USN-4107-1: GIFLIB vulnerabilities
giflib vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 19.04
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary
Several security issues were fixed in GIFLIB.
Software Description
- giflib – library for GIF images (utilities)
Details
It was discovered that GIFLIB incorrectly handled certain GIF files.
An attacker could possibly use this issue to cause a denial of service.
This issue only affected Ubuntu 18.04 LTS. (CVE-2016-3977)
It was discovered that GIFLIB incorrectly handled certain GIF files.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2018-11490, CVE-2019-15133)
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 19.04
- giflib-tools – 5.1.4-3ubuntu0.1
- libgif7 – 5.1.4-3ubuntu0.1
- Ubuntu 18.04 LTS
- giflib-tools – 5.1.4-2ubuntu0.1
- libgif7 – 5.1.4-2ubuntu0.1
- Ubuntu 16.04 LTS
- giflib-tools – 5.1.4-0.3~16.04.1
- libgif7 – 5.1.4-0.3~16.04.1
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
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