CVE-2015-2688

HIGH

Tor < 0.2.4.26 - Improper Exception Handling

Title source: rule

Description

buf_pullup in Tor before 0.2.4.26 and 0.2.5.x before 0.2.5.11 does not properly handle unexpected arrival times of buffers with invalid layouts, which allows remote attackers to cause a denial of service (assertion failure and daemon exit) via crafted packets.

References (2)

Scores

CVSS v3 7.5
EPSS 0.0057
EPSS Percentile 68.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Classification

CWE
CWE-755
Status published

Affected Products (1)

torproject/tor < 0.2.4.26

Timeline

Published Jan 24, 2020
Tracked Since Feb 18, 2026