CVE-2020-14344: canonical ubuntu_linux Integer Overflow or Wraparound
Vulnerability summary
CVE-2020-14344 is a medium (CVSS 6.7) Integer Overflow or Wraparound vulnerability in canonical ubuntu_linux. EPSS estimates a 0.46% chance of exploitation in the next 30 days, higher than 38.9% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 4 · Related 3Timeline
- 05-08-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
An integer overflow leading to a heap-buffer overflow was found in The X Input Method (XIM) client was implemented in libX11 before version 1.6.10. As per upstream this is security relevant when setuid programs call XIM client functions while running with elevated privileges. No such programs are shipped with Red Hat Enterprise Linux.
CVSS metrics
6 scores · 5 sources · 2 versions- OSV · AlpineEcosystem advisory · calculated6.7MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated6.7MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated6.7MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- NVDNIST6.7MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.46%
Chance of exploitation in the next 30 days
Percentile
39%
Versus all other CVEs
30-day change
0.00 pp
From 0.46% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Suse52 products
- libX11&distro=HPE Helion OpenStack 8< 1.6.2-12.8.1 | < 1.6.2-12.12.1
- libX11&distro=SUSE Enterprise Storage 5< 1.6.2-12.8.1 | < 1.6.2-12.12.1
- libX11&distro=SUSE Linux Enterprise High Performance Computing 15-ESPOS< 1.6.5-3.6.2 | < 1.6.5-3.9.1
- libX11&distro=SUSE Linux Enterprise High Performance Computing 15-LTSS< 1.6.5-3.6.2 | < 1.6.5-3.9.1
- libX11&distro=SUSE Linux Enterprise Module for Basesystem 15 SP1< 1.6.5-3.6.2 | < 1.6.5-3.9.1
Opensuse5 products
- leapEOL15.1 | 15.2
- libX11&distro=openSUSE Leap 15.1< 1.6.5-lp151.4.3.1 | < 1.6.5-lp151.4.6.1
- libX11&distro=openSUSE Leap 15.2< 1.6.5-lp152.5.3.1 | < 1.6.5-lp152.5.6.1
- libxcb&distro=openSUSE Leap 15.1< 1.13-lp151.4.3.1
- libxcb&distro=openSUSE Leap 15.2< 1.13-lp152.5.3.1
Mageia2 products
- libx11< 1.6.10-1.1.mga7
- x11-proto-devel< 2018.4-4.1.mga7
Alpine1 product
- libx11< 1.6.10-r0
Canonical1 product
- ubuntu_linuxEOL12.04 | 14.04 | 16.04 | 18.04 | 20.04
Debian1 product
- libx11< 2:1.6.10-1 | < 2:1.6.4-3+deb9u2
Fedoraproject1 product
- fedoraEOL31 | 32 | 33
The x11 project1 product
- libx111.6.10
Ubuntu1 product
- libx11< 2:1.6.2-1ubuntu2.1+esm1 | < 2:1.6.3-1ubuntu2.2 | < 2:1.6.4-3ubuntu0.3 | < 2:1.6.9-2ubuntu1.1
X.org1 product
- libx11< 1.6.10
10 vendors · 66 products
References
36 links- lists.x.org/archives/xorg-announce/2020-July/003050.htmlX Refsource MISCWEBREPORTMailing ListPatchVendor Advisory
- www.openwall.com/lists/oss-security/2020/07/31/1X Refsource MISCMailing ListPatchThird Party Advisory
- bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14344X Refsource CONFIRMIssue TrackingPatchThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-08/msg00014.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-08/msg00015.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-08/msg00024.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-08/msg00031.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
Show all 36 references
- lists.opensuse.org/archives/…Advisory
- lists.opensuse.org/archives/…Advisory
- lists.opensuse.org/archives/…Advisory
- lists.opensuse.org/archives/…Advisory