CVE-2009-2121

Status: ModifiedHigh (9.3)—
Severity9.3High · CVSS 2.0
Exploitation probability2.23 %higher than 83% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitNot knownno public code found

Buffer overflow in the browser kernel in Google Chrome before 2.0.172.33 allows remote HTTP servers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted response.

CVSS

Base score
9.3
Version
2.0
Vector
AV:N/AC:M/Au:N/C:C/I:C/A:C

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days
2.23 %
Percentile among all scored CVEs
83
Score date
10/23/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

CWEs

References

Show 16 references

Raw JSON (NVD)

Show
{
  "id": "CVE-2009-2121",
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          "authentication": "NONE",
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