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Debian Security Advisory 5030-1

Debian Security Advisory 5030-1
Posted Dec 28, 2021
Authored by Debian | Site debian.org

Debian Linux Security Advisory 5030-1 - Vulnerabilities have been discovered in the webkit2gtk web engine.

tags | advisory, web, vulnerability
systems | linux, debian
advisories | CVE-2021-30887, CVE-2021-30890
SHA-256 | d4a62f9be8a75b432b8de2152f6a11d80cc78b371126621b47e4d9ce97dec012

Debian Security Advisory 5030-1

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- -------------------------------------------------------------------------
Debian Security Advisory DSA-5030-1 security@debian.org
https://www.debian.org/security/ Alberto Garcia
December 23, 2021 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : webkit2gtk
CVE ID : 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

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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