CVE-2023-34454

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• 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

1.46% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 73.5% 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

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

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

2023-06-15 16:27Z3 YR AGO

Last updated

2024-12-12 16:25Z1 YR AGO

Reserved

2023-06-06

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 5.9)

CNA CVSS vector

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

Weaknesses

• CWE-190Integer Overflow or WraparoundBase

Data version

5.1

Document digest

ec1964fc013aed22997ccaa8afd4d6ff59db51611d04159ea577a78f5bde3e5a

• github.comhttps://github.com/xerial/snappy-java/security/advisories/GHSA-fjpj-2g6w-x25rx_refsource_CONFIRM
• github.comhttps://github.com/xerial/snappy-java/commit/d0042551e4a3509a725038eb9b2ad1f683674d94x_refsource_MISC
• github.comhttps://github.com/xerial/snappy-java/blob/05c39b2ca9b5b7b39611529cc302d3d796329611/src/main/java/org/xerial/snappy/Snappy.java#L169x_refsource_MISC
• github.comhttps://github.com/xerial/snappy-java/blob/05c39b2ca9b5b7b39611529cc302d3d796329611/src/main/java/org/xerial/snappy/Snappy.java#L422x_refsource_MISC
• github.comhttps://github.com/xerial/snappy-java/blob/master/src/main/java/org/xerial/snappy/Snappy.javax_refsource_MISC