A use-after-free is possible due to an error in lifetime management in the request adaptor when a malicious client invokes request error handling in a specific sequence. This issue affects versions of proxygen prior to v2020.05.18.00.
{
"source": "CPE_RANGE",
"cpe": "cpe:2.3:a:facebook:proxygen:*:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "2020.05.18.00"
}
]
}"2026-07-08T19:01:42Z"
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-1897.json"
[
{
"id": "CVE-2020-1897-744f3529",
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"threshold": 0.9
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"signature_version": "v1",
"signature_type": "Line",
"source": "https://github.com/facebook/proxygen/commit/c767d0cb3e2ba6dd6e78a3b6e4c84e633183ced1",
"deprecated": false,
"target": {
"file": "proxygen/lib/statistics/PeriodicStats.h"
}
},
{
"id": "CVE-2020-1897-fb777b17",
"digest": {
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"source": "https://github.com/facebook/proxygen/commit/c767d0cb3e2ba6dd6e78a3b6e4c84e633183ced1",
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}
}
]