CVE-2011-1803

An issue exists in third_party/WebKit/Source/WebCore/svg/animation/SVGSMILElement.h in WebKit in Google Chrome before Blink M11 and M12 when trying to access a removed smil element.

Published: 2019-11-12 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-1803 is rated Low Risk (37.3/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.17%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

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-2011-1803

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 0.10% 0.17% +0.07%
2 2023-03-07 0.89% 0.10% -0.78%
3 2022-02-04 — 0.89% —

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-1803

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-2011-1803

OS Trackers for CVE-2011-1803

vendor priority summary link
ubuntu medium CVE-2011-1803 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-2011-1803

Affected software / configurations for CVE-2011-1803

Vendor Product Version Raw CPE
google blink < m11 cpe:2.3:a:google:blink:*:*:*:*:*:chromium:*:*

References for CVE-2011-1803

cvelogic Threat Intelligence