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    2 vulnerabilities by H. Peter Anvin

    CVE-2026-106026 (GCVE-0-2026-106026)

    Vulnerability from nvd – Published: 2026-10-06 13:35 – Updated: 2026-10-06 17:15
    VLAI
    Title
    tftp-hpa 5.4 before 6.0 Out-of-Bounds Read via tftpd Remap Jump Rule
    Summary
    tftp-hpa 5.4 before 6.0 contains an out-of-bounds read vulnerability in rewrite_string() in tftpd/remap.c that walks heap memory during jump label searches. Unauthenticated remote attackers can send read or write requests whose filename matches a remap jump rule to crash the forked in.tftpd request handler.
    Severity
    6.3 (Medium)
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
    3.7 (Low)
    CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-10-06 17:15 UTC
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    H. Peter Anvin tftp-hpa Affected: 5.4 , < 6.0 (custom)
        cpe:2.3:a:tftp-hpa_project:tftp-hpa:*:*:*:*:*:*:*:*
    		Create a notification for this product.
    Date Public
    2026-08-23 00:00
    Credits
    Tristan Madani
    Show details on NVD website
    To clipboard 

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    CVE-2026-106026 (GCVE-0-2026-106026)

    Vulnerability from cvelistv5 – Published: 2026-10-06 13:35 – Updated: 2026-10-06 17:15
    VLAI
    Title
    tftp-hpa 5.4 before 6.0 Out-of-Bounds Read via tftpd Remap Jump Rule
    Summary
    tftp-hpa 5.4 before 6.0 contains an out-of-bounds read vulnerability in rewrite_string() in tftpd/remap.c that walks heap memory during jump label searches. Unauthenticated remote attackers can send read or write requests whose filename matches a remap jump rule to crash the forked in.tftpd request handler.
    Severity
    6.3 (Medium)
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
    3.7 (Low)
    CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-10-06 17:15 UTC
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    H. Peter Anvin tftp-hpa Affected: 5.4 , < 6.0 (custom)
        cpe:2.3:a:tftp-hpa_project:tftp-hpa:*:*:*:*:*:*:*:*
    		Create a notification for this product.
    Date Public
    2026-08-23 00:00
    Credits
    Tristan Madani
    Show details on NVD website
    To clipboard 

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