CVE-2026-41990

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Source
https://cve.org/CVERecord?id=CVE-2026-41990
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-41990.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2026-41990
Downstream
Published
2026-04-23T04:39:04.524Z
Modified
2026-05-28T04:11:55.851856585Z
Severity
  • 4.0 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L CVSS Calculator
Summary
[none]
Details

Libgcrypt before 1.12.2 mishandles Dilithium signing. Writes to a static array lack a bounds check but do not use attacker-controlled data.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41990.json",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "introduced": "1.12.0"
                },
                {
                    "fixed": "1.12.2"
                }
            ],
            "source": "AFFECTED_FIELD"
        },
        {
            "extracted_events": [
                {
                    "introduced": "1.12.0"
                },
                {
                    "fixed": "1.12.2"
                }
            ],
            "source": "CPE_FIELD"
        },
        {
            "extracted_events": [
                {
                    "fixed": "1.12.2"
                }
            ],
            "source": "DESCRIPTION"
        }
    ],
    "cwe_ids": [
        "CWE-787"
    ],
    "cna_assigner": "mitre"
}
References

Affected packages

Git / git.gnupg.org/libgcrypt.git

Affected ranges

Type
GIT
Repo
git://git.gnupg.org/libgcrypt.git
Events
Introduced
efd5e1e7b4e7861b53eafdbf197fd6d4ff6f45e1
Fixed
efc346430901b84f1f580a147191624d7ded0db6
Database specific 
{
    "extracted_events": [
        {
            "introduced": "1.12.0"
        },
        {
            "fixed": "1.12.2"
        }
    ],
    "cpe": "cpe:2.3:a:gnupg:libgcrypt:*:*:*:*:*:*:*:*",
    "source": "CPE_RANGE"
}

Affected versions

libgcrypt-1.*
libgcrypt-1.12.0
libgcrypt-1.12.1

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-41990.json"

Git / github.com/gpg/libgcrypt

Affected ranges

Type
GIT
Repo
https://github.com/gpg/libgcrypt
Events
Introduced
efd5e1e7b4e7861b53eafdbf197fd6d4ff6f45e1
Fixed
efc346430901b84f1f580a147191624d7ded0db6
Database specific 
{
    "cpe": "cpe:2.3:a:gnupg:libgcrypt:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "1.12.0"
        },
        {
            "fixed": "1.12.2"
        }
    ],
    "source": "CPE_RANGE"
}

Affected versions

libgcrypt-1.*
libgcrypt-1.12.0
libgcrypt-1.12.1

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-41990.json"