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CVE-2020-8112

29
FAUCET Score

CVE-2020-8112 is a heap-based buffer overflow vulnerability in OpenJPEG versions 2.3.1 and earlier, specifically within the opj_t1_clbl_decode_processor function, affecting Debian and UCLouvain distributions of OpenJPEG. This high-severity vulnerability (CVSS 8.8) can be exploited remotely with low attack complexity and user interaction, potentially leading to high impact on confidentiality, integrity, and availability. Despite its severity, there is currently no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
2.3.1CPE matchmatch criteria
cpe:2.3:a:uclouvain:openjpeg:2.3.1:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
3.62%
Probability of exploitation in next 30 days
EPSS Percentile
88.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0362 is in the 87th percentile among its peer group of 14,875 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (7)

microsoftpatch availablevia msrc
Product: Azure Linux 3.0 x64Fixed in: 2.3.1-12
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 ARMFixed in: 2.3.1-12
microsoftpatch availablevia msrc
Product: azl3 openjpeg2 2.3.1-12 on Azure Linux 3.0Fixed in: 2.3.1-12
microsoftpatch availablevia msrc
Product: 19205-17084Fixed in: 2.3.1-12
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: openjpeg2-0:2.3.1-3.el7_7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: openjpeg2-0:2.3.1-3.el8_1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.0 Update Services for SAP SolutionsFixed in: openjpeg2-0:2.3.0-10.el8_0
View patch

Vendor Advisories (3)

microsoft2024-Jul/CVE-2020-8112

CVE-2020-8112

Jul 9, 2024
redhatCVE-2020-8112Important

openjpeg: heap-based buffer overflow in pj_t1_clbl_decode_processor in openjp2/t1.c

Feb 7, 2020
microsoft2020-Jan/CVE-2020-8112Important

opj_t1_clbl_decode_processor in openjp2/t1.c in OpenJPEG 2.3.1 through 2020-01-28 has a heap-based buffer overflow in the qmfbid==1 case a different issue than CVE-2020-6851.

Jan 14, 2020

References

access.redhat.com / errata/RHSA-2020:0550
access.redhat.com / errata/RHSA-2020:0569
access.redhat.com / errata/RHSA-2020:0570
access.redhat.com / errata/RHSA-2020:0694
github.com / uclouvain/openjpeg/issues/1231
ExploitThird Party Advisory
lists.debian.org / debian-lts-announce/2020/01/msg00035.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2020/07/msg00008.html
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/EFM77GIFWHOECNIERYJQPI2ZJU57GZD5
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/TFEVEKETJV7GOXD5RDWL35ESEDHC663E
debian.org / security/2021/dsa-4882
oracle.com / security-alerts/cpujul2020.html