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13 May 2021

Vulnerabilities first published on this day (UTC), newest first.

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All Critical High Medium Low Exploited only Public exploit

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  • Critical 9.8
    CVE-2021-33026 Public exploit

    Deserialization of Untrusted Data in Flask-Caching

    The Flask-Caching extension through 1.10.1 for Flask relies on Pickle for serialization, which may lead to remote code execution or local privilege escalation. If an attacker gains access to cache storage (e.g., filesystem, Memcached, Redis, etc.), they can c…

    flask-caching flask-caching Debian PyPI
  • Unscored —
    CVE-2020-27824 Public exploit

    A flaw was found in OpenJPEG’s encoder in the opj_dwt_calc_explicit_stepsizes() function. This flaw allows an attacker …

    ghostscript insighttoolkit4 qtwebengine-opensource-src openjpeg2 Debian Ubuntu Alpine
  • Medium 5.3
    CVE-2021-21424 Public exploit

    Prevent user enumeration using Guard or the new Authenticator-based Security

    Symfony is a PHP framework for web and console applications and a set of reusable PHP components. The ability to enumerate users was possible without relevant permissions due to different handling depending on whether the user existed or not when attempting t…

    symfony symfony symfony/symfony symfony Debian Ubuntu Packagist