Vulnerability Description
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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Proxygen | < 2019.07.22.00 |
Related Weaknesses (CWE)
References
- https://github.com/facebook/proxygen/commit/2f07985bef9fbae124cc63e5c0272e32da4fPatchThird Party Advisory
- https://www.facebook.com/security/advisories/cve-2019-11921Third Party Advisory
- https://github.com/facebook/proxygen/commit/2f07985bef9fbae124cc63e5c0272e32da4fPatchThird Party Advisory
- https://www.facebook.com/security/advisories/cve-2019-11921Third Party Advisory
FAQ
What is CVE-2019-11921?
CVE-2019-11921 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 Head...
How severe is CVE-2019-11921?
CVE-2019-11921 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2019-11921?
Check the references section above for vendor advisories and patch information. Affected products include: Facebook Proxygen.