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» CVE-2011-1802
WebKit in Google Chrome before Blink M11 and M12 does not properly handle counter nodes, which allows remote attackers to cause a denial of service (memory corruption).
NVD Status: Modified ,CVE State: published
Threat Intelligence & Risk Assessment for CVE-2011-1802
Conclusion & alert: CVE-2011-1802 is rated Moderate Risk (47.1/100) : CVSS Medium severity, with medium exploitation likelihood (EPSS 0.49%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
Exploit prediction scoring system (EPSS) score for CVE-2011-1802
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
#
Date
Old EPSS score
New EPSS score
Delta (New - Old)
1
2025-03-23
0.29%
0.49%
+0.20%
2
2025-03-17
0.13%
0.29%
+0.16%
3
2023-11-08
—
0.13%
—
Full EPSS history
(5 records total)
Common vulnerability scoring system (CVSS) metrics for CVE-2011-1802
CVSS metrics for this CVE.
Base score
Version
Severity
Vector
Exploitability
Impact
Score source
6.5
3.1
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/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:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
2.8
3.6
[email protected]
4.3
2.0
MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/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:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
8.6
2.9
[email protected]
Weakness enumeration for CVE-2011-1802
OS Trackers for CVE-2011-1802
vendor
priority
summary
link
ubuntu
medium
CVE-2011-1802 medium priority: Ubuntu including 5 source packages (qtwebkit, qtwebkit-opensource-src, qtwebkit-source, webkit2gtk, webkitgtk), 30 status rows across 6 suites (bionic, disco, eoan, trusty, upstream, xenial): not-affected 14, DNE 11, needs-triage 5.
https://ubuntu.com/security/CVE-2011-1802
Affected software / configurations for CVE-2011-1802
Vendor
Product
Version
Raw CPE
google
blink
< m11
cpe:2.3:a:google:blink:*:*:*:*:*:chromium:*:*
References for CVE-2011-1802
cvelogic
Threat Intelligence