CVE catalog

CVE-2020-6851

openjpeg2: CVE-2020-6851

Severity: High · CVSS 8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: Jan 12, 2020, 11:00:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 5.29% · Oct 25, 2026

OpenJPEG through 2.3.1 has a heap-based buffer overflow in opj_t1_clbl_decode_processor in openjp2/t1.c because of lack of opj_j2k_update_image_dimensions validation.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	openjpeg2	sid	`2.5.4-1.1`	fixed
Debian	openjpeg2	forky	`2.5.4-1.1`	fixed
Debian	openjpeg2	trixie	`2.5.3-2.1~deb13u2`	fixed
Debian	openjpeg2	trixie-security	`2.5.3-2.1~deb13u2`	fixed
Debian	openjpeg2	bookworm	`2.5.0-2+deb12u3`	fixed
Debian	openjpeg2	bookworm-security	`2.5.0-2+deb12u3`	fixed
Cpe	openjpeg	Not reported	Not reported	unknown
Cpe	fedora	Not reported	Not reported	unknown
Cpe	debian_linux	Not reported	Not reported	unknown
Cpe	enterprise_linux	Not reported	Not reported	unknown
Cpe	enterprise_linux_desktop	Not reported	Not reported	unknown
Cpe	enterprise_linux_eus	Not reported	Not reported	unknown
Cpe	enterprise_linux_server	Not reported	Not reported	unknown
Cpe	enterprise_linux_server_aus	Not reported	Not reported	unknown
Cpe	enterprise_linux_server_tus	Not reported	Not reported	unknown
Cpe	enterprise_linux_workstation	Not reported	Not reported	unknown
Suse	libheif	linux enterprise module for desktop applications 15 sp7	`1.23.5-150700.3.24.1`	fixed
Suse	libheif	linux enterprise module for package hub 15 sp7	`1.23.5-150700.3.24.1`	fixed
Opensuse	libheif	tumbleweed	`1.23.5-1.1`	fixed
Alpine	openjpeg	3.10	`2.3.1-r3`	fixed
Alpine	openjpeg	3.11	`2.3.1-r3`	fixed
Alpine	openjpeg	3.12	`2.3.1-r3`	fixed
Alpine	openjpeg	3.13	`2.3.1-r3`	fixed
Alpine	openjpeg	3.14	`2.3.1-r3`	fixed
Alpine	openjpeg	3.15	`2.3.1-r3`	fixed
Alpine	openjpeg	3.16	`2.3.1-r3`	fixed
Alpine	openjpeg	3.17	`2.3.1-r3`	fixed
Alpine	openjpeg	3.18	`2.3.1-r3`	fixed
Alpine	openjpeg	3.19	`2.3.1-r3`	fixed
Alpine	openjpeg	3.20	`2.3.1-r3`	fixed
Alpine	openjpeg	3.21	`2.3.1-r3`	fixed
Alpine	openjpeg	3.22	`2.3.1-r3`	fixed
Alpine	openjpeg	3.23	`2.3.1-r3`	fixed
Alpine	openjpeg	3.24	`2.3.1-r3`	fixed
Alpine	openjpeg	3.8	`2.3.0-r4`	fixed
Alpine	openjpeg	3.9	`2.3.0-r5`	fixed
Suse	libheif	linux enterprise server 16.0	`1.23.5-160000.1.1`	fixed
Suse	libheif	linux enterprise server for sap applications 16.0	`1.23.5-160000.1.1`	fixed
Opensuse	libheif	leap 16.0	`1.23.5-160000.1.1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	openjpeg2	source	sid	`2.4.0-1`	not yet assigned	Not reported	[950000]
Debian	openjpeg2	source	forky	`2.4.0-1`	not yet assigned	Not reported	[950000]
Debian	openjpeg2	source	trixie	`2.4.0-1`	not yet assigned	Not reported	[950000]
Debian	openjpeg2	source	bookworm	`2.4.0-1`	not yet assigned	Not reported	[950000]
Suse	libheif	rpm	linux enterprise module for desktop applications 15 sp7	`1.23.5-150700.3.24.1`	Not reported	SUSE-SU-2026:4378-1	Not reported
Suse	libheif	rpm	linux enterprise module for package hub 15 sp7	`1.23.5-150700.3.24.1`	Not reported	SUSE-SU-2026:4378-1	Not reported
Opensuse	libheif	rpm	tumbleweed	`1.23.5-1.1`	Not reported	OPENSUSE-SU-2026:11859-1	Not reported
Alpine	openjpeg	apk	3.10	`2.3.1-r3`	Not reported	ALPINE-CVE-2020-6851	Not reported
Alpine	openjpeg	apk	3.11	`2.3.1-r3`	Not reported	ALPINE-CVE-2020-6851	Not reported
Alpine	openjpeg	apk	3.12	`2.3.1-r3`	Not reported	ALPINE-CVE-2020-6851	Not reported
Alpine	openjpeg	apk	3.13	`2.3.1-r3`	Not reported	ALPINE-CVE-2020-6851	Not reported
Alpine	openjpeg	apk	3.14	`2.3.1-r3`	Not reported	ALPINE-CVE-2020-6851	Not reported
Alpine	openjpeg	apk	3.15	`2.3.1-r3`	Not reported	ALPINE-CVE-2020-6851	Not reported
Alpine	openjpeg	apk	3.16	`2.3.1-r3`	Not reported	ALPINE-CVE-2020-6851	Not reported
Alpine	openjpeg	apk	3.17	`2.3.1-r3`	Not reported	ALPINE-CVE-2020-6851	Not reported
Alpine	openjpeg	apk	3.18	`2.3.1-r3`	Not reported	ALPINE-CVE-2020-6851	Not reported
Alpine	openjpeg	apk	3.19	`2.3.1-r3`	Not reported	ALPINE-CVE-2020-6851	Not reported
Alpine	openjpeg	apk	3.20	`2.3.1-r3`	Not reported	ALPINE-CVE-2020-6851	Not reported
Alpine	openjpeg	apk	3.21	`2.3.1-r3`	Not reported	ALPINE-CVE-2020-6851	Not reported
Alpine	openjpeg	apk	3.22	`2.3.1-r3`	Not reported	ALPINE-CVE-2020-6851	Not reported
Alpine	openjpeg	apk	3.23	`2.3.1-r3`	Not reported	ALPINE-CVE-2020-6851	Not reported
Alpine	openjpeg	apk	3.24	`2.3.1-r3`	Not reported	ALPINE-CVE-2020-6851	Not reported
Alpine	openjpeg	apk	3.8	`2.3.0-r4`	Not reported	ALPINE-CVE-2020-6851	Not reported
Alpine	openjpeg	apk	3.9	`2.3.0-r5`	Not reported	ALPINE-CVE-2020-6851	Not reported
Suse	libheif	rpm	linux enterprise server 16.0	`1.23.5-160000.1.1`	Not reported	SUSE-SU-2026:24205-1	Not reported
Suse	libheif	rpm	linux enterprise server for sap applications 16.0	`1.23.5-160000.1.1`	Not reported	SUSE-SU-2026:24205-1	Not reported
Opensuse	libheif	rpm	leap 16.0	`1.23.5-160000.1.1`	Not reported	OPENSUSE-SU-2026:22052-1	Not reported

[Debian bug #950000]

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

[libopenjp2-7]Unknown
Source package: [openjpeg2]
Details (4)
- 2.5.0-2+deb12u3 · amd64 · bookworm
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · bookworm; dsa · openjpeg2 · debian · 12
- 2.5.0-2+deb12u3 · arm64 · bookworm
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · bookworm; dsa · openjpeg2 · debian · 12
- 2.5.0-2+deb12u3 · amd64 · bookworm-security
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · bookworm; dsa · openjpeg2 · debian · 12
- 2.5.0-2+deb12u3 · arm64 · bookworm-security
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · bookworm; dsa · openjpeg2 · debian · 12
[libopenjp2-7-dev]Unknown
Source package: [openjpeg2]
Details (4)
- 2.5.0-2+deb12u3 · amd64 · bookworm
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · bookworm; dsa · openjpeg2 · debian · 12
- 2.5.0-2+deb12u3 · arm64 · bookworm
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · bookworm; dsa · openjpeg2 · debian · 12
- 2.5.0-2+deb12u3 · amd64 · bookworm-security
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · bookworm; dsa · openjpeg2 · debian · 12
- 2.5.0-2+deb12u3 · arm64 · bookworm-security
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · bookworm; dsa · openjpeg2 · debian · 12
[libopenjp2-tools]Unknown
Source package: [openjpeg2]
Details (4)
- 2.5.0-2+deb12u3 · amd64 · bookworm
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · bookworm; dsa · openjpeg2 · debian · 12
- 2.5.0-2+deb12u3 · arm64 · bookworm
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · bookworm; dsa · openjpeg2 · debian · 12
- 2.5.0-2+deb12u3 · amd64 · bookworm-security
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · bookworm; dsa · openjpeg2 · debian · 12
- 2.5.0-2+deb12u3 · arm64 · bookworm-security
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · bookworm; dsa · openjpeg2 · debian · 12
[libopenjpip7]Unknown
Source package: [openjpeg2]
Details (4)
- 2.5.0-2+deb12u3 · amd64 · bookworm
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · bookworm; dsa · openjpeg2 · debian · 12
- 2.5.0-2+deb12u3 · arm64 · bookworm
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · bookworm; dsa · openjpeg2 · debian · 12
- 2.5.0-2+deb12u3 · amd64 · bookworm-security
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · bookworm; dsa · openjpeg2 · debian · 12
- 2.5.0-2+deb12u3 · arm64 · bookworm-security
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · bookworm; dsa · openjpeg2 · debian · 12
[libopenjpip-dec-server]Unknown
Source package: [openjpeg2]
Details (4)
- 2.5.0-2+deb12u3 · amd64 · bookworm
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · bookworm; dsa · openjpeg2 · debian · 12
- 2.5.0-2+deb12u3 · arm64 · bookworm
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · bookworm; dsa · openjpeg2 · debian · 12
- 2.5.0-2+deb12u3 · amd64 · bookworm-security
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · bookworm; dsa · openjpeg2 · debian · 12
- 2.5.0-2+deb12u3 · arm64 · bookworm-security
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · bookworm; dsa · openjpeg2 · debian · 12
[libopenjpip-server]Unknown
Source package: [openjpeg2]
Details (4)
- 2.5.0-2+deb12u3 · amd64 · bookworm
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · bookworm; dsa · openjpeg2 · debian · 12
- 2.5.0-2+deb12u3 · arm64 · bookworm
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · bookworm; dsa · openjpeg2 · debian · 12
- 2.5.0-2+deb12u3 · amd64 · bookworm-security
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · bookworm; dsa · openjpeg2 · debian · 12
- 2.5.0-2+deb12u3 · arm64 · bookworm-security
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · bookworm; dsa · openjpeg2 · debian · 12
[libopenjpip-viewer]Unknown
Source package: [openjpeg2]
Details (4)
- 2.5.0-2+deb12u3 · all · bookworm
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · bookworm; dsa · openjpeg2 · debian · 12
- 2.5.0-2+deb12u3 · all · bookworm
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · bookworm; dsa · openjpeg2 · debian · 12
- 2.5.0-2+deb12u3 · all · bookworm-security
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · bookworm; dsa · openjpeg2 · debian · 12
- 2.5.0-2+deb12u3 · all · bookworm-security
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · bookworm; dsa · openjpeg2 · debian · 12
[openjpeg-doc]Unknown
Source package: [openjpeg2]
Details (4)
- 2.5.0-2+deb12u3 · all · bookworm
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · bookworm; dsa · openjpeg2 · debian · 12
- 2.5.0-2+deb12u3 · all · bookworm
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · bookworm; dsa · openjpeg2 · debian · 12
- 2.5.0-2+deb12u3 · all · bookworm-security
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · bookworm; dsa · openjpeg2 · debian · 12
- 2.5.0-2+deb12u3 · all · bookworm-security
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · bookworm; dsa · openjpeg2 · debian · 12

[Debian 13 (Trixie)]

[libopenjp2-7]Unknown
Source package: [openjpeg2]
Details (4)
- 2.5.3-2.1~deb13u2 · amd64 · trixie
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · 13
- 2.5.3-2.1~deb13u2 · arm64 · trixie
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · 13
- 2.5.3-2.1~deb13u2 · amd64 · trixie-security
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · 13
- 2.5.3-2.1~deb13u2 · arm64 · trixie-security
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · 13
[libopenjp2-7-dev]Unknown
Source package: [openjpeg2]
Details (4)
- 2.5.3-2.1~deb13u2 · amd64 · trixie
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · 13
- 2.5.3-2.1~deb13u2 · arm64 · trixie
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · 13
- 2.5.3-2.1~deb13u2 · amd64 · trixie-security
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · 13
- 2.5.3-2.1~deb13u2 · arm64 · trixie-security
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · 13
[libopenjp2-tools]Unknown
Source package: [openjpeg2]
Details (4)
- 2.5.3-2.1~deb13u2 · amd64 · trixie
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · 13
- 2.5.3-2.1~deb13u2 · arm64 · trixie
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · 13
- 2.5.3-2.1~deb13u2 · amd64 · trixie-security
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · 13
- 2.5.3-2.1~deb13u2 · arm64 · trixie-security
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · 13
[libopenjpip7]Unknown
Source package: [openjpeg2]
Details (4)
- 2.5.3-2.1~deb13u2 · amd64 · trixie
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · 13
- 2.5.3-2.1~deb13u2 · arm64 · trixie
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · 13
- 2.5.3-2.1~deb13u2 · amd64 · trixie-security
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · 13
- 2.5.3-2.1~deb13u2 · arm64 · trixie-security
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · 13
[libopenjpip-dec-server]Unknown
Source package: [openjpeg2]
Details (4)
- 2.5.3-2.1~deb13u2 · amd64 · trixie
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · 13
- 2.5.3-2.1~deb13u2 · arm64 · trixie
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · 13
- 2.5.3-2.1~deb13u2 · amd64 · trixie-security
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · 13
- 2.5.3-2.1~deb13u2 · arm64 · trixie-security
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · 13
[libopenjpip-viewer]Unknown
Source package: [openjpeg2]
Details (4)
- 2.5.3-2.1~deb13u2 · all · trixie
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · 13
- 2.5.3-2.1~deb13u2 · all · trixie
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · 13
- 2.5.3-2.1~deb13u2 · all · trixie-security
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · 13
- 2.5.3-2.1~deb13u2 · all · trixie-security
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · 13
[openjpeg-doc]Unknown
Source package: [openjpeg2]
Details (4)
- 2.5.3-2.1~deb13u2 · all · trixie
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · 13
- 2.5.3-2.1~deb13u2 · all · trixie
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · 13
- 2.5.3-2.1~deb13u2 · all · trixie-security
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · 13
- 2.5.3-2.1~deb13u2 · all · trixie-security
  Fixed · Fixed: 2.4.0-1
  dsa · openjpeg2 · debian · 13

[openSUSE Tumbleweed]

[gdk-pixbuf-loader-libheif]Unknown
Source package: [libheif]
Details (1)
- 1.23.1-2.1 · x86_64 · tumbleweed
  Unknown · Fixed: 1.23.5-1.1
  Version impact unknown
  dsa · libheif · opensuse · tumbleweed
[libheif1]Unknown
Source package: [libheif]
Details (1)
- 1.23.1-2.1 · x86_64 · tumbleweed
  Unknown · Fixed: 1.23.5-1.1
  Version impact unknown
  dsa · libheif · opensuse · tumbleweed
[libheif1-32bit]Unknown
Source package: [libheif]
Details (1)
- 1.23.1-2.1 · x86_64 · tumbleweed
  Unknown · Fixed: 1.23.5-1.1
  Version impact unknown
  dsa · libheif · opensuse · tumbleweed
[libheif-aom]Unknown
Source package: [libheif]
Details (1)
- 1.23.1-2.1 · x86_64 · tumbleweed
  Unknown · Fixed: 1.23.5-1.1
  Version impact unknown
  dsa · libheif · opensuse · tumbleweed
[libheif-dav1d]Unknown
Source package: [libheif]
Details (1)
- 1.23.1-2.1 · x86_64 · tumbleweed
  Unknown · Fixed: 1.23.5-1.1
  Version impact unknown
  dsa · libheif · opensuse · tumbleweed

Next results

Observed: Oct 23, 2026, 5:53:15 PM UTC

References

[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]