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    CVE-2018-20618

    ok-file-formats through 2018-10-16 has a heap-based buffer over-read in the ok_mo_decode2 function in ok_mo.c.

    Published:Dec 31, 2018
    Last Modified:May 6, 2025
    EPS:Dec 31, 2018
    EPSS Score:0.00397
    CVSS Score:8.8

    Affected Products

    Vendor
    Ok-file-formats Project
    Product
    Ok-file-formats

    Exploits

    https://github.com/brackeen/ok-file-formats/issues/6https://github.com/brackeen/ok-file-formats/issues/6

    Common Weakness Enumeration

    CWE-125 Out-of-bounds Read

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

    Related CVEs

    CVE-2021-41413 (CVSS 7.8) — ok-file-formats master 2021-9-12 is affected by a buffer overflow in ok_jpg_convert_data_unit_grayscale and ok…
    CVE-2021-44343 (CVSS 7.8) — David Brackeen ok-file-formats 203defd is vulnerable to Buffer Overflow. When the function of the ok-file-form…
    CVE-2021-44335 (CVSS 7.8) — David Brackeen ok-file-formats 203defd is vulnerable to Buffer Overflow. When the function of the ok-file-form…
    CVE-2021-44342 (CVSS 7.8) — David Brackeen ok-file-formats 203defd is vulnerable to Buffer Overflow via function ok_png_transform_scanline…
    CVE-2021-44340 (CVSS 7.8) — David Brackeen ok-file-formats dev version is vulnerable to Buffer Overflow. When the function of the ok-file-…
    CVE-2021-44339 (CVSS 7.8) — David Brackeen ok-file-formats 203defd is vulnerable to Buffer Overflow. When the function of the ok-file-form…
    CVE-2021-44334 (CVSS 7.8) — David Brackeen ok-file-formats 97f78ca is vulnerable to Buffer Overflow. When the function of the ok-file-form…
    CVE-2021-28233 (CVSS 8.8) — Heap-based Buffer Overflow vulnerability exists in ok-file-formats 1 via the ok_jpg_generate_huffman_table fun…
    CVE-2021-32263 (CVSS 7.8) — ok-file-formats through 2021-04-29 has a heap-based buffer overflow in the ok_csv_circular_buffer_read functio…
    CVE-2020-23707 (CVSS 6.5) — A heap-based buffer overflow vulnerability in the function ok_jpg_decode_block_progressive() at ok_jpg.c:1054 …

    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