Out-of-Bounds Affecting flex package, versions <2.6.1-1
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.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-DEBIANUNSTABLE-FLEX-285186
- published21 Sept 2016
- disclosed21 Sept 2016
Introduced: 21 Sep 2016
CVE-2016-6354 (opens in a new tab)How to fix?
Upgrade Debian:unstable flex to version 2.6.1-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream flex package and not the flex package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
Heap-based buffer overflow in the yy_get_next_buffer function in Flex before 2.6.1 might allow context-dependent attackers to cause a denial of service or possibly execute arbitrary code via vectors involving num_to_read.
References
- https://security-tracker.debian.org/tracker/CVE-2016-6354
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6354
- http://www.debian.org/security/2016/dsa-3653
- https://security.gentoo.org/glsa/201701-31
- https://github.com/westes/flex/commit/a5cbe929ac3255d371e698f62dc256afe7006466
- http://www.openwall.com/lists/oss-security/2016/07/18/8
- http://www.openwall.com/lists/oss-security/2016/07/26/12
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-6354