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Vulnerability record · CVE-2018-17141 · published 21 September 2018

CVE-2018-17141: Debian linux out-of-bounds write vulnerability

Debian · Debian Linux

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.

9.8 CVSS 3.0 Critical EPSS 5.6% · top 7.4% CWE-787 · Out-of-bounds writeCWE-824 · CWE-824
9.8CVSS 3.0 base score, v2 7.5
5.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
12References, 6 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

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

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://git.hylafax.org/HylaFAX?a=commit%3Bh=c6cac8d8cd0dbe313689ba77023e12bc5b3027be
http://www.openwall.com/lists/oss-security/2018/09/20/1 ExploitMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00026.html Mailing ListThird Party Advisory
https://seclists.org/bugtraq/2018/Sep/49 ExploitMailing ListThird Party Advisory
https://www.debian.org/security/2018/dsa-4298 Third Party Advisory
https://www.x41-dsec.de/lab/advisories/x41-2018-008-hylafax/ ExploitThird Party Advisory
http://git.hylafax.org/HylaFAX?a=commit%3Bh=c6cac8d8cd0dbe313689ba77023e12bc5b3027be
http://www.openwall.com/lists/oss-security/2018/09/20/1 ExploitMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00026.html Mailing ListThird Party Advisory
https://seclists.org/bugtraq/2018/Sep/49 ExploitMailing ListThird Party Advisory
https://www.debian.org/security/2018/dsa-4298 Third Party Advisory
https://www.x41-dsec.de/lab/advisories/x41-2018-008-hylafax/ ExploitThird Party Advisory

Track CVE-2018-17141 inside VULONE

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Source: NIST National Vulnerability Database (record CVE-2018-17141), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.