Import Source
https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-13284.json
JSON Data
https://api.test.osv.dev/v1/vulns/AZL-13284
Upstream
Published
2023-02-09T20:15:10Z
Modified
2026-04-01T05:08:34.962339Z
Severity
  • 5.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
CVE-2022-43552 affecting package curl for versions less than 7.86.0-3
Details

A use after free vulnerability exists in curl <7.87.0. Curl can be asked to tunnel virtually all protocols it supports through an HTTP proxy. HTTP proxies can (and often do) deny such tunnel operations. When getting denied to tunnel the specific protocols SMB or TELNET, curl would use a heap-allocated struct after it had been freed, in its transfer shutdown code path.

References

Affected packages

Azure Linux:2 / curl

Package

Name
curl
Purl
pkg:rpm/azure-linux/curl

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
7.86.0-3

Database specific

source
"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-13284.json"