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Vulnerabilities

Vulnerability · CVE-2020-35538

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

Published Aug 31, 2022 · catalog updated Nov 2, 2026 · A crafted input file

Last checked Nov 5, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2020-35538. EPSS is 0.29%. Act only if a listed version of A crafted input file is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (A crafted input file).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.29%
Remediation
Advisory link
Affected products
cpe libjpeg-turbo/libjpeg-turbo

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

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe libjpeg-turbo/libjpeg-turbo2.0.5

How to fix CVE-2020-35538

  • No stored fix

    No vendor fix text is stored. Use the linked advisory before you change production.

  • Version check

    Seen in 2.0.5

  • Advisory

    Open the cve_org record and follow its fix.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2020-35538. EPSS is 0.29%. Act only if a listed version of A crafted input file is installed.

Which versions are affected?

Compare what you have installed with 2.0.5. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-476: NULL Pointer Dereference. EPSS 0.29%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 31, 2022 · NIST NVD

    Detected

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

  2. Nov 2, 2026 · NIST NVD

    Updated

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

Sources

  • CVE.orgVulnerability recordCVE-2020-35538

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2020-35538

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

    nvd.nist.gov

References

Freshness

Last verified in this catalog Nov 5, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgNov 4, 2026
  • NIST NVDNov 2, 2026