CVE-2019-11921

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
facebookCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 69%
VendorProductVersion
facebookproxygen
𝑥
< 2019.07.22.00
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/facebook/proxygen/commit/2f07985bef9fbae124cc63e5c0272e32da4fdaec
https://www.facebook.com/security/advisories/cve-2019-11921
https://github.com/facebook/proxygen/commit/2f07985bef9fbae124cc63e5c0272e32da4fdaec
https://www.facebook.com/security/advisories/cve-2019-11921