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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.

PUBLISHED Reserved 2026-04-23 | Published 2026-05-26 | Updated 2026-06-02 | Assigner redhat




MEDIUM: 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Problem types

Off-by-one Error

Product status

Default status
affected

0:3.8.10-4.el10_2 (rpm) before *
unaffected

Default status
affected

0:3.6.16-8.el8_10.6 (rpm) before *
unaffected

Default status
affected

0:3.6.16-8.el8_10.6 (rpm) before *
unaffected

Default status
affected

0:3.8.10-4.el9_8 (rpm) before *
unaffected

Default status
affected

0:3.8.10-4.el9_8 (rpm) before *
unaffected

Default status
unknown

Default status
affected

Default status
affected

Default status
affected

Timeline

2026-05-07:Reported to Red Hat.
2026-04-29:Made public.

Credits

Red Hat would like to thank Zou Dikai for reporting this issue.

References

access.redhat.com/errata/RHSA-2026:20611 (RHSA-2026:20611) vendor-advisory

access.redhat.com/errata/RHSA-2026:20612 (RHSA-2026:20612) vendor-advisory

access.redhat.com/errata/RHSA-2026:20613 (RHSA-2026:20613) vendor-advisory

access.redhat.com/security/cve/CVE-2026-42015 vdb-entry

bugzilla.redhat.com/show_bug.cgi?id=2467678 (RHBZ#2467678) issue-tracking

cve.org (CVE-2026-42015)

nvd.nist.gov (CVE-2026-42015)

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