USN-4436-2: librsvg regression

Severity

Unknown

Vendor

Canonical Ubuntu

Description

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)

Affected Cloud Foundry Products and Versions

Severity is unknown unless otherwise noted.

• cflinuxfs3
  • All versions prior to 0.202.0
• CF Deployment
  • All versions prior to v13.12.0

Mitigation

Users of affected products are strongly encouraged to follow the mitigations below. The Cloud Foundry project recommends upgrading the following releases:

• cflinuxfs3
  • Upgrade All versions to 0.202.0 or greater
• CF Deployment
  • Upgrade All versions to v13.12.0 or greater

History

2020-08-27: Initial vulnerability report published.