CVE-2010-1676

10.0 HIGH 8% exploit odds Fix listed Memory safety

What it is

Heap-based buffer overflow in Tor before 0.2.1.28 and 0.2.2.x before 0.2.2.20-alpha allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via unspecified vectors.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
Exploit odds: 7.9% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2010-12-22 01:00 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 23:19 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 7.9% in the next 30 days (EPSS).
Severity: 10.0 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2010-12-22 01:00 UTC
Last modified: 2026-06-16 23:19 UTC
Exploit probability: 7.9% · EPSS, next 30 days
Weakness: CWE-119 · Buffer errors
Record status: Modified

Affected

Tor ≤ 0.2.1.1.27
Tor 0.0.2
Tor 0.0.2_pre13
Tor 0.0.2_pre14
Tor 0.0.2_pre15
Tor 0.0.2_pre16
Tor 0.0.2_pre17
Tor 0.0.2_pre18

Attack profile CVSS 2.0 · 10.0

Attack vector: Network
Complexity: Low
Authentication: None
Confidentiality: Complete
Integrity: Complete
Availability: Complete

Raw vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Is it in your code?

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Read https://cve-list.com/agent/cve/CVE-2010-1676.md and follow it. Check whether this project is affected by CVE-2010-1676. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record