CVE-2026-42015 Details
Description
A flaw was found in gnutls. An off-by-one error exists in the PKCS#12 bag element bounds check. This vulnerability allows an remote attacker to write past the internal array of a PKCS#12 bag when appending to a bag that already contains 32 elements. This memory corruption could lead to a denial of service (DoS) or potentially other unspecified impacts.
A memory corruption vulnerability has been identified in GnuTLS, specifically within the PKCS#12 bag element handling. An off-by-one error in the bounds check allows a remote attacker to write past the internal array of a PKCS#12 bag when appending to a bag that already contains 32 elements. This memory corruption could result in a denial-of-service (DoS) condition or potentially other unspecified impacts.
Users can upgrade to GnuTLS versions included in the Red Hat Enterprise Linux 8, 9, and 10 errata RHSA-2026:20611, RHSA-2026:20612, and RHSA-2026:20613 respectively. For Red Hat OpenShift Container Platform 4, the fix is deferred.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed May 27, 2026References to Advisories, Solutions, and Tools
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Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-193 | Off-by-one Error | [email protected] |
Affected Products
No affected product data is available for this CVE.
Change History
26 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Sep 1, 2026 | CVE Modified | [email protected] |
| Aug 31, 2026 | CVE Modified | [email protected] |
| Aug 25, 2026 | CVE Modified | [email protected] |
| Aug 21, 2026 | CVE Modified | [email protected] |
| Aug 21, 2026 | CVE Modified | [email protected] |
| Jul 24, 2026 | CVE Translated | [email protected] |
| Jul 23, 2026 | CVE Translated | [email protected] |
| Jul 22, 2026 | CVE Modified | [email protected] |
| Jul 20, 2026 | CVE Modified | [email protected] |
| Jul 15, 2026 | CVE Modified | [email protected] |
| Jul 13, 2026 | CVE Modified | [email protected] |
| Jul 9, 2026 | CVE Modified | [email protected] |
| Jul 8, 2026 | CVE Modified | [email protected] |
| Jun 30, 2026 | CVE Modified | [email protected] |
| Jun 29, 2026 | CVE Modified | [email protected] |
| Jun 29, 2026 | CVE Modified | [email protected] |
| Jun 26, 2026 | CVE Modified | [email protected] |
| Jun 26, 2026 | CVE Modified | [email protected] |
| Jun 24, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 2, 2026 | CVE Modified | [email protected] |
| Jun 1, 2026 | CVE Modified | [email protected] |
| May 27, 2026 | CVE Modified | [email protected] |
| May 26, 2026 | New CVE Received | [email protected] |