DSA-5030-1 webkit2gtk -- security update

Related Vulnerabilities: CVE-2021-30887   CVE-2021-30890  

The following vulnerabilities have been discovered in the webkit2gtk web engine: CVE-2021-30887 Narendra Bhati discovered that processing maliciously crafted web content may lead to unexpectedly unenforced Content Security Policy. CVE-2021-30890 An anonymous researcher discovered that processing maliciously crafted web content may lead to universal cross site scripting. For the oldstable distribution (buster), these problems have been fixed in version 2.34.3-1~deb10u1. For the stable distribution (bullseye), these problems have been fixed in version 2.34.3-1~deb11u1. 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

Debian Security Advisory

DSA-5030-1 webkit2gtk -- security update

Date Reported:
23 Dec 2021
Affected Packages:
webkit2gtk
Vulnerable:
Yes
Security database references:
In Mitre's CVE dictionary: CVE-2021-30887, CVE-2021-30890.
More information:

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

  • CVE-2021-30887

    Narendra Bhati discovered that processing maliciously crafted web content may lead to unexpectedly unenforced Content Security Policy.

  • CVE-2021-30890

    An anonymous researcher discovered that processing maliciously crafted web content may lead to universal cross site scripting.

For the oldstable distribution (buster), these problems have been fixed in version 2.34.3-1~deb10u1.

For the stable distribution (bullseye), these problems have been fixed in version 2.34.3-1~deb11u1.

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