Fedora 31 update for mingw-OpenEXR, mingw-ilmbase

Published: 2019-11-13 | Updated: 2025-04-25

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2018-18443 CVE-2018-18444
CWE-ID	CWE-401 CWE-787
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Fedora Operating systems & Components / Operating system mingw-ilmbase Operating systems & Components / Operating system package or component mingw-openexr Operating systems & Components / Operating system package or component
Vendor	Fedoraproject

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Memory leak

EUVDB-ID: #VU20311

Risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-18443

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak within ThreadPool in IlmBase/IlmThread/IlmThreadPool.cpp, as demonstrated by exrmultiview. A remote attacker can perform a denial of service attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 31

mingw-ilmbase: before 2.3.0-3.fc31

mingw-openexr: before 2.3.0-3.fc31

CPE2.3

External links

https://bodhi.fedoraproject.org/updates/FEDORA-2019-5b062c4a3b

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Out-of-bounds write

EUVDB-ID: #VU20312

Risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2018-18444

CWE-ID: CWE-787 - Out-of-bounds write