Buffer overflow in Brantburnett Snappier
CVE-2023-28638
Snappier is a high performance C# implementation of the Snappy compression algorithm. This is a buffer overrun vulnerability that can affect any user of Snappier 1.1.0. In this release, much of the code was rewritten to use byte references…
Vulnerability class: Buffer Overflow
EPSS: 0.006 (42.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H.
Affected products
- Brantburnett Snappier — versions = 1.1.0
- Snappier_project Snappier — versions 1.1.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2023-28638?
- CVE-2023-28638 is a high-severity vulnerability in Brantburnett Snappier, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.0/10. Published 2023-03-27.
- How severe is CVE-2023-28638?
- High severity. CVSS v3 base score is 7.0 out of 10.
- Is CVE-2023-28638 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.