CVE catalog

CVE-2020-5311

pillow: CVE-2020-5311

Severity: Critical · CVSS 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: Jan 3, 2020, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 4.21% · Oct 25, 2026

libImaging/SgiRleDecode.c in Pillow before 6.2.2 has an SGI buffer overflow.

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	pillow	sid	`13.0.0-1`	fixed
Debian	pillow	forky	`12.3.0-1`	fixed
Debian	pillow	trixie	`11.1.0-5+deb13u4`	fixed
Debian	pillow	trixie-security	`11.1.0-5+deb13u3`	fixed
Debian	pillow	bookworm	`9.4.0-1.1+deb12u1`	fixed
Debian	pillow	bookworm-security	`9.4.0-1.1+deb12u1`	fixed
Alpine	py3-pillow	3.12	`6.2.2-r0`	fixed
Alpine	py3-pillow	3.13	`6.2.2-r0`	fixed
Alpine	py3-pillow	3.14	`6.2.2-r0`	fixed
Alpine	py3-pillow	3.15	`6.2.2-r0`	fixed
Ubuntu	pillow	18.04	`4.1.1-3build2`	vulnerable
Ubuntu	pillow	18.04	`4.3.0-2ubuntu1`	vulnerable
Ubuntu	pillow	18.04	`5.0.0-1`	vulnerable
Ubuntu	pillow	18.04	`5.1.0-1`	vulnerable
Ubuntu	pillow	18.04	`5.1.0-1ubuntu0.2`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	pillow	source	sid	`7.0.0-1`	not yet assigned	Not reported	[948224]
Debian	pillow	source	forky	`7.0.0-1`	not yet assigned	Not reported	[948224]
Debian	pillow	source	trixie	`7.0.0-1`	not yet assigned	Not reported	[948224]
Debian	pillow	source	bookworm	`7.0.0-1`	not yet assigned	Not reported	[948224]
Alpine	py3-pillow	apk	3.12	`6.2.2-r0`	Not reported	ALPINE-CVE-2020-5311	Not reported
Alpine	py3-pillow	apk	3.13	`6.2.2-r0`	Not reported	ALPINE-CVE-2020-5311	Not reported
Alpine	py3-pillow	apk	3.14	`6.2.2-r0`	Not reported	ALPINE-CVE-2020-5311	Not reported
Alpine	py3-pillow	apk	3.15	`6.2.2-r0`	Not reported	ALPINE-CVE-2020-5311	Not reported
Ubuntu	pillow	deb	18.04	`5.1.0-1ubuntu0.2`	Not reported	UBUNTU-CVE-2020-5311	Not reported

[Debian bug #948224]

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

[python3-pil]Unknown
Source package: [pillow]
Details (4)
- 9.4.0-1.1+deb12u1 · amd64 · bookworm
  Fixed · Fixed: 7.0.0-1
  dsa · pillow · debian · bookworm; dsa · pillow · debian · 12
- 9.4.0-1.1+deb12u1 · arm64 · bookworm
  Fixed · Fixed: 7.0.0-1
  dsa · pillow · debian · bookworm; dsa · pillow · debian · 12
- 9.4.0-1.1+deb12u1 · amd64 · bookworm-security
  Fixed · Fixed: 7.0.0-1
  dsa · pillow · debian · bookworm; dsa · pillow · debian · 12
- 9.4.0-1.1+deb12u1 · arm64 · bookworm-security
  Fixed · Fixed: 7.0.0-1
  dsa · pillow · debian · bookworm; dsa · pillow · debian · 12
[python3-pil.imagetk]Unknown
Source package: [pillow]
Details (4)
- 9.4.0-1.1+deb12u1 · amd64 · bookworm
  Fixed · Fixed: 7.0.0-1
  dsa · pillow · debian · bookworm; dsa · pillow · debian · 12
- 9.4.0-1.1+deb12u1 · arm64 · bookworm
  Fixed · Fixed: 7.0.0-1
  dsa · pillow · debian · bookworm; dsa · pillow · debian · 12
- 9.4.0-1.1+deb12u1 · amd64 · bookworm-security
  Fixed · Fixed: 7.0.0-1
  dsa · pillow · debian · bookworm; dsa · pillow · debian · 12
- 9.4.0-1.1+deb12u1 · arm64 · bookworm-security
  Fixed · Fixed: 7.0.0-1
  dsa · pillow · debian · bookworm; dsa · pillow · debian · 12
[python-pil-doc]Unknown
Source package: [pillow]
Details (4)
- 9.4.0-1.1+deb12u1 · all · bookworm
  Fixed · Fixed: 7.0.0-1
  dsa · pillow · debian · bookworm; dsa · pillow · debian · 12
- 9.4.0-1.1+deb12u1 · all · bookworm
  Fixed · Fixed: 7.0.0-1
  dsa · pillow · debian · bookworm; dsa · pillow · debian · 12
- 9.4.0-1.1+deb12u1 · all · bookworm-security
  Fixed · Fixed: 7.0.0-1
  dsa · pillow · debian · bookworm; dsa · pillow · debian · 12
- 9.4.0-1.1+deb12u1 · all · bookworm-security
  Fixed · Fixed: 7.0.0-1
  dsa · pillow · debian · bookworm; dsa · pillow · debian · 12

[Debian 13 (Trixie)]

[python3-pil]Unknown
Source package: [pillow]
Details (4)
- 11.1.0-5+deb13u4 · amd64 · trixie
  Fixed · Fixed: 7.0.0-1
  dsa · pillow · debian · 13
- 11.1.0-5+deb13u4 · arm64 · trixie
  Fixed · Fixed: 7.0.0-1
  dsa · pillow · debian · 13
- 11.1.0-5+deb13u3 · amd64 · trixie-security
  Fixed · Fixed: 7.0.0-1
  dsa · pillow · debian · 13
- 11.1.0-5+deb13u3 · arm64 · trixie-security
  Fixed · Fixed: 7.0.0-1
  dsa · pillow · debian · 13
[python3-pil.imagetk]Unknown
Source package: [pillow]
Details (4)
- 11.1.0-5+deb13u4 · amd64 · trixie
  Fixed · Fixed: 7.0.0-1
  dsa · pillow · debian · 13
- 11.1.0-5+deb13u4 · arm64 · trixie
  Fixed · Fixed: 7.0.0-1
  dsa · pillow · debian · 13
- 11.1.0-5+deb13u3 · amd64 · trixie-security
  Fixed · Fixed: 7.0.0-1
  dsa · pillow · debian · 13
- 11.1.0-5+deb13u3 · arm64 · trixie-security
  Fixed · Fixed: 7.0.0-1
  dsa · pillow · debian · 13
[python-pil-doc]Unknown
Source package: [pillow]
Details (4)
- 11.1.0-5+deb13u4 · all · trixie
  Fixed · Fixed: 7.0.0-1
  dsa · pillow · debian · 13
- 11.1.0-5+deb13u4 · all · trixie
  Fixed · Fixed: 7.0.0-1
  dsa · pillow · debian · 13
- 11.1.0-5+deb13u3 · all · trixie-security
  Fixed · Fixed: 7.0.0-1
  dsa · pillow · debian · 13
- 11.1.0-5+deb13u3 · all · trixie-security
  Fixed · Fixed: 7.0.0-1
  dsa · pillow · debian · 13

Observed: Oct 23, 2026, 5:52:52 PM UTC

References

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