CVE-2026-3084

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

0.42% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 35.0% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-07-15.

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

2026-03-13 20:42Z5 MO AGO

Last updated

2026-07-15 01:09Z1 MO AGO

Reserved

2026-02-23

Assigning CNA

zdi

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weaknesses

• CWE-191Integer Underflow (Wrap or Wraparound)Base

Data version

5.2

Document digest

63ac8c387c4bce33c79c68eb0edeefa74a1cc80abda55ff118ca72d38c12cf6b

• www.zerodayinitiative.comZDI-26-169https://www.zerodayinitiative.com/advisories/ZDI-26-169/x_research-advisory
• gitlab.freedesktop.orgvendor-provided URLhttps://gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/496e4f296e658fba7fd40027d3bbe6095633ec91vendor-advisory
• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-3084vdb-entryx_refsource_REDHAT
• bugzilla.redhat.comRHBZ#2447483https://bugzilla.redhat.com/show_bug.cgi?id=2447483issue-trackingx_refsource_REDHAT
• security.access.redhat.comhttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3084.jsonx_sadp-csaf-vex