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Fencer Vulns
high 8.8

CVE-2020-17541 json

Libjpeg-turbo all version have a stack-based buffer overflow in the "transform" component

published 2021-06-01 5 y ago modified 2026-07-18 3 mo ago also EUVD-2020-9472 , JLSEC-2025-179

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.7%
EPSS 2.7% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

Libjpeg-turbo all version have a stack-based buffer overflow in the "transform" component. A remote attacker can send a malformed jpeg file to the service and cause arbitrary code execution or denial of service of the target service.

Patch / fix

  • julia JpegTurbo_jll 2.1.0+0
  • libjpeg-turbo libjpeg-turbo 2.0.4
  • libjpeg-turbo Debian 14, Debian 13, Debian 12 1:2.0.5-1

debian advisories DEBIAN-CVE-2020-17541

  • libjpeg-turbo Ubuntu 18.04 LTS 1.5.2-0ubuntu5.18.04.6
  • libjpeg-turbo Ubuntu 20.04 LTS 2.0.3-0ubuntu1.20.04.3
  • libjpeg-turbo Ubuntu Pro 14.04 LTS 1.3.0-0ubuntu2.1+esm2
  • libjpeg-turbo Ubuntu Pro 16.04 LTS 1.4.2-0ubuntu3.4+esm1

ubuntu advisories UBUNTU-CVE-2020-17541

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • libjpeg-turbo RHEL 8 1.5.3-12.el8
  • turbojpeg RHEL 8 1.5.3-12.el8
  • libjpeg-turbo-utils RHEL 8 1.5.3-12.el8

red hat advisories RHSA-2021:4288

  • libjpeg-turbo SLE Module for Package Hub 15 SP3, SLE Module for Package Hub 15 SP2, SLE Module for Desktop Applications 15 SP3 +4 more 1.5.3-5.18.1
  • libjpeg62-turbo SLE Module for Basesystem 15 SP3, SLE Module for Basesystem 15 SP2 1.5.3-5.18.1
  • libjpeg-turbo SLES for SAP 12 SP5, SLES 12 SP5, SLE Software Development Kit 12 SP5 1.5.3-31.25.1
  • libjpeg62-turbo SLES for SAP 12 SP5, SLES 12 SP5, SLE Software Development Kit 12 SP5 1.5.3-31.25.1

suse advisories SUSE-SU-2021:1958-1SUSE-SU-2021:1957-1

  • libjpeg-turbo openSUSE Leap 15.3 1.5.3-5.18.1
  • libjpeg62-turbo openSUSE Leap 15.3 1.5.3-5.18.1
  • libjpeg-turbo openSUSE Leap 15.2 1.5.3-lp152.8.6.1
  • libjpeg62-turbo openSUSE Leap 15.2 1.5.3-lp152.8.6.1

opensuse advisories openSUSE-SU-2021:1958-1openSUSE-SU-2021:0892-1

  • libjpeg-turbo AlmaLinux 8 1.5.3-12.el8
  • turbojpeg AlmaLinux 8 1.5.3-12.el8
  • libjpeg-turbo-utils AlmaLinux 8 1.5.3-12.el8

almalinux advisories ALSA-2021:4288

  • libjpeg-turbo Rocky Linux 8 1.5.3-12.el8

rocky linux advisories RLSA-2021:4288

  • libjpeg-turbo CBL-Mariner 2.0 2.0.0-9

azure linux advisories AZL-6637

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2020-17541 updated cvss 8.8

libjpeg-turbo: Stack-based buffer overflow in the "transform" component

  • Red Hat Enterprise Linux 6 libjpeg-turbo Red Hat Enterprise Linux 7 turbojpeg, libjpeg-turbo, libjpeg-turbo-utils
    affected: workaround, no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 8 mingw32-libjpeg-turbo, mingw64-libjpeg-turbo
    affected: workaround, no fix available
  • Red Hat CodeReady Linux Builder (v. 8) turbojpeg-devel 1.5.3-12.el8, turbojpeg-debuginfo 1.5.3-12.el8, libjpeg-turbo-debuginfo 1.5.3-12.el8, libjpeg-turbo-debugsource 1.5.3-12.el8, libjpeg-turbo-utils-debuginfo 1.5.3-12.el8 Red Hat Enterprise Linux AppStream (v. 8) turbojpeg 1.5.3-12.el8, libjpeg-turbo 1.5.3-12.el8, libjpeg-turbo-utils 1.5.3-12.el8
    fixed: vendor fix RHSA-2021:4288
  • Red Hat Enterprise Linux 9 turbojpeg, libjpeg-turbo, libjpeg-turbo-utils
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.73% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/libjpeg-turbo/libjpeg-turbo/issues/392 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P
OSV 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
julia JpegTurbo_jll
<2.1.0+0
2.1.0+0

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.