Double Free in LibreDWG - CVE-2018-14524
Published: July 23, 2018 / Updated: July 17, 2020
Vulnerability identifier: #VU31266
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-14524
CWE-ID: CWE-415
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
dwg_decode_eed in decode.c in GNU LibreDWG before 0.6 leads to a double free (in dwg_free_eed in free.c) because it does not properly manage the obj->eed value after a free occurs.
Affected software
LibreDWG
How to mitigate CVE-2018-14524
Install update from vendor's website.
LibreDWG - update to 0.6