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Sigurnosni nedostaci programske biblioteke librsvg

  • Detalji os-a: WN7
  • Važnost: IMP
  • Operativni sustavi: L
  • Kategorije: LUB

==========================================================================
Ubuntu Security Notice USN-4436-2
July 29, 2020

librsvg regression
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

– Ubuntu 18.04 LTS
– Ubuntu 16.04 LTS

Summary:

USN-4436-1 introduced a regression in librsvg.

Software Description:
– librsvg: renderer library for SVG files

Details:

USN-4436-1 fixed a vulnerability in librsvg. The upstream fix caused a
regression when parsing certain SVG files. This update backs out the fix
pending further investigation.

Original advisory details:

It was discovered that librsvg incorrectly handled parsing certain SVG
files. A remote attacker could possibly use this issue to cause librsvg to
crash, resulting in a denial of service. This issue only affected Ubuntu
16.04 LTS. (CVE-2017-11464)
It was discovered that librsvg incorrectly handled parsing certain SVG
files with nested patterns. A remote attacker could possibly use this issue
to cause librsvg to consume resources and crash, resulting in a denial of
service. (CVE-2019-20446)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 18.04 LTS:
librsvg2-2 2.40.20-2ubuntu0.2

Ubuntu 16.04 LTS:
librsvg2-2 2.40.13-3ubuntu0.2

After a standard system update you need to restart your session to make all
the necessary changes.

References:
https://usn.ubuntu.com/4436-2
https://usn.ubuntu.com/4436-1
https://launchpad.net/bugs/1889206

Package Information:
https://launchpad.net/ubuntu/+source/librsvg/2.40.20-2ubuntu0.2
https://launchpad.net/ubuntu/+source/librsvg/2.40.13-3ubuntu0.2

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AutorFilip Omazic
Cert idNCERT-REF-2020-07-0001-ADV
CveCERT-CVE-DUMMY
ID izvornikaCERT-ORIGID-DUMMY
ProizvodCERT-DUMMY-PRODUCT
IzvorAdobe
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