CVE-2026-20889

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Source
https://cve.org/CVERecord?id=CVE-2026-20889
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-20889.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2026-20889
Downstream
Related
Published
2026-04-07T13:49:27.912Z
Modified
2026-05-28T04:11:17.227968142Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

A heap-based buffer overflow vulnerability exists in the x3fthumbloader functionality of LibRaw Commit d20315b. A specially crafted malicious file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/20xxx/CVE-2026-20889.json",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "last_affected": "Commit d20315b"
                }
            ],
            "source": "AFFECTED_FIELD"
        }
    ],
    "cwe_ids": [
        "CWE-190"
    ],
    "cna_assigner": "talos"
}
References

Affected packages

Git / github.com/libraw/libraw

Affected ranges

Type
GIT
Repo
https://github.com/libraw/libraw
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
0b56545a4f828743f28a4345cdfdd4c49f9f9a2a
Database specific 
{
    "cpe": "cpe:2.3:a:libraw:libraw:0.22.0:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "0.22.0"
        }
    ],
    "source": "CPE_STRING"
}

Affected versions

0.*
0.12.0
0.13.0
0.13.1
0.13.2
0.13.3
0.13.4
0.13.5
0.13.6
0.14.0
0.14.1
0.14.2
0.14.3
0.14.4
0.14.5
0.14.6
0.15.0
0.16.0
0.17.0
0.18.0
0.20-RC2
0.20.0
0.20.1
0.20.2
0.21-Beta1
0.21.0
0.21.1
0.22.0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-20889.json"