiOS versions 7.4.0 through 7.4.2, 7.2.0 through 7.2.6, 7.0.0 through 7.0.13, FortiProxy versions 7.4.0 through 7.4.2, 7…
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Assuming radio permission is gained, missing input validation in modem interface driver prior to SMR Oct-2021 Release 1 results in format string bug leading to kernel panic.
CVE-2020-3118US	high8.8OT critical	11.7% (96th)	KEV	2020-02-05
A vulnerability in the Cisco Discovery Protocol implementation for Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to execute arbitrary code or cause a relo…
CVE-2019-1579US	high8.1OT critical	44.2% (99th)	KEV	2019-07-19
Remote Code Execution in PAN-OS 7.1.18 and earlier, PAN-OS 8.0.11-h1 and earlier, and PAN-OS 8.1.2 and earlier with GlobalProtect Portal or GlobalProtect Gateway Interface enabled…
CVE-2018-0175US	high8.0OT critical	3.48% (89th)	KEV	2018-03-28
Format String vulnerability in the Link Layer Discovery Protocol (LLDP) subsystem of Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software could allow an unauthentic…

+776 more

references (16)

External citations — patches, advisories, analysis.

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