CVE-2026-42015
5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 | 0:3.8.10-4.el10_2 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support | 0:3.8.9-9.el10_0.19 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 8 | 0:3.6.16-8.el8_10.6 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 8 | 0:3.6.16-8.el8_10.6 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | 0:3.6.14-10.el8_4.1 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | 0:4.13-3.el8_4.1 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On | 0:3.6.14-10.el8_4.1 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On | 0:4.13-3.el8_4.1 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | 0:3.6.16-5.el8_6.5 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | 0:4.13-3.el8_6.2 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On | 0:3.6.16-5.el8_6.5 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On | 0:4.13-3.el8_6.2 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service | 0:3.6.16-7.el8_8.4 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service | 0:4.13-4.el8_8.1 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions | 0:3.6.16-7.el8_8.4 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions | 0:4.13-4.el8_8.1 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 9 | 0:3.8.10-4.el9_8 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 9 | 0:3.8.10-4.el9_8 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions | 0:3.8.3-4.el9_4.6 < * | unaffected |
| Red Hat | Red Hat Enterprise Linux 9.6 Extended Update Support | 0:3.8.3-6.el9_6.4 < * | unaffected |
| Red Hat | Red Hat Discovery 2 | 1782159791 < * | unaffected |
| Red Hat | Red Hat Discovery 2 | 1782166952 < * | unaffected |
| Red Hat | Red Hat Update Infrastructure 5 | 1781525684 < * | unaffected |
| Red Hat | Red Hat Update Infrastructure 5 | 1781525671 < * | unaffected |
| Red Hat | Red Hat Update Infrastructure 5 | 1781525693 < * | unaffected |
| Red Hat | Red Hat Update Infrastructure 5 | 1781525739 < * | unaffected |
Weaknesses
- CWE-193: Off-by-one Error
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: partial
References
- https://access.redhat.com/errata/RHSA-2026:20611
- https://access.redhat.com/errata/RHSA-2026:20612
- https://access.redhat.com/errata/RHSA-2026:20613
- https://access.redhat.com/errata/RHSA-2026:26319
- https://access.redhat.com/errata/RHSA-2026:26409
- https://access.redhat.com/errata/RHSA-2026:29197
- https://access.redhat.com/errata/RHSA-2026:30004
- https://access.redhat.com/errata/RHSA-2026:30849
- https://access.redhat.com/errata/RHSA-2026:30850
- https://access.redhat.com/errata/RHSA-2026:32962
- https://access.redhat.com/errata/RHSA-2026:33125
- https://access.redhat.com/security/cve/CVE-2026-42015
- https://bugzilla.redhat.com/show_bug.cgi?id=2467678
- https://www.gnutls.org/security-new.html#GNUTLS-SA-2026-04-29-11
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