CVE-2018-17141 Memory corruption in n/a

What is CVE-2018-17141?

CVE-2018-17141 is a critical memory corruption vulnerability in Debian Debian Linux, published on 21 Sep 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-824, CWE-787

Which versions are affected by CVE-2018-17141?

It affects 3 products.

Products include Debian Debian Linux, Hylafax Hylafax, Hylafax Hylafax\+.

How do I fix CVE-2018-17141?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2018-17141 being exploited?

There is no known exploitation of CVE-2018-17141 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2018-17141, DEBIAN-CVE-2018-17141, DLA-1515-1, DSA-4298-1, GHSA-56vg-g8vf-f4v4, MGASA-2018-0456 and 1 more.