CVE-2010-1939

Safari vulnerability

CVSS

7.6

EPSS

14.7%

EPSS pct

96th

Exploited

No known

Use-after-free vulnerability in Apple Safari 4.0.5 on Windows allows remote attackers to execute arbitrary code by using window.open to create a popup window for a crafted HTML document, and then calling the parent window's close method, which triggers improper handling of a deleted window object.

Affected vendor

Apple

Affected product

Safari

CVSS vector

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

Weakness type (CWE)

CWE-399

Published

2010-05-13

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, high attack complexity, requiring no authentication. Successful exploitation leads to complete impact to confidentiality, complete impact to integrity, complete impact to availability.

Its EPSS score of 14.7% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2010-1939

Confirm whether Apple Safari is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2010-1939.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2010-1939

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2010-1939 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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