CVE-2011-2335 - Double Free

Severity

75%

Complexity

39%

Confidentiality

60%

A double-free vulnerability exists in WebKit in Google Chrome before Blink M12 in the WebCore::CSSSelector function.

A double-free vulnerability exists in WebKit in Google Chrome before Blink M12 in the WebCore::CSSSelector function.

CVSS 3.1 Base Score 7.5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

CVSS 2.0 Base Score 5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P).

Demo Examples

Double Free

CWE-415

Double Free

CWE-415

While contrived, this code should be exploitable on Linux distributions which do not ship with heap-chunk check summing turned on.


               
}
free(buf1R2);

Overview

First reported 5 years ago

2019-11-12 20:15:00

Last updated 5 years ago

2019-11-14 19:46:00

Affected Software

Google Blink for Chromium

chromium

References

https://bugs.chromium.org/p/chromium/issues/detail?id=81351

Exploit, Mailing List, Vendor Advisory

https://trac.webkit.org/changeset/80155/webkit

Mailing List, Patch, Vendor Advisory

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