CVE-2020-14355: canonical ubuntu_linux Classic Buffer Overflow
Vulnerability summary
CVE-2020-14355 is a medium (CVSS 6.6) Classic Buffer Overflow vulnerability in canonical ubuntu_linux. EPSS estimates a 2.66% chance of exploitation in the next 30 days, higher than 85.4% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 6 · Related 6Timeline
- 07-10-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Multiple buffer overflow vulnerabilities were found in the QUIC image decoding process of the SPICE remote display system, before spice-0.14.2-1. Both the SPICE client (spice-gtk) and server are affected by these flaws. These flaws allow a malicious client or server to send specially crafted messages that, when processed by the QUIC image compression algorithm, result in a process crash or potential code execution.
CVSS metrics
6 scores · 5 sources · 2 versions- OSV · AlpineEcosystem advisory · calculated6.6MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L
- OSV · Red hatEcosystem advisory · calculated6.6MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L
- OSV · UbuntuEcosystem advisory · calculated6.6MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L
- OSV · DebianEcosystem advisory · calculated6.6MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L
EPSS trend
Probability
2.66%
Chance of exploitation in the next 30 days
Percentile
85%
Versus all other CVEs
30-day change
0.00 pp
From 2.66% 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
Suse45 products
- spice-gtk&distro=HPE Helion OpenStack 8< 0.33-3.9.1
- spice-gtk&distro=SUSE Enterprise Storage 5< 0.33-3.9.1
- spice-gtk&distro=SUSE Enterprise Storage 6< 0.35-3.3.1
- spice-gtk&distro=SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS< 0.35-3.3.1
- spice-gtk&distro=SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS< 0.35-3.3.1
Redhat24 products
- enterprise_linuxEOL6.0 | 7.0 | 8.0
- enterprise_linux_aus8.2
- enterprise_linux_eus8.1
- enterprise_linux_tus8.2
- enterprise_linux_update_services_for_sap_solutions8.0
Debian3 products
- spice< 0.14.3-2 | < 0.14.0-1.3+deb10u1 | < 0.12.8-2.1+deb9u4
- spice-gtk< 0.39-1 | < 0.33-3.3+deb9u2
- debian_linuxEOL9.0
Opensuse3 products
- leapEOL15.2
- spice-gtk&distro=openSUSE Leap 15.2< 0.37-lp152.2.3.1
- spice&distro=openSUSE Leap 15.2< 0.14.2-lp152.2.3.1
Mageia2 products
- spice< 0.14.2-1.1.mga7
- spice-gtk< 0.37-1.mga7
Ubuntu2 products
- spice< 0.12.4-0nocelt2ubuntu1.8+esm1 | < 0.12.6-4ubuntu0.5 | < 0.14.0-1ubuntu2.5 | < 0.14.2-4ubuntu3.1
- spice-gtkAll versions (No fix recorded)
Alpine1 product
- spice< 0.15.0-r0
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04 | 18.04 | 20.04
Spice_project1 product
- spice< 0.14.2
9 vendors · 82 products
References
39 links- www.openwall.com/lists/oss-security/2020/10/06/10X Refsource MISCWEBARTICLEMailing ListPatchThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-11/msg00001.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-11/msg00000.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.debian.org/debian-lts-announce/2020/11/msg00002.htmlMailing ListX Refsource MLISTThird Party Advisory
- lists.debian.org/debian-lts-announce/2020/11/msg00001.htmlMailing ListX Refsource MLISTThird Party Advisory
Show all 39 references
- lists.opensuse.org/archives/…Advisory
- lists.opensuse.org/archives/…Advisory