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CVE-2009-2195

45
FAUCET Score

CVE-2009-2195 describes a critical buffer overflow vulnerability in Apple WebKit, affecting Safari browsers on macOS and Windows, as well as other applications utilizing WebKit. This flaw allows remote attackers to execute arbitrary code or trigger a denial of service by crafting malicious floating-point numbers. With a CVSS score of 9.3 (critical) and an FAUCET Risk Score of 97/100, it poses a significant threat due to its network-based attack vector and high impact on confidentiality, integrity, and availability. While not listed in CISA's KEV catalog, exploit code is publicly available via ExploitDB, indicating a potential for exploitation, though there is no evidence of active widespread exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.0.2CPE matchmatch criteria
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
0.8CPE matchmatch criteria
cpe:2.3:a:apple:safari:0.8:*:*:*:*:*:*:*
0.9CPE matchmatch criteria
cpe:2.3:a:apple:safari:0.9:*:*:*:*:*:*:*
1.0CPE matchmatch criteria
cpe:2.3:a:apple:safari:1.0:*:*:*:*:*:*:*
1.0CPE matchmatch criteria
cpe:2.3:a:apple:safari:1.0:beta:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

AV:N/AC:M/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
13.29%
Probability of exploitation in next 30 days
EPSS Percentile
96.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
ExploitDB: EDB-33164 · Aug 11, 2009
This CVE's current EPSS score of 0.1329 is in the 79th percentile among its peer group of 8,920 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

applepatch availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2009-2195Critical

WebKit: buffer overflow in floating point numbers parsing

Aug 11, 2009

References

lists.apple.com / archives/security-announce/2009/Aug/msg00002.html
PatchVendor Advisory
lists.apple.com / archives/security-announce/2010/Jun/msg00003.html
lists.opensuse.org / opensuse-security-announce/2011-01/msg00006.html
secunia.com / advisories/43068
support.apple.com / kb/HT3733
PatchVendor Advisory
support.apple.com / kb/HT4225
securityfocus.com / bid/36023
Patch
securitytracker.com / id
vupen.com / english/advisories/2011/0212