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CVE-2021-40145

Status Candidate

Overview

** DISPUTED ** gdImageGd2Ptr in gd_gd2.c in the GD Graphics Library (aka LibGD) through 2.3.2 has a double free. NOTE: the vendor's position is "The GD2 image format is a proprietary image format of libgd. It has to be regarded as being obsolete, and should only be used for development and testing purposes."

Related Files

Ubuntu Security Notice USN-5068-1
Posted Sep 8, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5068-1 - It was discovered that GD Graphics Library incorrectly handled certain GD and GD2 files. An attacker could possibly use this issue to cause a crash or expose sensitive information. This issue only affected Ubuntu 20.04 LTS, Ubuntu 18.04 LTS, Ubuntu 16.04 ESM, and Ubuntu 14.04 ESM. It was discovered that GD Graphics Library incorrectly handled certain TGA files. An attacker could possibly use this issue to cause a denial of service or expose sensitive information. Various other issues were also addressed.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2017-6363, CVE-2021-40145
SHA-256 | 207d9f248fbcf94e7768c791e2cbb722b0127794051e2f24f86ee92248948cdc
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