CVE-2016-9969 - Double Free

Severity

51%

Complexity

49%

Confidentiality

106%

In libwebp 0.5.1, there is a double free bug in libwebpmux.

In libwebp 0.5.1, there is a double free bug in libwebpmux.

CVSS 3.0 Base Score 7.5. CVSS Attack Vector: network. CVSS Attack Complexity: high. CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H).

CVSS 2.0 Base Score 5.1. CVSS Attack Vector: network. CVSS Attack Complexity: high. CVSS Vector: (AV:N/AC:H/Au:N/C:P/I:P/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

2019-05-23 18:29:00

Last updated 5 years ago

2019-05-28 15:43:00

Affected Software

Webmproject libwebp 0.5.1

0.5.1

References

https://bugs.chromium.org/p/webp/issues/detail?id=322

Exploit, Issue Tracking, Third Party Advisory

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