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    CVE-2023-29415

    An issue was discovered in libbzip3.a in bzip3 before 1.3.0. A denial of service (process hang) can occur with a crafted archive because bzip3 does not follow the required procedure for interacting with libsais.

    Published:Apr 6, 2023
    Last Modified:Feb 13, 2025
    EPS:Apr 6, 2023
    EPSS Score:0.00116
    CVSS Score:6.5

    Affected Products

    Vendor
    Bzip3 Project
    Product
    Bzip3
    Vendor
    Debian
    Product
    Debian Linux

    Exploits

    https://github.com/kspalaiologos/bzip3/issues/95https://github.com/kspalaiologos/bzip3/issues/95

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2023-29416 (CVSS 6.5) — An issue was discovered in libbzip3.a in bzip3 before 1.3.0. A bz3_decode_block out-of-bounds write can occur …
    CVE-2023-29418 (CVSS 6.5) — An issue was discovered in libbzip3.a in bzip3 before 1.2.3. There is an xwrite out-of-bounds read.…
    CVE-2023-29419 (CVSS 6.5) — An issue was discovered in libbzip3.a in bzip3 before 1.2.3. There is a bz3_decode_block out-of-bounds read.…
    CVE-2023-29420 (CVSS 6.5) — An issue was discovered in libbzip3.a in bzip3 before 1.2.3. There is a crash caused by an invalid memmove in …
    CVE-2023-29421 (CVSS 8.8) — An issue was discovered in libbzip3.a in bzip3 before 1.2.3. There is an out-of-bounds write in bz3_decode_blo…
    CVE-2023-29417 (CVSS 6.5) — An issue was discovered in libbzip3.a in bzip3 1.2.2. There is a bz3_decompress out-of-bounds read in certain …

    References

    https://github.com/kspalaiologos/bzip3/compare/1.2.3...1.3.0
    https://github.com/kspalaiologos/bzip3/issues/95
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4JLSE25SV7K2NB6FTFT4UHJOJUHBHYHY/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NA7S7HDUAINOTCSWQZ5LIW756DYY22V2/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NMLFV2FJK3CM7NJLVPZI5RUAFQZICPWW/
    https://security-tracker.debian.org/tracker/CVE-2023-29415
    https://github.com/kspalaiologos/bzip3/compare/1.2.3...1.3.0
    https://github.com/kspalaiologos/bzip3/issues/95
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4JLSE25SV7K2NB6FTFT4UHJOJUHBHYHY/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NA7S7HDUAINOTCSWQZ5LIW756DYY22V2/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NMLFV2FJK3CM7NJLVPZI5RUAFQZICPWW/
    https://security-tracker.debian.org/tracker/CVE-2023-29415

    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