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    CVE-2019-12900

    BZ2_decompress in decompress.c in bzip2 through 1.0.6 has an out-of-bounds write when there are many selectors.

    Published:Jun 19, 2019
    Last Modified:Jun 9, 2025
    EPS:Jun 19, 2019
    EPSS Score:0.01371
    CVSS Score:9.8

    Affected Products

    Vendor
    Bzip
    Product
    Bzip2
    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Freebsd
    Product
    Freebsd
    Vendor
    Opensuse
    Product
    Leap
    Vendor
    Python
    Product
    Python
    Vendor
    Redhat
    Product
    Camel K
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Eus

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-42250 (CVSS 4.8) — bzip2 contains an off‑by‑one error in the bzip2recover utility. When processing a specially crafted file, the …
    CVE-2016-3189 (CVSS 6.5) — Use-after-free vulnerability in bzip2recover in bzip2 1.0.6 allows remote attackers to cause a denial of servi…
    CVE-2011-4089 (CVSS 4.6) — The bzexe command in bzip2 1.0.5 and earlier generates compressed executables that do not properly handle temp…
    CVE-2010-0405 (CVSS 5.1) — Integer overflow in the BZ2_decompress function in decompress.c in bzip2 and libbzip2 before 1.0.6 allows cont…
    CVE-2008-1372 (CVSS 4.3) — bzlib.c in bzip2 before 1.0.5 allows user-assisted remote attackers to cause a denial of service (crash) via a…
    CVE-2005-0953 (CVSS 3.7) — Race condition in bzip2 1.0.2 and earlier allows local users to modify permissions of arbitrary files via a ha…
    CVE-2005-1260 (CVSS 5) — bzip2 allows remote attackers to cause a denial of service (hard drive consumption) via a crafted bzip2 file t…
    CVE-2002-0759 (CVSS 5) — bzip2 before 1.0.2 in FreeBSD 4.5 and earlier, OpenLinux 3.1 and 3.1.1, and possibly other operating systems, …
    CVE-2002-0760 (CVSS 1.2) — Race condition in bzip2 before 1.0.2 in FreeBSD 4.5 and earlier, OpenLinux 3.1 and 3.1.1, and possibly other o…
    CVE-2002-0761 (CVSS 2.1) — bzip2 before 1.0.2 in FreeBSD 4.5 and earlier, OpenLinux 3.1 and 3.1.1, and possibly systems, uses the permiss…

    References

    http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00040.html
    http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00050.html
    http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00078.html
    http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00000.html
    http://packetstormsecurity.com/files/153644/Slackware-Security-Advisory-bzip2-Updates.html
    http://packetstormsecurity.com/files/153957/FreeBSD-Security-Advisory-FreeBSD-SA-19-18.bzip2.html
    https://gitlab.com/federicomenaquintero/bzip2/commit/74de1e2e6ffc9d51ef9824db71a8ffee5962cdbc
    https://lists.apache.org/thread.html/ra0adb9653c7de9539b93cc8434143b655f753b9f60580ff260becb2b%40%3Cusers.kafka.apache.org%3E
    https://lists.apache.org/thread.html/rce8cd8c30f60604b580ea01bebda8a671a25c9a1629f409fc24e7774%40%3Cuser.flink.apache.org%3E
    https://lists.apache.org/thread.html/rda98305669476c4d90cc8527c4deda7e449019dd1fe9936b56671dd4%40%3Cuser.flink.apache.org%3E
    https://lists.debian.org/debian-lts-announce/2019/06/msg00021.html
    https://lists.debian.org/debian-lts-announce/2019/07/msg00014.html
    https://lists.debian.org/debian-lts-announce/2019/10/msg00012.html
    https://lists.debian.org/debian-lts-announce/2019/10/msg00018.html
    https://seclists.org/bugtraq/2019/Aug/4
    https://seclists.org/bugtraq/2019/Jul/22
    https://security.FreeBSD.org/advisories/FreeBSD-SA-19:18.bzip2.asc
    https://support.f5.com/csp/article/K68713584?utm_source=f5support&amp%3Butm_medium=RSS
    https://usn.ubuntu.com/4038-1/
    https://usn.ubuntu.com/4038-2/
    https://usn.ubuntu.com/4146-1/
    https://usn.ubuntu.com/4146-2/
    https://www.oracle.com/security-alerts/cpuoct2020.html
    http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00040.html
    http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00050.html
    http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00078.html
    http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00000.html
    http://packetstormsecurity.com/files/153644/Slackware-Security-Advisory-bzip2-Updates.html
    http://packetstormsecurity.com/files/153957/FreeBSD-Security-Advisory-FreeBSD-SA-19-18.bzip2.html
    https://gitlab.com/federicomenaquintero/bzip2/commit/74de1e2e6ffc9d51ef9824db71a8ffee5962cdbc
    https://lists.apache.org/thread.html/ra0adb9653c7de9539b93cc8434143b655f753b9f60580ff260becb2b%40%3Cusers.kafka.apache.org%3E
    https://lists.apache.org/thread.html/rce8cd8c30f60604b580ea01bebda8a671a25c9a1629f409fc24e7774%40%3Cuser.flink.apache.org%3E
    https://lists.apache.org/thread.html/rda98305669476c4d90cc8527c4deda7e449019dd1fe9936b56671dd4%40%3Cuser.flink.apache.org%3E
    https://lists.debian.org/debian-lts-announce/2019/06/msg00021.html
    https://lists.debian.org/debian-lts-announce/2019/07/msg00014.html
    https://lists.debian.org/debian-lts-announce/2019/10/msg00012.html
    https://lists.debian.org/debian-lts-announce/2019/10/msg00018.html
    https://seclists.org/bugtraq/2019/Aug/4
    https://seclists.org/bugtraq/2019/Jul/22
    https://security.FreeBSD.org/advisories/FreeBSD-SA-19:18.bzip2.asc
    https://support.f5.com/csp/article/K68713584?utm_source=f5support&amp%3Butm_medium=RSS
    https://usn.ubuntu.com/4038-1/
    https://usn.ubuntu.com/4038-2/
    https://usn.ubuntu.com/4146-1/
    https://usn.ubuntu.com/4146-2/
    https://www.oracle.com/security-alerts/cpuoct2020.html

    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