CVE-2016-2090

CRITICAL 9.8CVE-2016-2090 · Published 13/01/2017 · updated 17/06/2026

In short

CVE-2016-2090 is a CRITICAL (CVSS 9.8) vulnerability affecting libbsd (freedesktop).
Chance of exploitation in the next 30 days (EPSS): 3.2%, higher than 88.2% of all vulnerabilities.
Fix: update to 0.8.2 or later.

Package	Affected versions	Patched versions
libbsd freedesktop	`< 0.8.2`	`0.8.2`

Description

Off-by-one vulnerability in the fgetwln function in libbsd before 0.8.2 allows attackers to have unspecified impact via unknown vectors, which trigger a heap-based buffer overflow.

References

openwall.com/lists/oss-security/2016/01/28/5 · Mailing List
blog.fuzzing-project.org/36-Heap-buffer-overflow-in-fgetwln-function-of-libbsd.html · Third Party Advisory
bugs.freedesktop.org/show_bug.cgi · Issue Tracking
cgit.freedesktop.org/libbsd/commit · Issue Tracking
lists.debian.org/debian-lts-announce/2019/12/msg00036.html · Third Party Advisory
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7KJE5SPSX7HEKLZ34LUTZLXWPEL2K353
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DIQKQ42Z7553D46QY3IMIQKS52QTNIHY
security.gentoo.org/glsa/201607-13 · Third Party Advisory
usn.ubuntu.com/4243-1 · Third Party Advisory

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