QID 354789

Date Published: 2023-03-08

QID 354789: Amazon Linux Security Advisory for curl : ALAS2-2023-1986

A flaw was found in the curl package, where the hsts mechanism would be ignored by subsequent transfers when done on the same command line because the state would not be properly carried.
This issue may result in limited confidentiality and integrity. (
( CVE-2023-23914) a flaw was found in the curl package, where the hsts mechanism could fail when multiple transfers are done in parallel, as the hsts cache file gets overwritten by the most recently completed transfer.
( CVE-2023-23915) curl: http multi-header compression denial of service (cve-2023-23916)



Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Successful exploitation of this vulnerability could lead to a securitybreach or could affect integrity, availability, and confidentiality.

  • CVSS V3 rated as Critical - 9.1 severity.
  • CVSS V2 rated as Medium - 5.4 severity.
  • Solution
    Please refer to Amazon advisory: ALAS2-2023-1986 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 354789

    Software Advisories
    Advisory ID Software Component Link
    ALAS2-2023-1986 amazon linux 2 URL Logo alas.aws.amazon.com/AL2/ALAS-2023-1986.html