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    CVE-2021-33453

    An issue was discovered in lrzip version 0.641. There is a use-after-free in ucompthread() in stream.c:1538.

    Published:Jul 26, 2022
    Last Modified:Nov 21, 2024
    EPS:Jul 26, 2022
    EPSS Score:0.00078
    CVSS Score:7.8

    Affected Products

    Vendor
    Long Range Zip Project
    Product
    Long Range Zip

    Exploits

    https://gist.github.com/Clingto/bb632c0c463f4b2c97e4f65f751c5e6dhttps://github.com/ckolivas/lrzip/issues/199https://gist.github.com/Clingto/bb632c0c463f4b2c97e4f65f751c5e6dhttps://github.com/ckolivas/lrzip/issues/199

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2025-9396 (CVSS 1.9) — A security flaw has been discovered in ckolivas lrzip up to 0.651. This impacts the function __GI_____strtol_l…
    CVE-2023-39741 (CVSS 5.5) — lrzip v0.651 was discovered to contain a heap overflow via the libzpaq::PostProcessor::write(int) function at …
    CVE-2021-33451 (CVSS 5.5) — An issue was discovered in lrzip version 0.641. There are memory leaks in fill_buffer() in stream.c.…
    CVE-2022-33067 (CVSS 5.5) — Lrzip v0.651 was discovered to contain multiple invalid arithmetic shifts via the functions get_magic in lrzip…
    CVE-2022-26291 (CVSS 5.5) — lrzip v0.641 was discovered to contain a multiple concurrency use-after-free between the functions zpaq_decomp…
    CVE-2021-27345 (CVSS 5.5) — A null pointer dereference was discovered in ucompthread in stream.c in Irzip 0.631 which allows attackers to …
    CVE-2020-25467 (CVSS 5.5) — A null pointer dereference was discovered lzo_decompress_buf in stream.c in Irzip 0.621 which allows an attack…
    CVE-2021-27347 (CVSS 5.5) — Use after free in lzma_decompress_buf function in stream.c in Irzip 0.631 allows attackers to cause Denial of …
    CVE-2019-10654 (CVSS 5.5) — The lzo1x_decompress function in liblzo2.so.2 in LZO 2.10, as used in Long Range Zip (aka lrzip) 0.631, allows…
    CVE-2018-11496 (CVSS 6.5) — In Long Range Zip (aka lrzip) 0.631, there is a use-after-free in read_stream in stream.c, because decompress_…

    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