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CVE-2026-42015

Gnutls: gnutls: memory corruption due to off-by-one error in pkcs#12 bag handling

Published: May 26, 2026Updated: May 26, 2026 Sources: CVE List NVD
NVD MITRE
5.3CVSS
MEDIUM

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.

EPSS Score
N/A
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:LAvailability
Low

Weaknesses

CWE-193

Affected Products

Red Hat Enterprise Linux 10
Red Hat
Red Hat Enterprise Linux 6
Red Hat
Red Hat Enterprise Linux 7
Red Hat
Red Hat Enterprise Linux 8
Red Hat
Red Hat Enterprise Linux 9
Red Hat
and 2 more affected products View all →

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

References

https://access.redhat.com/security/cve/CVE-2026-42015
access.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2467678
bugzilla.redhat.com

Timeline

Published
May 26, 2026
Last Updated
May 26, 2026

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