Access of Uninitialized Pointer Affecting hylafax package, versions <3:6.0.6-8.1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIAN14-HYLAFAX-11745650
- published10 Aug 2025
- disclosed21 Sept 2018
Introduced: 21 Sep 2018
CVE-2018-17141 (opens in a new tab)How to fix?
Upgrade Debian:14 hylafax to version 3:6.0.6-8.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream hylafax package and not the hylafax package as distributed by Debian.
See How to fix? for Debian:14 relevant fixed versions and status.
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.
References
- https://security-tracker.debian.org/tracker/CVE-2018-17141
- https://seclists.org/bugtraq/2018/Sep/49
- http://git.hylafax.org/HylaFAX?a=commit;h=c6cac8d8cd0dbe313689ba77023e12bc5b3027be
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17141
- https://www.debian.org/security/2018/dsa-4298
- https://lists.debian.org/debian-lts-announce/2018/09/msg00026.html
- https://www.x41-dsec.de/lab/advisories/x41-2018-008-hylafax/
- http://www.openwall.com/lists/oss-security/2018/09/20/1
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-17141
- http://git.hylafax.org/HylaFAX?a=commit%3Bh=c6cac8d8cd0dbe313689ba77023e12bc5b3027be