CVE-2026-80231

Public on 2026-09-04

Modified on 2026-09-04

Description

A flaw in libcurl makes it wrongly reuse an existing HTTPS connection setup for a given hostname even when using a different Native CA Store setting (CURLSSLOPT_NATIVE_CA) than when the connection was created.

Severity

Medium

See what this means

CVSS v3 Base Score

4.8

See breakdown

Affected Packages

Platform	Package	Status
Amazon Linux 2 - Core	curl	Not Affected
Amazon Linux 2023	curl	Not Affected
Amazon Linux 2027 Preview	curl	Not Affected

CVSS Scores

	Score Type	Score	Vector
Amazon Linux	CVSSv3	4.8	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

References

FAQs regarding Amazon Linux ALAS/CVE Severity Red Hat: CVE-2026-80231 Mitre: CVE-2026-80231