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Vulnerabilities

Vulnerability · CVE-2026-20884

An integer overflow vulnerability exists in the deflate_dng_load_raw functionality of LibRaw Commit 8dc68e2.

Published Apr 7, 2026 · catalog updated Jun 17, 2026 · An integer overflow vulnerability

Check if you run it

No confirmed exploitation is on record for CVE-2026-20884. EPSS is 0.57%. Act only if a listed version of An integer overflow vulnerability is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (An integer overflow vulnerability).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.57%
Remediation
Not established
Affected products
cpe libraw/libraw

An integer overflow vulnerability exists in the deflate_dng_load_raw functionality of LibRaw Commit 8dc68e2. A specially crafted malicious file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.

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 libraw/libraw0.22.1

How to fix CVE-2026-20884

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-2026-20884. EPSS is 0.57%. Act only if a listed version of An integer overflow vulnerability is installed.

Which versions are affected?

Compare what you have installed with 0.22.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-190: Integer Overflow. EPSS 0.57%. 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.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 7, 2026 · NIST NVD

    Detected

    An integer overflow vulnerability exists in the deflate_dng_load_raw functionality of LibRaw Commit 8dc68e2. A specially crafted malicious file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.

  2. Jun 17, 2026 · NIST NVD

    Updated

    An integer overflow vulnerability exists in the deflate_dng_load_raw functionality of LibRaw Commit 8dc68e2. A specially crafted malicious file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.

Sources

  • CVE.orgVulnerability recordCVE-2026-20884

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-20884

    30-day exploitation probability 0.6%

    first.org
  • NIST NVDVulnerability recordCVE-2026-20884

    An integer overflow vulnerability exists in the deflate_dng_load_raw functionality of LibRaw Commit 8dc68e2. A specially crafted malicious file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.