CVE-2026-40334

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

0.19% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 8.6% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

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

Red Hat severity

Low. 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

2026-04-17 23:16Z4 MO AGO

Last updated

2026-04-20 13:36Z4 MO AGO

Reserved

2026-04-10

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Low (CVSS 3.5)

CNA CVSS vector

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

Weaknesses

• CWE-170Improper Null TerminationBase

Data version

5.2

Document digest

d8ec783a1a93e2c90e0a557f9e8a3bbfd011d07cb8b9934f1525390d3a4eea4a

• github.comhttps://github.com/gphoto/libgphoto2/security/advisories/GHSA-ph87-cc3j-c6hmx_refsource_CONFIRM
• github.comhttps://github.com/gphoto/libgphoto2/commit/259fc7d3bfe534ce4b114c464f55b448670ab873x_refsource_MISC