CVE-2017-5029 Nokogiri implementation of libxslt lacks integer overflow checks

What is CVE-2017-5029?

CVE-2017-5029 is a high-severity vulnerability in Debian Debian Linux, published on 24 Apr 2017. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

The xsltAddTextString function in transform.c in libxslt 1.1.29, as used in Blink in Google Chrome prior to 57.0.2987.98 for Mac, Windows, and Linux and 57.0.2987.108 for Android, lacked a check for integer overflow during a size calculation, which allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page.

Weakness: CWE-787

Which versions are affected by CVE-2017-5029?

2 open source packages ship an affected version, including nokogiri. It affects 6 products.

Products include Debian Debian Linux, Google Chrome, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Workstation, Xmlsoft Libxslt.

How do I fix CVE-2017-5029?

Upgrade nokogiri to 1.7.2 or later.

Is CVE-2017-5029 being exploited?

There is no known exploitation of CVE-2017-5029 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-2017-5029, DEBIAN-CVE-2017-5029, DLA-866-1, GHSA-pf6m-fxpq-fg8v, MGASA-2017-0125, UBUNTU-CVE-2017-5029.