CVE catalog

CVE-2020-27845

openjpeg2 affected and fixed versions

There's a flaw in src/lib/openjp2/pi.c of openjpeg in versions prior to 2.4.0. If an attacker is able to provide untrusted input to openjpeg's conversion/encoding functionality, they could cause an out-of-bounds read. The highest impact of this flaw is to application availability.

Severity: Medium · CVSS 5.5CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Published: Dec 2, 2020, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 1.52% · Oct 27, 2026

Projects and upstream resources

[openjpeg2][Source-reported homepage]

Reported versions and fixes

Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.

Distribution / release	Package	Version	Status	Source
Debiantrixie-security	openjpeg2	`2.5.3-2.1~deb13u2`	Fixed	[CVE-2020-27845]
Debiantrixie	openjpeg2	`2.4.0-1`	FixedDistribution-reported fixed boundary	[CVE-2020-27845]
Debiantrixie	openjpeg2	`2.5.3-2.1~deb13u2`	Fixed	[CVE-2020-27845]
Debiansid	openjpeg2	`2.4.0-1`	FixedDistribution-reported fixed boundary	[CVE-2020-27845]
Debiansid	openjpeg2	`2.5.4-1.1`	Fixed	[CVE-2020-27845]
Debianforky	openjpeg2	`2.4.0-1`	FixedDistribution-reported fixed boundary	[CVE-2020-27845]
Debianforky	openjpeg2	`2.5.4-1.1`	Fixed	[CVE-2020-27845]
Debianbookworm-security	openjpeg2	`2.5.0-2+deb12u3`	Fixed	[CVE-2020-27845]
Debianbookworm	openjpeg2	`2.4.0-1`	FixedDistribution-reported fixed boundary	[CVE-2020-27845]
Debianbookworm	openjpeg2	`2.5.0-2+deb12u3`	Fixed	[CVE-2020-27845]

Provider details and historical evidence

Distribution / release	Package	Version	Status	Source
Debianbookworm	openjpeg2	`2.4.0-1`	FixedDistribution-reported fixed boundary	[CVE-2020-27845]
Debianbookworm	openjpeg2	`2.5.0-2+deb12u3`	Fixed	[CVE-2020-27845]
Debianbookworm-security	openjpeg2	`2.5.0-2+deb12u3`	Fixed	[CVE-2020-27845]
Debianforky	openjpeg2	`2.4.0-1`	FixedDistribution-reported fixed boundary	[CVE-2020-27845]
Debianforky	openjpeg2	`2.5.4-1.1`	Fixed	[CVE-2020-27845]
Debiansid	openjpeg2	`2.4.0-1`	FixedDistribution-reported fixed boundary	[CVE-2020-27845]
Debiansid	openjpeg2	`2.5.4-1.1`	Fixed	[CVE-2020-27845]
Debiantrixie	openjpeg2	`2.4.0-1`	FixedDistribution-reported fixed boundary	[CVE-2020-27845]
Debiantrixie	openjpeg2	`2.5.3-2.1~deb13u2`	Fixed	[CVE-2020-27845]
Debiantrixie-security	openjpeg2	`2.5.3-2.1~deb13u2`	Fixed	[CVE-2020-27845]

Original provider fields

{
  "package_releases": [
    {
      "name": "openjpeg2",
      "status": "fixed",
      "release": "sid",
      "version": "2.5.4-1.1"
    },
    {
      "name": "openjpeg2",
      "status": "fixed",
      "release": "forky",
      "version": "2.5.4-1.1"
    },
    {
      "name": "openjpeg2",
      "status": "fixed",
      "release": "trixie",
      "version": "2.5.3-2.1~deb13u2"
    },
    {
      "name": "openjpeg2",
      "status": "fixed",
      "release": "trixie-security",
      "version": "2.5.3-2.1~deb13u2"
    },
    {
      "name": "openjpeg2",
      "status": "fixed",
      "release": "bookworm",
      "version": "2.5.0-2+deb12u3"
    },
    {
      "name": "openjpeg2",
      "status": "fixed",
      "release": "bookworm-security",
      "version": "2.5.0-2+deb12u3"
    }
  ],
  "fixed_versions": [
    {
      "bug": null,
      "name": "openjpeg2",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "not yet assigned",
      "fixed_version": "2.4.0-1"
    },
    {
      "bug": null,
      "name": "openjpeg2",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "not yet assigned",
      "fixed_version": "2.4.0-1"
    },
    {
      "bug": null,
      "name": "openjpeg2",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "not yet assigned",
      "fixed_version": "2.4.0-1"
    },
    {
      "bug": null,
      "name": "openjpeg2",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "not yet assigned",
      "fixed_version": "2.4.0-1"
    }
  ],
  "distribution_packages": []
}

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

Observed: Oct 23, 2026, 5:51:04 PM UTC

References

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