CVE-2026-84310

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.14% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 3.5% of scored records. A rank, not a probability.

NVD base score

The NVD has published no score for this record

NVD CVSS vector

No NVD score to derive

NVD analysis status

Not recorded

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

2026-09-01 20:00Z1 DAY AGO

Last updated

2026-09-01 20:00Z1 DAY AGO

Reserved

2026-09-01

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 4.8)

CNA CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Weaknesses

• CWE-405Asymmetric Resource Consumption (Amplification)Class
• CWE-834Excessive IterationClass

Data version

5.2

Document digest

50922bc679554c39b1c4223954fdd172753a05ef3325bef729bdfc80d46439ab

• github.comhttps://github.com/py-pdf/pypdf/security/advisories/GHSA-23w6-3w8w-8484x_refsource_CONFIRM
• github.comhttps://github.com/py-pdf/pypdf/pull/3966x_refsource_MISC
• github.comhttps://github.com/py-pdf/pypdf/commit/d91ab705fd81ed1a9cec175c6958600dea1a4942x_refsource_MISC
• github.comhttps://github.com/py-pdf/pypdf/releases/tag/6.16.1x_refsource_MISC