CVE-2017-9735 Jetty vulnerable to exposure of sensitive information due to observable discrepancy

What is CVE-2017-9735?

CVE-2017-9735 is a high-severity vulnerability in Debian Debian Linux, published on 16 Jun 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Jetty through 9.4.x is prone to a timing channel in util/security/Password.java, which makes it easier for remote attackers to obtain access by observing elapsed times before rejection of incorrect passwords.

Weakness: CWE-203

Which versions are affected by CVE-2017-9735?

6 open source packages ship an affected version, including org.eclipse.jetty:jetty-server. It affects 7 products.

Products include Debian Debian Linux, Eclipse Jetty, Oracle Communications Cloud Native Core Policy, Oracle Enterprise Manager Base Platform, Oracle Hospitality Guest Access, Oracle Rest Data Services and 1 more.

How do I fix CVE-2017-9735?

Upgrade org.eclipse.jetty:jetty-server to a fixed version for your release line: 9.2.22.v20170606, 9.3.20.v20170531 or 9.4.6.v20170531.

Is CVE-2017-9735 being exploited?

There is no known exploitation of CVE-2017-9735 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 CLEANSTART-2026-BA58800, DEBIAN-CVE-2017-9735, DLA-1020-1, DLA-1021-1, GHSA-wfcc-pff6-rgc5, MGASA-2017-0277 and 1 more.