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CVE-2016-6354

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Date: September 21, 2016

Heap-based buffer overflow in the yy_get_next_buffer function in Flex before 2.6.1 might allow context-dependent attackers to cause a denial of service or possibly execute arbitrary code via vectors involving num_to_read.

Language: C

Severity Score

Related Resources (10)

http://www.openwall.com/lists/oss-security/2016/07/26/12
https://people.canonical.com/~ubuntu-security/cve/CVE-2016-6354
https://github.com/westes/flex/commit/a5cbe929ac3255d371e698f62dc256afe7006466
https://security.gentoo.org/glsa/201701-31
http://www.openwall.com/lists/oss-security/2016/07/18/8
https://nvd.nist.gov/vuln/detail/CVE-2016-6354
https://access.redhat.com/security/cve/CVE-2016-6354
https://security-tracker.debian.org/tracker/CVE-2016-6354
http://www.debian.org/security/2016/dsa-3653
https://www.mend.io/vulnerability-database/CVE-2016-6354

Severity Score

Weakness Type (CWE)

Buffer Errors

CWE-119

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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