Out-of-bounds Read in Gopacket
CVE-2026-65819
gopacket provides packet processing capabilities for Go. Through version 1.7.0, multiple layer decoders use attacker-controlled lengths, counts, or offsets before validating them against packet buffers, allowing a crafted packet decoded th…
Vulnerability class: Buffer Overflow
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Gopacket — versions <= 1.7.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-65819?
- CVE-2026-65819 is a high-severity vulnerability in Gopacket, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2026-08-07.
- How severe is CVE-2026-65819?
- High severity. CVSS v3 base score is 7.5 out of 10.