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The tor_realloc function in Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha does not validate a certain size value during memory allocation, which might allow remote attackers to cause a denial of service (daemon crash) via unspecified vectors, related to "underflow errors."
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade tor | Jul 30, 2024 | Jan 19, 2011 |
| Gentoo Linux | — | Upgrade net-misc/tor. | Oct 30, 2017 | Jan 19, 2011 |
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