CVE-2026-73434

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 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

0.13% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 3.1% of scored records. A rank, not a probability.

NVD base score

6.1 (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:L/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-08-19.

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

2026-08-12 19:05Z23 DAYS AGO

Last updated

2026-08-19 20:54Z16 DAYS AGO

Reserved

2026-08-12

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Medium (CVSS 6.1)

CNA CVSS vector

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

Weaknesses

• CWE-125Out-of-bounds ReadBase

Data version

5.2

Document digest

c5646d3449761a0a52a528211e3f2f654f4b4d47637093cf526e687f6f88508e

• access.redhat.comRHSA-2026:55434https://access.redhat.com/errata/RHSA-2026:55434vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:55436https://access.redhat.com/errata/RHSA-2026:55436vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:56966https://access.redhat.com/errata/RHSA-2026:56966vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-73434vdb-entryx_refsource_REDHAT
• bugzilla.redhat.comRHBZ#2514807https://bugzilla.redhat.com/show_bug.cgi?id=2514807issue-trackingx_refsource_REDHAT
• gitlab.freedesktop.orghttps://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/12231
• gstreamer.freedesktop.orghttps://gstreamer.freedesktop.org/security/sa-2026-0072.html