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      "text" : "An update for rest is now available for Red Hat Enterprise Linux 10.\n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.",
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      "text" : "The rest packages provide a library for access to the RESTful web services.\n\nSecurity Fix(es):\n\n* librest: weak random number generation in PKCE implementation (CVE-2026-16615)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
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      "text" : "librest: weak random number generation in PKCE implementation",
      "title" : "Vulnerability summary"
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      "category" : "other",
      "text" : "To exploit this flaw, an attacker must be in a position to intercept the authorization code and reverse-engineer the pseudo-random number generator (PRNG) seed to reconstruct or predict the code verifier string. This allows the attacker to hold a valid access token and impersonate the user, access their protected data and perform actions on their behalf. Due to these reasons, this vulnerability has been rated with an important severity.",
      "title" : "Statement"
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      "category" : "general",
      "text" : "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
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      "details" : "Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.",
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    "scores" : [ {
      "cvss_v3" : {
        "attackComplexity" : "HIGH",
        "attackVector" : "NETWORK",
        "availabilityImpact" : "NONE",
        "baseScore" : 6.8,
        "baseSeverity" : "MEDIUM",
        "confidentialityImpact" : "HIGH",
        "integrityImpact" : "HIGH",
        "privilegesRequired" : "NONE",
        "scope" : "UNCHANGED",
        "userInteraction" : "REQUIRED",
        "vectorString" : "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N",
        "version" : "3.1"
      },
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    } ],
    "threats" : [ {
      "category" : "impact",
      "details" : "Important"
    } ],
    "title" : "librest: weak random number generation in PKCE implementation"
  } ]
}