What’s Vulnerable › Vulnerabilities

CVE-2023-35849

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-06-19 · updated 2026-06-17
• Weakness: CWE-754

Description

VirtualSquare picoTCP (aka PicoTCP-NG) through 2.1 does not properly check whether header sizes would result in accessing data outside of a packet.

Affected products

• Virtualsquare Picotcp: through 2.1

References

• https://github.com/virtualsquare/picotcp/commit/4b9a16764f2b12b611de9c34a50b4713d10ca401
• https://github.com/virtualsquare/picotcp/commit/4b9a16764f2b12b611de9c34a50b4713d10ca401

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