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CVE-2020-12268

25
FAUCET Score

CVE-2020-12268 describes a critical heap-based buffer overflow vulnerability in Artifex jbig2dec, specifically within the jbig2_image_compose function in jbig2_image.c, affecting versions prior to 0.18, as well as various Debian, OpenSUSE, and Artifex products utilizing jbig2dec. This vulnerability carries a CVSS score of 9.8 (CRITICAL), indicating it can be exploited remotely with low attack complexity, potentially leading to complete compromise of confidentiality, integrity, and availability. While highly severe, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.18CPE matchmatch criteria
cpe:2.3:a:artifex:jbig2dec:*:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
15.1CPE matchmatch criteria
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.62%
Probability of exploitation in next 30 days
EPSS Percentile
83.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0262 is in the 74th percentile among its peer group of 36,897 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 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 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: jbig2dec-0:0.14-4.el8_2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.0 Update Services for SAP SolutionsFixed in: jbig2dec-0:0.14-4.el8_0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.1 Extended Update SupportFixed in: jbig2dec-0:0.14-4.el8_1
View patch

Vendor Advisories (1)

redhatCVE-2020-12268Important

jbig2dec: heap-based buffer overflow in jbig2_image_compose in jbig2_image.c

Jan 27, 2020

References

lists.opensuse.org / opensuse-security-announce/2020-05/msg00034.html
Mailing ListThird Party Advisory
bugs.chromium.org / p/oss-fuzz/issues/detail
ExploitThird Party Advisory
github.com / ArtifexSoftware/jbig2dec/commit/0726320a4b55078e9d8deb590e477d598b3da66e
PatchThird Party Advisory
github.com / ArtifexSoftware/jbig2dec/compare/0.17...0.18
Third Party Advisory
lists.debian.org / debian-lts-announce/2021/10/msg00023.html
Mailing ListThird Party Advisory