[USN-4971-2] libwebp vulnerabilities
Leonidas S. Barbosa
leo.barbosa at canonical.com
Thu Jun 10 14:05:17 UTC 2021
Ubuntu Security Notice USN-4971-2
June 10, 2021
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM
libwebp could be made to crash or run programs as your login if it
opened a specially crafted file.
- libwebp: Lossy compression of digital photographic images.
USN-4971-1 fixed several vulnerabilities in libwebp. This update provides
the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.
Original advisory 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
The problem can be corrected by updating your system to the following
Ubuntu 16.04 ESM:
Ubuntu 14.04 ESM:
In general, a standard system update will make all the necessary changes.
CVE-2018-25009, CVE-2018-25010, CVE-2018-25011, CVE-2018-25012,
CVE-2018-25013, CVE-2018-25014, CVE-2020-36328, CVE-2020-36329,
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