CVE-2020-12268: artifex jbig2dec Out-of-bounds Write
Vulnerability summary
CVE-2020-12268 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in artifex jbig2dec. EPSS estimates a 2.74% chance of exploitation in the next 30 days, higher than 86.1% of scored vulnerabilities. 1 public exploit is recorded.
Public exploit (reference, Date unknown)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 3 · Related 2Timeline
- 27-04-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
jbig2_image_compose in jbig2_image.c in Artifex jbig2dec before 0.18 has a heap-based buffer overflow.
CVSS metrics
6 scores · 5 sources · 2 versions- OSV · AlpineEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · Red hatEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
2.74%
Chance of exploitation in the next 30 days
Percentile
86%
Versus all other CVEs
30-day change
No change 0.00 pp
From 2.74% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
1 foundExploit Reference (bugs.chromium.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Suse48 products
- ghostscript&distro=HPE Helion OpenStack 8< 9.52-23.34.1
- ghostscript&distro=SUSE Enterprise Storage 5< 9.52-23.34.1
- ghostscript&distro=SUSE Linux Enterprise High Performance Computing 15-ESPOS< 9.52-3.27.2
- ghostscript&distro=SUSE Linux Enterprise High Performance Computing 15-LTSS< 9.52-3.27.2
- ghostscript&distro=SUSE Linux Enterprise Module for Basesystem 15 SP1< 9.52-3.27.2
Redhat5 products
- jbig2dec< 0:0.14-4.el8_2 | < 0:0.14-4.el8_1 | < 0:0.14-4.el8_0
- jbig2dec-debuginfo< 0:0.14-4.el8_2 | < 0:0.14-4.el8_1 | < 0:0.14-4.el8_0
- jbig2dec-debugsource< 0:0.14-4.el8_2 | < 0:0.14-4.el8_1 | < 0:0.14-4.el8_0
- jbig2dec-libs< 0:0.14-4.el8_2 | < 0:0.14-4.el8_1 | < 0:0.14-4.el8_0
- jbig2dec-libs-debuginfo< 0:0.14-4.el8_2 | < 0:0.14-4.el8_1 | < 0:0.14-4.el8_0
Opensuse4 products
- leapEOL15.1
- ghostscript-mini&distro=openSUSE Leap 15.1< 9.52-lp151.3.12.1
- ghostscript&distro=openSUSE Leap 15.1< 9.52-lp151.3.12.1
- libspectre&distro=openSUSE Leap 15.1< 0.2.8-lp151.3.3.1
Debian2 products
- jbig2dec< 0.18-1
- debian_linuxEOL9.0
Alpine1 product
- jbig2dec< 0.16-r1 | < 0.18-r0 | < 0.15-r1
Artifex1 product
- jbig2dec< 0.18
Mageia1 product
- jbig2dec< 0.18-1.mga7
Ubuntu1 product
- jbig2decAll versions (No fix recorded) | < 0.12+20150918-1ubuntu0.1+esm2
8 vendors · 63 products
References
28 links- bugs.chromium.org/p/oss-fuzz/issues/detail?id=20332X Refsource MISCREPORTExploitThird Party Advisory
- github.com/ArtifexSoftware/jbig2dec/commit/0726320a4b55078e9d8deb590e477d598b3da66eX Refsource MISCREPORTPatchThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-05/msg00034.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
lists.debian.org/debian-lts-announce/2021/10/msg00023.htmlMailing ListX Refsource MLISTThird Party Advisory
Show all 28 references
- lists.opensuse.org/archives/…Advisory