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CVE

CVE-2026-26313

Go Ethereum affected by DoS via malicious p2p message
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CVE

CVE-2026-26313

Go Ethereum affected by DoS via malicious p2p message

Impact

An attacker can cause high memory usage by sending a specially-crafted p2p message.

More details to be released later.

Patches

The issue is resolved in the v1.17.0 release. 

Credit

This issue was reported to the Ethereum Foundation Bug Bounty Program by @revofusion

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
6.9
-
4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
C
H
U
0
-
C
H
U
7.5
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Related Resources

No items found.

References

https://github.com/ethereum/go-ethereum/security/advisories/GHSA-689v-6xwf-5jf3, https://nvd.nist.gov/vuln/detail/CVE-2026-26313, https://github.com/ethereum/go-ethereum, https://github.com/ethereum/go-ethereum/releases/tag/v1.17.0, https://pkg.go.dev/vuln/GO-2026-4508

Severity

7.5

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
7.5
EPSS Probability
0.00033%
EPSS Percentile
0.09509%
Introduced Version
0,v1.16.0,v0.0.0-20250516151047-7e7925460507,v1.13.3,v0.0.0-20231003120319-bc6d18487288,v1.10.14,v0.0.0-20211126112603-c10a0a62c353,v1.10.3,v0.0.0-20210422084246-1fb9a6dd32b5,v1.10.0,v0.0.0-20210218165429-6ec15610443b,v0.0.0-20201214092715-017831dd5b33,v1.9.11,v0.0.0-20200211115636-049e17116e5e,v1.3.1,v0.0.0-20151019070309-ab27bee25a84,v0.0.0-20151019070309-f186b390182d,v1.2.1,v0.0.0-20150825144847-47a7fe5d22fe,v0.0.0-20150824145728-42f44dda5468,v0.9.17,v0.0.0-20150507075734-4800c94392e8,v0.9.16,v0.0.0-20150417231109-c2f410214c99
Fix Available
1.17.0,v1.17.0,v0.0.0-20260215132116-0cba803fbafb

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