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CVE-2016-4491

Good to know:

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Date: February 24, 2017

The d_print_comp function in cp-demangle.c in libiberty allows remote attackers to cause a denial of service (segmentation fault and crash) via a crafted binary, which triggers infinite recursion and a buffer overflow, related to a node having "itself as ancestor more than once."

Language: C

Severity Score

Related Resources (9)

https://people.canonical.com/~ubuntu-security/cve/CVE-2016-4491
https://access.redhat.com/security/cve/CVE-2016-4491
https://security-tracker.debian.org/tracker/CVE-2016-4491
https://gcc.gnu.org/ml/gcc-patches/2016-05/msg00105.html
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70909
https://nvd.nist.gov/vuln/detail/CVE-2016-4491
http://www.openwall.com/lists/oss-security/2016/05/05/5
http://www.securityfocus.com/bid/90016
https://www.mend.io/vulnerability-database/CVE-2016-4491

Severity Score

Weakness Type (CWE)

Buffer Errors

CWE-119

Top Fix

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CVSS v3.1

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

CVSS v2

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

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