CVE-2025-64508

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

0.47% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 38.9% 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:N/I:N/A:H

NVD analysis status

Deferred. NVD last modified this record on 2026-06-17.

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

2025-11-10 21:44Z9 MO AGO

Last updated

2025-11-12 20:14Z9 MO AGO

Reserved

2025-11-05

Assigning CNA

GitHub_M

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:N/I:N/A:H

Weaknesses

• CWE-770Allocation of Resources Without Limits or ThrottlingBase

Data version

5.2

Document digest

0ed75ca558db5bd7a0d62c593610a4852481d44b8a87e16d3d7050efb7039966

• github.comhttps://github.com/bugsink/bugsink/security/advisories/GHSA-fc2v-vcwj-269vx_refsource_CONFIRM
• github.comhttps://github.com/google/brotli/issues/1327x_refsource_MISC
• github.comhttps://github.com/google/brotli/issues/1375x_refsource_MISC
• github.comhttps://github.com/bugsink/bugsink/pull/266x_refsource_MISC
• github.comhttps://github.com/google/brotli/pull/1234x_refsource_MISC
• github.comhttps://github.com/bugsink/bugsink/commit/3f65544aab3ad5303d97009136640de97b0676a5x_refsource_MISC
• github.comhttps://github.com/google/brotli/commit/67d78bc41db1a0d03f2e763497748f2f69946627x_refsource_MISC
• github.comhttps://github.com/google/brotli/releases/tag/v1.2.0x_refsource_MISC