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    CVE-2026-42250

    bzip2 contains an off‑by‑one error in the bzip2recover utility. When processing a specially crafted file, the application performs an out‑of‑bounds write to a global buffer, resulting in memory corruption and a crash (denial of service). This issue was fixed in bzip2 patch 35d122a3df8b0cc4082a4d89fdc6ee99f375fe67

    Published:May 28, 2026
    Last Modified:Jun 5, 2026
    EPS:May 28, 2026
    EPSS Score:0.00021
    CVSS Score:5

    Affected Products

    Vendor
    Bzip
    Product
    Bzip2

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2019-12900 (CVSS 9.8) — BZ2_decompress in decompress.c in bzip2 through 1.0.6 has an out-of-bounds write when there are many selectors…
    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…

    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