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Fencer Intel
medium 5.5

CVE-2020-35538 json

A crafted input file could cause a null pointer dereference in jcopy_sample_rows() when processed by libjpeg-turbo.

published 4y ago modified 7d ago also EUVD-2020-23205

cvss
5.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 21%
public exploits
0
none known

Summary

A crafted input file could cause a null pointer dereference in jcopy_sample_rows() when processed by libjpeg-turbo.

Patch / fix

  • libjpeg-turbo Debian 14, Debian 13, Debian 12 1:2.0.6-1

debian advisories DEBIAN-CVE-2020-35538

  • 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

ubuntu advisories UBUNTU-CVE-2020-35538

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 SLE Module for Package Hub 15 SP3, SLE Module for Desktop Applications 15 SP3, SLE Module for Basesystem 15 SP3 +4 more 1.5.3-150000.32.5.1
  • libjpeg62-turbo SLE Module for Basesystem 15 SP3, openSUSE Leap 15.4, openSUSE Leap 15.3 1.5.3-150000.32.5.1
  • libjpeg-turbo SLES for SAP 12 SP5, SLES 12 SP5, SLE Software Development Kit 12 SP5 1.5.3-31.28.1
  • libjpeg62-turbo SLES for SAP 12 SP5, SLES 12 SP5, SLE Software Development Kit 12 SP5 1.5.3-31.28.1

suse advisories SUSE-SU-2022:3523-1SUSE-SU-2022:3475-1

  • libjpeg-turbo Alpine 3.24, Alpine 3.23, Alpine 3.22 +5 more 2.0.6-r0

alpine advisories ALPINE-CVE-2020-35538

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • libjpeg-turbo CBL-Mariner 2.0 2.1.4-1

azure linux advisories AZL-10824

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

Is CVE-2020-35538 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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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-2020-35538 updated cvss 5.5

libjpeg-turbo: Null pointer dereference in jcopy_sample_rows() function

  • Red Hat Enterprise Linux 8 turbojpeg, libjpeg-turbo, libjpeg-turbo-utils
    affected: no fix available “Fix deferred”
  • Red Hat Enterprise Linux 6 libjpeg-turbo Red Hat Enterprise Linux 7 turbojpeg, libjpeg-turbo, libjpeg-turbo-utils 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

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
7d ago

Exploit prediction

0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected products

  • n/a libjpeg-turbo

Classification

Weakness

References

Sources

Fencer Intel 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.