CVE-2016-9840

Publication date 23 May 2017

Last updated 10 November 2026

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

8.8 · High

Score breakdown

Description

inftrees.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact by leveraging improper pointer arithmetic.

Read the notes from the security team

Status

Package Ubuntu Release Status
zlib 26.10 stonking
Not affected
26.04 LTS resolute
Not affected
25.10 questing
Not affected
25.04 plucky
Not affected
24.10 oracular
Not affected
24.04 LTS noble
Not affected
23.10 mantic
Not affected
23.04 lunar
Not affected
22.10 kinetic
Not affected
22.04 LTS jammy
Not affected
21.10 impish
Not affected
21.04 hirsute
Not affected
20.10 groovy
Not affected
20.04 LTS focal
Not affected
19.10 eoan
Not affected
19.04 disco
Not affected
18.10 cosmic
Not affected
18.04 LTS bionic
Not affected
17.10 artful
Not affected
17.04 zesty Ignored end of life
16.10 yakkety Ignored end of life
16.04 LTS xenial
Fixed in 1:1.2.8.dfsg-2ubuntu4.3
14.04 LTS trusty
Vulnerable
12.04 LTS precise Ignored end of life
rsync 26.10 stonking
Fixed in 3.1.3-6
26.04 LTS resolute
Fixed in 3.1.3-6
25.10 questing
Fixed in 3.1.3-6
25.04 plucky
Fixed in 3.1.3-6
24.10 oracular
Fixed in 3.1.3-6
24.04 LTS noble
Fixed in 3.1.3-6
23.10 mantic
Fixed in 3.1.3-6
23.04 lunar
Fixed in 3.1.3-6
22.10 kinetic
Fixed in 3.1.3-6
22.04 LTS jammy
Fixed in 3.1.3-6
21.10 impish
Fixed in 3.1.3-6
21.04 hirsute
Fixed in 3.1.3-6
20.10 groovy
Fixed in 3.1.3-6
20.04 LTS focal
Fixed in 3.1.3-6
19.10 eoan
Fixed in 3.1.3-6
19.04 disco
Fixed in 3.1.3-6
18.04 LTS bionic
Fixed in 3.1.2-2.1ubuntu1.1
16.04 LTS xenial
Fixed in 3.1.1-3ubuntu1.3
14.04 LTS trusty
Not affected
klibc 26.10 stonking
Fixed in 2.0.13-4ubuntu1
26.04 LTS resolute
Fixed in 2.0.13-4ubuntu1
25.10 questing
Fixed in 2.0.13-4ubuntu1
25.04 plucky
Fixed in 2.0.13-4ubuntu1
24.10 oracular
Fixed in 2.0.13-4ubuntu1
24.04 LTS noble
Fixed in 2.0.13-4ubuntu0.1
23.10 mantic
Fixed in 2.0.13-1ubuntu0.1
22.04 LTS jammy
Fixed in 2.0.10-4ubuntu0.1
20.04 LTS focal
Fixed in 2.0.7-1ubuntu5.2
18.04 LTS bionic
Fixed in 2.0.4-9ubuntu2.2+esm1
16.04 LTS xenial
Fixed in 2.0.4-8ubuntu1.16.04.4+esm2
14.04 LTS trusty
Fixed in 2.0.3-0ubuntu1.14.04.3+esm3
zsync 26.10 stonking
Needs evaluation
26.04 LTS resolute
Needs evaluation
25.10 questing Ignored end of life, was needs-triage
25.04 plucky Ignored end of life, was needs-triage
24.10 oracular Ignored end of life, was needs-triage
24.04 LTS noble
Vulnerable
22.04 LTS jammy
Needs evaluation
20.04 LTS focal
Needs evaluation
18.04 LTS bionic
Vulnerable
16.04 LTS xenial
Vulnerable

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Notes

mdeslaur

since 3.1.3-7, rsync builds with the system zlib

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
zlib

Severity score breakdown

CVSS version: CVSS v3.0

Base score 8.8 · High

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

Other references

Access our resources on patching vulnerabilities