CVE-2022-27781

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    CVE-2022-27781

    Published: 1 Jun 2022Last Modified: 21 Oct 2026

    Summary:

    Details: libcurl provides the `CURLOPT_CERTINFO` option to allow applications torequest details to be returned about a server's certificate chain.Due to an erroneous function, a malicious server could make libcurl built withNSS get stuck in a never-ending busy-loop when trying to retrieve thatinformation.

    References: https://cert-portal.siemens.com/productcert/html/ssa-146325.html, https://cert-portal.siemens.com/productcert/html/ssa-398330.html, https://hackerone.com/reports/1555441, https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/27xxx/CVE-2022-27781.json, https://nvd.nist.gov/vuln/detail/CVE-2022-27781, https://security.gentoo.org/glsa/202212-01, https://security.netapp.com/advisory/ntap-20220609-0009/, https://www.debian.org/security/2022/dsa-5197, https://lists.debian.org/debian-lts-announce/2022/08/msg00017.html

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -462196e6b4a47f924293a0e26b8e9c23d37ac26f

    Affected versions

    curl-7_83_0

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High