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CVE-2019-11921

Good to know:

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Date: July 25, 2019

An out of bounds write is possible via a specially crafted packet in certain configurations of Proxygen due to improper handling of Base64 when parsing malformed binary content in Structured HTTP Headers. This issue affects versions of proxygen prior to v2019.07.22.00.

Language: C++

Severity Score

Related Resources (4)

https://github.com/facebook/proxygen/commit/2f07985bef9fbae124cc63e5c0272e32da4fdaec
https://nvd.nist.gov/vuln/detail/CVE-2019-11921
https://www.facebook.com/security/advisories/cve-2019-11921
https://www.mend.io/vulnerability-database/CVE-2019-11921

Severity Score

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

Top Fix

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Upgrade Version

Upgrade to version v2019.07.22.00

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CVSS v3

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

CVSS v2

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

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