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    2 vulnerabilities by radvd-project

    CVE-2026-48715 (GCVE-0-2026-48715)

    Vulnerability from nvd – Published: 2026-06-19 19:18 – Updated: 2026-06-22 13:57
    VLAI
    Title
    radvdump's Route Information Option Parser has a Stack Buffer Overflow
    Summary
    radvd is a router advertisement daemon for IPv6. Prior to version 2.21, the `radvdump` utility shipped with radvd contains a stack buffer overflow in the Route Information option parser. When processing a crafted ICMPv6 Router Advertisement, `print_ff()` copies up to 2032 bytes from attacker-controlled packet data into a 16-byte `struct in6_addr` on the stack, overflowing by up to 2016 bytes. Note that the main `radvd` daemon is not affected by the vulnerability. Version 2.21 patches the issue.
    Severity
    7.7 (High)
    CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-121 - Stack-based Buffer Overflow
    Assigner
    References
    Impacted products
    Vendor Product Version
    radvd-project radvdump Affected: < 2.21
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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                "id": "CVE-2026-48715",
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                "timestamp": "2026-06-22T13:57:31.322095Z",
                "version": "2.0.3"
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
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    ],
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        {
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          "vendor": "radvd-project",
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            }
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      ],
      "descriptions": [
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          "value": "radvd is a router advertisement daemon for IPv6. Prior to version 2.21, the `radvdump` utility shipped with radvd contains a stack buffer overflow in the Route Information option parser. When processing a crafted ICMPv6 Router Advertisement, `print_ff()` copies up to 2032 bytes from attacker-controlled packet data into a 16-byte `struct in6_addr` on the stack, overflowing by up to 2016 bytes. Note that the main `radvd` daemon is not affected by the vulnerability. Version 2.21 patches the issue."
        }
      ],
      "metrics": [
        {
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            "attackRequirements": "PRESENT",
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          "name": "https://github.com/radvd-project/radvd/security/advisories/GHSA-52px-gh9p-m379",
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          "url": "https://github.com/radvd-project/radvd/security/advisories/GHSA-52px-gh9p-m379"
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        "advisory": "GHSA-52px-gh9p-m379",
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      "title": "radvdump\u0027s Route Information Option Parser has a Stack Buffer Overflow"
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    CVE-2026-48715 (GCVE-0-2026-48715)

    Vulnerability from cvelistv5 – Published: 2026-06-19 19:18 – Updated: 2026-06-22 13:57
    VLAI
    Title
    radvdump's Route Information Option Parser has a Stack Buffer Overflow
    Summary
    radvd is a router advertisement daemon for IPv6. Prior to version 2.21, the `radvdump` utility shipped with radvd contains a stack buffer overflow in the Route Information option parser. When processing a crafted ICMPv6 Router Advertisement, `print_ff()` copies up to 2032 bytes from attacker-controlled packet data into a 16-byte `struct in6_addr` on the stack, overflowing by up to 2016 bytes. Note that the main `radvd` daemon is not affected by the vulnerability. Version 2.21 patches the issue.
    Severity
    7.7 (High)
    CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-121 - Stack-based Buffer Overflow
    Assigner
    References
    Impacted products
    Vendor Product Version
    radvd-project radvdump Affected: < 2.21
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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                "timestamp": "2026-06-22T13:57:31.322095Z",
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          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
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      "affected": [
        {
          "product": "radvdump",
          "vendor": "radvd-project",
          "versions": [
            {
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        }
      ],
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            "attackRequirements": "PRESENT",
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            "subConfidentialityImpact": "NONE",
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            "userInteraction": "NONE",
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      "title": "radvdump\u0027s Route Information Option Parser has a Stack Buffer Overflow"
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