7.5

CVE-2015-2929: the tor project tor

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2015-2929DEBIAN-CVE-2015-2929
Published 24-01-2020Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2015-2929 is a high (CVSS 7.5) vulnerability in the tor project tor. EPSS estimates a 1.16% chance of exploitation in the next 30 days, higher than 66.6% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
1.16%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 4 · Related 1
DLA-187-1DSA-3216-1MGASA-2015-0151OPENSUSE-SU-2024:10423-1

Timeline

  1. 24-01-2020
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The Hidden Service (HS) client implementation in Tor before 0.2.4.27, 0.2.5.x before 0.2.5.12, and 0.2.6.x before 0.2.6.7 allows remote servers to cause a denial of service (assertion failure and application exit) via a malformed HS descriptor.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.16%

Chance of exploitation in the next 30 days

Percentile

67%

Versus all other CVEs

30-day change

0.00 pp

From 1.16% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.16%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Debian1 product
  • tor< 0.2.5.12-1
The tor project1 product
  • tor< 0.2.4.27 | 0.2.5.x before 0.2.5.12 | 0.2.6.x before 0.2.6.7
Torproject1 product
  • tor< 0.2.4.27 | ≥ 0.2.5.1, < 0.2.5.12 | ≥ 0.2.6.1, < 0.2.6.7
Ubuntu1 product
  • tor< 0.2.4.27-1build0.14.04.1

4 vendors · 4 products

References

6 links