Debian Security Advisory

DSA-4877-1 webkit2gtk -- security update

Date Reported:
27 Mar 2021
Affected Packages:
webkit2gtk
Vulnerable:
Yes
Security database references:
In Mitre's CVE dictionary: CVE-2020-27918, CVE-2020-29623, CVE-2021-1765, CVE-2021-1789, CVE-2021-1799, CVE-2021-1801, CVE-2021-1870.
More information:

The following vulnerabilities have been discovered in the webkit2gtk web engine:

  • CVE-2020-27918

    Liu Long discovered that processing maliciously crafted web content may lead to arbitrary code execution.

  • CVE-2020-29623

    Simon Hunt discovered that users may be unable to fully delete their browsing history under some circumstances.

  • CVE-2021-1765

    Eliya Stein discovered that maliciously crafted web content may violate iframe sandboxing policy.

  • CVE-2021-1789

    @S0rryMybad discovered that processing maliciously crafted web content may lead to arbitrary code execution.

  • CVE-2021-1799

    Gregory Vishnepolsky, Ben Seri and Samy Kamkar discovered that a malicious website may be able to access restricted ports on arbitrary servers.

  • CVE-2021-1801

    Eliya Stein discovered that processing maliciously crafted web content may lead to arbitrary code execution.

  • CVE-2021-1870

    An anonymous researcher discovered that processing maliciously crafted web content may lead to arbitrary code execution.

For the stable distribution (buster), these problems have been fixed in version 2.30.6-1~deb10u1.

We recommend that you upgrade your webkit2gtk packages.

For the detailed security status of webkit2gtk please refer to its security tracker page at: https://security-tracker.debian.org/tracker/webkit2gtk