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OpenAdvisories
Medium ALAS2023-2026-1699 1 CVE

Moderate: curl security update (Amazon Linux 2023)

Published May 11, 2026 · Updated May 15, 2026

Ecosystem: Amazon Linux

Summary

Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities: CVE-2026-3805: When doing a second SMB request to the same host again, curl would wrongly use a data pointer pointing into already freed memory.

Fixed packages 10

ReleasePackageFixed in
Amazon Linux · 2023 curl 0:8.17.0-1.amzn2023.0.3
Amazon Linux · 2023 curl-debuginfo 0:8.17.0-1.amzn2023.0.3
Amazon Linux · 2023 curl-debugsource 0:8.17.0-1.amzn2023.0.3
Amazon Linux · 2023 curl-minimal 0:8.17.0-1.amzn2023.0.3
Amazon Linux · 2023 curl-minimal-debuginfo 0:8.17.0-1.amzn2023.0.3
Amazon Linux · 2023 libcurl 0:8.17.0-1.amzn2023.0.3
Amazon Linux · 2023 libcurl-debuginfo 0:8.17.0-1.amzn2023.0.3
Amazon Linux · 2023 libcurl-devel 0:8.17.0-1.amzn2023.0.3
Amazon Linux · 2023 libcurl-minimal 0:8.17.0-1.amzn2023.0.3
Amazon Linux · 2023 libcurl-minimal-debuginfo 0:8.17.0-1.amzn2023.0.3

Vulnerabilities 1

  • High 7.5
    CVE-2026-3805 Public exploit

    use after free in SMB connection reuse

    When doing a second SMB request to the same host again, curl would wrongly use a data pointer pointing into already freed memory.

    curl curl curl curl Debian Ubuntu Alpine

References

  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-3805.html