CVE-2026-15028

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.20% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 10.2% of scored records. A rank, not a probability.

NVD base score

3.9 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Awaiting Analysis. NVD last modified this record on 2026-10-09.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-07-10 09:55Z3 MO AGO

Last updated

2026-10-09 01:08Z20 DAYS AGO

Reserved

2026-07-08

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Low (CVSS 3.9)

CNA CVSS vector

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

Weaknesses

• CWE-122Heap-based Buffer OverflowVariant
• CWE-805Buffer Access with Incorrect Length ValueBase

Data version

5.2

Document digest

7fcf23fb85e9a1db3aebbebab521feadcb44a2c243770ea5b5cbea99123ff483

• access.redhat.comRHSA-2026:38279https://access.redhat.com/errata/RHSA-2026:38279vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:69553https://access.redhat.com/errata/RHSA-2026:69553vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:79357https://access.redhat.com/errata/RHSA-2026:79357vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-15028vdb-entryx_refsource_REDHAT
• bugzilla.redhat.comRHBZ#2497970https://bugzilla.redhat.com/show_bug.cgi?id=2497970issue-trackingx_refsource_REDHAT
• github.comhttps://github.com/libarchive/libarchive/issues/3251
• github.comhttps://github.com/libarchive/libarchive/pull/3253