CVE-2025-68431

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

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

EPSS percentile

Equal to or higher than the score of 36.6% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-10-07.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2025-12-29 19:09Z10 MO AGO

Last updated

2025-12-30 22:26Z10 MO AGO

Reserved

2025-12-17

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 6.5)

CNA CVSS vector

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

Weaknesses

• CWE-125Out-of-bounds ReadBase
• CWE-190Integer Overflow or WraparoundBase

Data version

5.2

Document digest

b312381185b014de081d920624e5ba799f72191ea43454195db6038a866a7d10

• github.comhttps://github.com/strukturag/libheif/security/advisories/GHSA-j87x-4gmq-cqfqx_refsource_CONFIRM
• github.comhttps://github.com/strukturag/libheif/commit/b8c12a7b70f46c9516711a988483bed377b78d46x_refsource_MISC
• github.comhttps://github.com/strukturag/libheif/releases/tag/v1.21.0x_refsource_MISC