CVE-2020-12268

Name: CVE-2020-12268
Creator: NVD / NIST
Published: 2020-04-27T02:15:12.617+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.62%

Last modified Jun 17, 2026

CVE-2020-12268 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. jbig2_image_compose in jbig2_image.c in Artifex jbig2dec before 0.18 has a heap-based buffer overflow.. EPSS estimates a 2.62% chance of exploitation in the next 30 days.

Description

jbig2_image_compose in jbig2_image.c in Artifex jbig2dec before 0.18 has a heap-based buffer overflow.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

2.62%

83.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Artifex	Jbig2dec	< 0.18
Debian	Debian Linux	9.0
Opensuse	Leap	15.1

References

http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00034.htmlMailing List, Third Party Advisory
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20332Exploit, Third Party Advisory
https://github.com/ArtifexSoftware/jbig2dec/commit/0726320a4b55078e9d8deb590e477d598b3da66ePatch, Third Party Advisory
https://github.com/ArtifexSoftware/jbig2dec/compare/0.17...0.18Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/10/msg00023.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00034.htmlMailing List, Third Party Advisory
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20332Exploit, Third Party Advisory
https://github.com/ArtifexSoftware/jbig2dec/commit/0726320a4b55078e9d8deb590e477d598b3da66ePatch, Third Party Advisory
https://github.com/ArtifexSoftware/jbig2dec/compare/0.17...0.18Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/10/msg00023.htmlMailing List, Third Party Advisory

Timeline

Published: Apr 27, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-12268?

jbig2_image_compose in jbig2_image.c in Artifex jbig2dec before 0.18 has a heap-based buffer overflow.

How severe is CVE-2020-12268?

CVE-2020-12268 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.62% probability of exploitation in the next 30 days.

How do I fix CVE-2020-12268?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-12268?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST