CVE catalog

CVE-2020-36328

libwebp: CVE-2020-36328

Severity: Critical · CVSS 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: Dec 31, 2020, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 2.66% · Oct 25, 2026

A flaw was found in libwebp in versions before 1.0.1. A heap-based buffer overflow in function WebPDecodeRGBInto is possible due to an invalid check for buffer size. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

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	libwebp	sid	`1.6.0-0.1`	fixed
Debian	libwebp	forky	`1.6.0-0.1`	fixed
Debian	libwebp	trixie	`1.5.0-0.1`	fixed
Debian	libwebp	bookworm	`1.2.4-0.2+deb12u1`	fixed
Debian	libwebp	bookworm-security	`1.2.4-0.2+deb12u1`	fixed
Ubuntu	libwebp	pro	`0.4.3-1.3`	vulnerable
Ubuntu	libwebp	pro	`0.4.3-1.3build1`	vulnerable
Ubuntu	libwebp	pro	`0.4.4-1`	vulnerable
Ubuntu	libwebp	pro	`0.4.4-1ubuntu0.1~esm1`	fixed
Ubuntu	libwebp	18.04	`0.6.0-3`	vulnerable
Ubuntu	libwebp	18.04	`0.6.0-4`	vulnerable
Ubuntu	libwebp	18.04	`0.6.1-1`	vulnerable
Ubuntu	libwebp	18.04	`0.6.1-2`	vulnerable
Ubuntu	libwebp	18.04	`0.6.1-2ubuntu0.18.04.1`	fixed
Ubuntu	libwebp	20.04	`0.6.1-2`	vulnerable
Ubuntu	libwebp	20.04	`0.6.1-2ubuntu0.20.04.1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	libwebp	source	sid	`0.6.1-2.1`	not yet assigned	Not reported	Not reported
Debian	libwebp	source	forky	`0.6.1-2.1`	not yet assigned	Not reported	Not reported
Debian	libwebp	source	trixie	`0.6.1-2.1`	not yet assigned	Not reported	Not reported
Debian	libwebp	source	bookworm	`0.6.1-2.1`	not yet assigned	Not reported	Not reported
Ubuntu	libwebp	deb	pro	`0.4.4-1ubuntu0.1~esm1`	Not reported	UBUNTU-CVE-2020-36328	Not reported
Ubuntu	libwebp	deb	18.04	`0.6.1-2ubuntu0.18.04.1`	Not reported	UBUNTU-CVE-2020-36328	Not reported
Ubuntu	libwebp	deb	20.04	`0.6.1-2ubuntu0.20.04.1`	Not reported	UBUNTU-CVE-2020-36328	Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[libsharpyuv0]Fixed
Source package: [libwebp]
Details (2)
- 1.5.0-0.1~bpo12+1 · amd64 · bookworm-backports
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · bookworm; dsa · libwebp · debian · 12
- 1.5.0-0.1~bpo12+1 · arm64 · bookworm-backports
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · bookworm; dsa · libwebp · debian · 12
[libsharpyuv-dev]Fixed
Source package: [libwebp]
Details (2)
- 1.5.0-0.1~bpo12+1 · amd64 · bookworm-backports
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · bookworm; dsa · libwebp · debian · 12
- 1.5.0-0.1~bpo12+1 · arm64 · bookworm-backports
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · bookworm; dsa · libwebp · debian · 12
[libwebp7]Fixed
Source package: [libwebp]
Details (6)
- 1.2.4-0.2+deb12u1 · amd64 · bookworm
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · bookworm; dsa · libwebp · debian · 12
- 1.2.4-0.2+deb12u1 · arm64 · bookworm
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · bookworm; dsa · libwebp · debian · 12
- 1.5.0-0.1~bpo12+1 · amd64 · bookworm-backports
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · bookworm; dsa · libwebp · debian · 12
- 1.5.0-0.1~bpo12+1 · arm64 · bookworm-backports
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · bookworm; dsa · libwebp · debian · 12
- 1.2.4-0.2+deb12u1 · amd64 · bookworm-security
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · bookworm; dsa · libwebp · debian · 12
- 1.2.4-0.2+deb12u1 · arm64 · bookworm-security
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · bookworm; dsa · libwebp · debian · 12
[libwebpdecoder3]Fixed
Source package: [libwebp]
Details (2)
- 1.5.0-0.1~bpo12+1 · amd64 · bookworm-backports
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · bookworm; dsa · libwebp · debian · 12
- 1.5.0-0.1~bpo12+1 · arm64 · bookworm-backports
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · bookworm; dsa · libwebp · debian · 12
[libwebpdemux2]Fixed
Source package: [libwebp]
Details (6)
- 1.2.4-0.2+deb12u1 · amd64 · bookworm
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · bookworm; dsa · libwebp · debian · 12
- 1.2.4-0.2+deb12u1 · arm64 · bookworm
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · bookworm; dsa · libwebp · debian · 12
- 1.5.0-0.1~bpo12+1 · amd64 · bookworm-backports
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · bookworm; dsa · libwebp · debian · 12
- 1.5.0-0.1~bpo12+1 · arm64 · bookworm-backports
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · bookworm; dsa · libwebp · debian · 12
- 1.2.4-0.2+deb12u1 · amd64 · bookworm-security
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · bookworm; dsa · libwebp · debian · 12
- 1.2.4-0.2+deb12u1 · arm64 · bookworm-security
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · bookworm; dsa · libwebp · debian · 12
[libwebp-dev]Fixed
Source package: [libwebp]
Details (6)
- 1.2.4-0.2+deb12u1 · amd64 · bookworm
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · bookworm; dsa · libwebp · debian · 12
- 1.2.4-0.2+deb12u1 · arm64 · bookworm
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · bookworm; dsa · libwebp · debian · 12
- 1.5.0-0.1~bpo12+1 · amd64 · bookworm-backports
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · bookworm; dsa · libwebp · debian · 12
- 1.5.0-0.1~bpo12+1 · arm64 · bookworm-backports
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · bookworm; dsa · libwebp · debian · 12
- 1.2.4-0.2+deb12u1 · amd64 · bookworm-security
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · bookworm; dsa · libwebp · debian · 12
- 1.2.4-0.2+deb12u1 · arm64 · bookworm-security
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · bookworm; dsa · libwebp · debian · 12
[libwebpmux3]Fixed
Source package: [libwebp]
Details (6)
- 1.2.4-0.2+deb12u1 · amd64 · bookworm
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · bookworm; dsa · libwebp · debian · 12
- 1.2.4-0.2+deb12u1 · arm64 · bookworm
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · bookworm; dsa · libwebp · debian · 12
- 1.5.0-0.1~bpo12+1 · amd64 · bookworm-backports
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · bookworm; dsa · libwebp · debian · 12
- 1.5.0-0.1~bpo12+1 · arm64 · bookworm-backports
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · bookworm; dsa · libwebp · debian · 12
- 1.2.4-0.2+deb12u1 · amd64 · bookworm-security
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · bookworm; dsa · libwebp · debian · 12
- 1.2.4-0.2+deb12u1 · arm64 · bookworm-security
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · bookworm; dsa · libwebp · debian · 12
[webp]Fixed
Source package: [libwebp]
Details (6)
- 1.2.4-0.2+deb12u1 · amd64 · bookworm
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · bookworm; dsa · libwebp · debian · 12
- 1.2.4-0.2+deb12u1 · arm64 · bookworm
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · bookworm; dsa · libwebp · debian · 12
- 1.5.0-0.1~bpo12+1 · amd64 · bookworm-backports
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · bookworm; dsa · libwebp · debian · 12
- 1.5.0-0.1~bpo12+1 · arm64 · bookworm-backports
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · bookworm; dsa · libwebp · debian · 12
- 1.2.4-0.2+deb12u1 · amd64 · bookworm-security
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · bookworm; dsa · libwebp · debian · 12
- 1.2.4-0.2+deb12u1 · arm64 · bookworm-security
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · bookworm; dsa · libwebp · debian · 12

[Debian 13 (Trixie)]

[libsharpyuv0]Fixed
Source package: [libwebp]
Details (2)
- 1.5.0-0.1 · amd64 · trixie
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · 13
- 1.5.0-0.1 · arm64 · trixie
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · 13
[libsharpyuv-dev]Fixed
Source package: [libwebp]
Details (2)
- 1.5.0-0.1 · amd64 · trixie
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · 13
- 1.5.0-0.1 · arm64 · trixie
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · 13
[libwebp7]Fixed
Source package: [libwebp]
Details (2)
- 1.5.0-0.1 · amd64 · trixie
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · 13
- 1.5.0-0.1 · arm64 · trixie
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · 13
[libwebpdecoder3]Fixed
Source package: [libwebp]
Details (2)
- 1.5.0-0.1 · amd64 · trixie
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · 13
- 1.5.0-0.1 · arm64 · trixie
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · 13
[libwebpdemux2]Fixed
Source package: [libwebp]
Details (2)
- 1.5.0-0.1 · amd64 · trixie
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · 13
- 1.5.0-0.1 · arm64 · trixie
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · 13
[libwebp-dev]Fixed
Source package: [libwebp]
Details (2)
- 1.5.0-0.1 · amd64 · trixie
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · 13
- 1.5.0-0.1 · arm64 · trixie
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · 13
[libwebpmux3]Fixed
Source package: [libwebp]
Details (2)
- 1.5.0-0.1 · amd64 · trixie
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · 13
- 1.5.0-0.1 · arm64 · trixie
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · 13
[webp]Fixed
Source package: [libwebp]
Details (2)
- 1.5.0-0.1 · amd64 · trixie
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · 13
- 1.5.0-0.1 · arm64 · trixie
  Fixed · Fixed: 0.6.1-2.1
  dsa · libwebp · debian · 13

Observed: Oct 23, 2026, 5:51:47 PM UTC

References

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