A libwebp security update has been released for Ubuntu Linux 18.04 LTS, 20.04 LTS, 20.10, and 21.04.
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Ubuntu Security Notice USN-4971-1
June 01, 2021
libwebp vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 21.04
- Ubuntu 20.10
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
Summary:
libwebp could be made to crash or run programs as your login if it
opened a specially crafted file.
Software Description:
- libwebp: Lossy compression of digital photographic images.
Details:
It was discovered that libwebp incorrectly handled certain malformed
images. If a user or automated system were tricked into opening a specially
crafted image file, a remote attacker could use this issue to cause libwebp
to crash, resulting in a denial of service, or possibly execute arbitrary
code.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 21.04:
libwebp6 0.6.1-2ubuntu0.21.04.1
libwebpdemux2 0.6.1-2ubuntu0.21.04.1
libwebpmux3 0.6.1-2ubuntu0.21.04.1
Ubuntu 20.10:
libwebp6 0.6.1-2ubuntu0.20.10.1
libwebpdemux2 0.6.1-2ubuntu0.20.10.1
libwebpmux3 0.6.1-2ubuntu0.20.10.1
Ubuntu 20.04 LTS:
libwebp6 0.6.1-2ubuntu0.20.04.1
libwebpdemux2 0.6.1-2ubuntu0.20.04.1
libwebpmux3 0.6.1-2ubuntu0.20.04.1
Ubuntu 18.04 LTS:
libwebp6 0.6.1-2ubuntu0.18.04.1
libwebpdemux2 0.6.1-2ubuntu0.18.04.1
libwebpmux3 0.6.1-2ubuntu0.18.04.1
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-4971-1
CVE-2018-25009, CVE-2018-25010, CVE-2018-25011, CVE-2018-25012,
CVE-2018-25013, CVE-2018-25014, CVE-2020-36328, CVE-2020-36329,
CVE-2020-36330, CVE-2020-36331, CVE-2020-36332
Package Information:
https://launchpad.net/ubuntu/+source/libwebp/0.6.1-2ubuntu0.21.04.1
https://launchpad.net/ubuntu/+source/libwebp/0.6.1-2ubuntu0.20.10.1
https://launchpad.net/ubuntu/+source/libwebp/0.6.1-2ubuntu0.20.04.1
https://launchpad.net/ubuntu/+source/libwebp/0.6.1-2ubuntu0.18.04.1
