Unrated
HTTP/2 upload Use-After-Free
During an upload, curl mishandles HTTP/2 `RST_STREAM` received from the server (with reason `HTTP_1_1_REQUIRED` or `REFUSED_STREAM`) leading to a use after free of a `struct Curl_easy` object.
Announced Source revision 1
Original source ↗CVE-2026-92392
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-92392
curl
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "curl",
"product": "curl",
"versions": [
{
"status": "affected",
"version": "8.22.0",
"versionType": "semver",
"lessThanOrEqual": "8.22.0"
},
{
"status": "affected",
"version": "8.21.0",
"versionType": "semver",
"lessThanOrEqual": "8.21.0"
},
{
"status": "affected",
"version": "8.20.0",
"versionType": "semver",
"lessThanOrEqual": "8.20.0"
},
{
"status": "affected",
"version": "8.19.0",
"versionType": "semver",
"lessThanOrEqual": "8.19.0"
},
{
"status": "affected",
"version": "8.18.0",
"versionType": "semver",
"lessThanOrEqual": "8.18.0"
},
{
"status": "affected",
"version": "8.17.0",
"versionType": "semver",
"lessThanOrEqual": "8.17.0"
},
{
"status": "affected",
"version": "8.16.0",
"versionType": "semver",
"lessThanOrEqual": "8.16.0"
},
{
"status": "affected",
"version": "8.15.0",
"versionType": "semver",
"lessThanOrEqual": "8.15.0"
},
{
"status": "affected",
"version": "8.14.1",
"versionType": "semver",
"lessThanOrEqual": "8.14.1"
},
{
"status": "affected",
"version": "8.14.0",
"versionType": "semver",
"lessThanOrEqual": "8.14.0"
},
{
"status": "affected",
"version": "8.13.0",
"versionType": "semver",
"lessThanOrEqual": "8.13.0"
},
{
"status": "affected",
"version": "8.12.1",
"versionType": "semver",
"lessThanOrEqual": "8.12.1"
},
{
"status": "affected",
"version": "8.12.0",
"versionType": "semver",
"lessThanOrEqual": "8.12.0"
}
],
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-92392
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #42637 · Revision 1
- Added to Heist Feed
- Publisher date