CVE-2016-2090: canonical ubuntu_linux
CVSS: 9.8v3.1CriticalModified
AliasesALPINE-CVE-2016-2090UBUNTU-CVE-2016-2090DEBIAN-CVE-2016-2090DLA-2052-1
Published 13-01-2017Last modified 05-08-2024
Vulnerability summary
CVE-2016-2090 is a critical (CVSS 9.8) vulnerability in canonical ubuntu_linux. EPSS estimates a 3.21% chance of exploitation in the next 30 days, higher than 88% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
3.21%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 13-01-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
6 scores · 4 sources · 3 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 4 agree
- OSV · AlpineEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Critical 9.8Preferred score · OSV · Ubuntu (Ecosystem advisory) · calculated from vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
3.21%
Chance of exploitation in the next 30 days
Percentile
88%
Versus all other CVEs
30-day change
0.00 pp
From 3.21% on 20-09-2026
20-09-202620-10-2026
EPSS score3.21%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian2 products
- libbsd< 0.8.2-1 | < 0.7.0-2+deb8u1
- debian_linuxEOL8.0
Alpine1 product
- libbsd< 0.6.0-r2 | < 0.8.2-r0 | < 0.8.2
Canonical1 product
- ubuntu_linuxEOL12.04 | 14.04 | 16.04 | 18.04 | 19.04
Fedoraproject1 product
- fedoraEOL24 | 25
Freedesktop1 product
- libbsd< 0.8.2
Ubuntu1 product
- libbsd< 0.6.0-2ubuntu1+esm1
6 vendors · 7 products
References
14 links- blog.fuzzing-project.org/36-Heap-buffer-overflow-in-fgetwln-function-of-libbsd.htmlX Refsource MISCThird Party AdvisoryREPORT
- cgit.freedesktop.org/libbsd/commit/?id=c8f0723d2b4520bdd6b9eb7c3e7976de726d7ff7X Refsource CONFIRMIssue TrackingPatchThird Party Advisory
lists.debian.org/debian-lts-announce/2019/12/msg00036.htmlMailing ListX Refsource MLISTThird Party Advisory