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CVE-2020-14150

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Date: June 15, 2020

GNU Bison before 3.5.4 allows attackers to cause a denial of service (application crash). NOTE: there is a risk only if Bison is used with untrusted input, and an observed bug happens to cause unsafe behavior with a specific compiler/architecture. The bug reports were intended to show that a crash may occur in Bison itself, not that a crash may occur in code that is generated by Bison.

Language: C

Severity Score

Related Resources (7)

https://bugs.gentoo.org/717936
https://nvd.nist.gov/vuln/detail/CVE-2020-14150
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-14150
https://security-tracker.debian.org/tracker/CVE-2020-14150
https://lists.gnu.org/archive/html/info-gnu/2020-04/msg00000.html
https://access.redhat.com/security/cve/CVE-2020-14150
https://www.mend.io/vulnerability-database/CVE-2020-14150

Severity Score

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

Top Fix

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Upgrade to version bison - 3.7.1;bison - 3.6.3

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CVSS v3.1

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

CVSS v2

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

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