CVE-2026-5260

Source
https://cve.org/CVERecord?id=CVE-2026-5260
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-5260.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2026-5260
Downstream
ALPINE (1)
AZL (1)
BELL (1)
DEBIAN (1)
ECHO (1)
OESA (5)
openSUSE (2)
RHSA (11)
RLSA (3)
SUSE (9)
UBUNTU (1)
Related
Published
2026-05-26T21:29:20Z
Modified
2026-10-02T11:46:03Z
Severity
  • 8.2 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H CVSS Calculator
Summary
Gnutls: gnutls: information disclosure via heap overread in rsa key exchange
Details

A flaw was found in libgnutls. A remote attacker, by sending an extremely short premaster secret during an RSA key exchange to a server using an RSA key backed by a PKCS#11 token, could trigger a short heap overread. This memory corruption vulnerability could lead to information disclosure.

Database specific
{
    "cna_assigner": "redhat",
    "cwe_ids": [
        "CWE-126"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/5xxx/CVE-2026-5260.json"
}
References

Affected packages

Git / gitlab.com/gnutls/gnutls

Affected ranges

Type
GIT
Repo
https://gitlab.com/gnutls/gnutls
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last Affected
0
Database specific
Show details
{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "0"
        }
    ],
    "source": "AFFECTED_FIELD"
}

Affected versions

Other
0

Database specific

source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-5260.json"