# CVE-2017-7842: firefox: If a document's Referrer Policy attribute is set to "no-referrer" sometimes two network requests are made for "<li... CVE-2017-7842 is fixed in 4 products on 1 platform, first by firefox 57.0.1+build2-0ubuntu1, released June 11, 2018. It is not reported as exploited. Patch Radar priority: Routine. - Web page: https://patchblox.com/security/cve/CVE-2017-7842 - Priority: Routine - CVSS: n/a (Low) - EPSS: 0.0151 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Nov 14, 2017 ## Description If a document's Referrer Policy attribute is set to "no-referrer" sometimes two network requests are made for "<link>" elements instead of one. One of these requests includes the referrer instead of respecting the set policy to not include a referrer on requests. This vulnerability affects Firefox < 57. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | firefox Ubuntu 18.04.6 LTS (bionic) | 57.0.1+build2-0ubuntu1 | [firefox 57.0.1+build2-0ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-57.0.1-build2-0ubuntu1.md) | Jun 11, 2018 | | Linux | firefox-globalmenu Ubuntu 18.04.6 LTS (bionic) | 57.0.1+build2-0ubuntu1 | [firefox-globalmenu 57.0.1+build2-0ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-globalmenu-57.0.1-build2-0ubuntu1.md) | Jun 11, 2018 | | Linux | firefox-mozsymbols Ubuntu 18.04.6 LTS (bionic) | 57.0.1+build2-0ubuntu1 | [firefox-mozsymbols 57.0.1+build2-0ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-mozsymbols-57.0.1-build2-0ubuntu1.md) | Jun 11, 2018 | | Linux | firefox-testsuite Ubuntu 18.04.6 LTS (bionic) | 57.0.1+build2-0ubuntu1 | [firefox-testsuite 57.0.1+build2-0ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-testsuite-57.0.1-build2-0ubuntu1.md) | Jun 11, 2018 | --- Data as of 2026-11-07T12:40:37Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo