CVE Feed

    Dashboard / CVE / CVE-2026-11972

    CVE-2026-11972

    When using the "tarfile" module with a file opened in "streaming mode" (mode="r|") the tarfile module did not properly handle EOF, making archive parsing take exponentially longer.

    Published:Jun 23, 2026
    Last Modified:Aug 5, 2026
    EPS:Jun 23, 2026
    EPSS Score:0.00433
    CVSS Score:6.5

    Affected Products

    Vendor
    Python
    Product
    Cpython

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-15310 (CVSS 2.1) — When decompressing crafted zip files using the bzip/LZMA/Zstandard compressions, Python could use an attacke…
    CVE-2026-19672 (CVSS 6.3) — The tarfile module's tar and data extraction filters created directories outside the destination for members…
    CVE-2026-15806 (CVSS 6) — The HTTPPasswordMgr class in the urllib.request module, along with its subclasses HTTPPasswordMgrWithDefaultRe…
    CVE-2026-17084 (CVSS 6) — The "stringprep" module didn't process characters from RFC 3454 tables B.2 or B.3 correctly: the latest Unico…
    CVE-2026-18503 (CVSS 2.4) — Attacker-controlled CSV samples can trigger super-linear regular-expression work during dialect sniffing and …
    CVE-2026-6879 (CVSS 2) — `Element.findall()` and fully-consumed `Element.iterfind()` exhibit `O(n^2)` time complexity when using XPath …
    CVE-2026-15308 (CVSS 8.7) — The incremental HTML parser (html.parser.HTMLParser) allows for CPU denial-of-service through repeated untermi…
    CVE-2026-4360 (CVSS 2) — In the Tarfile.extract() function, the filter parameter is not passed properly when extracting hardlinks. An a…
    CVE-2026-0864 (CVSS 4.1) — When using the "configparser" module to write configuration files containing multi-line text values with carri…
    CVE-2026-11940 (CVSS 7.8) — tarfile.extractall() with the 'data' or 'tar' filter could be bypassed by a crafted archive where a hardlink …

    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