CVE-2026-4424

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.
• AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
• Technical ImpactpartialSuccessful exploitation gives limited 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

1.24% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 66.8% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-08-31.

Red Hat severity

Important. 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

2026-03-19 13:50Z5 MO AGO

Last updated

2026-09-01 12:04Z3 DAYS AGO

Reserved

2026-03-19

Assigning CNA

redhat

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

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

Weaknesses

• CWE-125Out-of-bounds ReadBase

Data version

5.2

Document digest

b62e3c513ce5ad4c9584fcda3501c93a4eb5f7a68e30bb8ba661a5538aea365f

• access.redhat.comRHSA-2026:10065https://access.redhat.com/errata/RHSA-2026:10065vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:10097https://access.redhat.com/errata/RHSA-2026:10097vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:11768https://access.redhat.com/errata/RHSA-2026:11768vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:12071https://access.redhat.com/errata/RHSA-2026:12071vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:12274https://access.redhat.com/errata/RHSA-2026:12274vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:13812https://access.redhat.com/errata/RHSA-2026:13812vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:14773https://access.redhat.com/errata/RHSA-2026:14773vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:14937https://access.redhat.com/errata/RHSA-2026:14937vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:15087https://access.redhat.com/errata/RHSA-2026:15087vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:16008https://access.redhat.com/errata/RHSA-2026:16008vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:16009https://access.redhat.com/errata/RHSA-2026:16009vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:16030https://access.redhat.com/errata/RHSA-2026:16030vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:16174https://access.redhat.com/errata/RHSA-2026:16174vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:17596https://access.redhat.com/errata/RHSA-2026:17596vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:19724https://access.redhat.com/errata/RHSA-2026:19724vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:19725https://access.redhat.com/errata/RHSA-2026:19725vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:20040https://access.redhat.com/errata/RHSA-2026:20040vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:21690https://access.redhat.com/errata/RHSA-2026:21690vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:25096https://access.redhat.com/errata/RHSA-2026:25096vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:8492https://access.redhat.com/errata/RHSA-2026:8492vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:8510https://access.redhat.com/errata/RHSA-2026:8510vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:8517https://access.redhat.com/errata/RHSA-2026:8517vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:8521https://access.redhat.com/errata/RHSA-2026:8521vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:8534https://access.redhat.com/errata/RHSA-2026:8534vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:8864https://access.redhat.com/errata/RHSA-2026:8864vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:8865https://access.redhat.com/errata/RHSA-2026:8865vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:8866https://access.redhat.com/errata/RHSA-2026:8866vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:8867https://access.redhat.com/errata/RHSA-2026:8867vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:8873https://access.redhat.com/errata/RHSA-2026:8873vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:8908https://access.redhat.com/errata/RHSA-2026:8908vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:8944https://access.redhat.com/errata/RHSA-2026:8944vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:9026https://access.redhat.com/errata/RHSA-2026:9026vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:9592https://access.redhat.com/errata/RHSA-2026:9592vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:9832https://access.redhat.com/errata/RHSA-2026:9832vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-4424vdb-entryx_refsource_REDHAT
• bugzilla.redhat.comRHBZ#2449006https://bugzilla.redhat.com/show_bug.cgi?id=2449006issue-trackingx_refsource_REDHAT
• github.comhttps://github.com/libarchive/libarchive/pull/2898
• security.access.redhat.comhttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-4424.jsonx_sadp-csaf-vex