CVE-2019-11940
Critical
Description
In the course of decompressing HPACK inside the HTTP2 protocol, an unexpected sequence of header table resize operations can place the header table into a corrupted state, leading to a use-after-free condition and undefined behavior. This issue affects Proxygen from v0.29.0 until v2017.04.03.00.
SeverityCritical
CVSS9.8
Exploit probability—
ProductFacebook Proxygen
PublishedDec 4, 2019
First seenDec 4, 2019
Weakness typeCWE-416Use after free
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| facebook proxygen | 0.29.0 ≤ v ≤ 2017.04.03.00 | — |
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