How severe is CVE-2026-20884?

CVE-2026-20884 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-20884 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-20884?

CVE-2026-20884 affects Libraw. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-20884?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-20884 have an EU (EUVD) identifier?

Yes. CVE-2026-20884 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19618.

When was CVE-2026-20884 published?

CVE-2026-20884 was published on 2026-04-07 and last updated on 2026-06-17.

CVE-2026-20884

CVE-2026-20884 is a high-severity vulnerability in Libraw with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-190.

Key facts

Severity: High (CVSS 3.x base score 8.1)
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-19618
Weakness: CWE-190
Affected product: Libraw
Published: 2026-04-07
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-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.
How severe is CVE-2026-20884?: CVE-2026-20884 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-20884 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-20884?: CVE-2026-20884 affects Libraw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-20884?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-20884 have an EU (EUVD) identifier?: Yes. CVE-2026-20884 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19618.
When was CVE-2026-20884 published?: CVE-2026-20884 was published on 2026-04-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:libraw:libraw:0.22.1:*:*:*:*:*:*:*

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