CVE-2018-17141

9.8 criticalEPSS 5.6%

HylaFAX 6.0.6 and HylaFAX+ 5.6.0 allow remote attackers to execute arbitrary code via a dial-in session that provides a FAX page with the JPEG bit enabled, which is mishandled in FaxModem::writeECMData() in the faxd/CopyQuality.c++ file.

Severity

CVSS 3.0

9.8 critical

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 5.6% chance of exploitation in the next 30 days; higher than 92% of CVEs (scores of 2026-10-31)
CWEs: CWE-787, CWE-824
Published: 2018-09-21
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

debian:debian_linux
hylafax:hylafax
hylafax:hylafax\+

References

http://git.hylafax.org/HylaFAX?a=commit%3Bh=c6cac8d8cd0dbe313689ba77023e12bc5b3027be
http://www.openwall.com/lists/oss-security/2018/09/20/1
https://lists.debian.org/debian-lts-announce/2018/09/msg00026.html
https://seclists.org/bugtraq/2018/Sep/49
https://www.debian.org/security/2018/dsa-4298

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