MGASA-2021-0293: tor Mageia

CVSS: UnknownPublished
Published 28-06-2021Last modified 16-04-2026
Open JSON

Vulnerability summary

MGASA-2021-0293 is a vulnerability in tor Mageia with no CVSS score yet.

Overall risk
0/100
0100
Minimal · default modelHow is this calculated?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
Not scored
0%100%
No EPSS score yet
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 3 · Downstream 0
CVE-2021-34548CVE-2021-34549CVE-2021-34550

Timeline

  1. 28-06-2021
    PublishedVulnerability first disclosed.
  2. 16-04-2026
    Last modifiedVulnerability information updated.

Description

Updated tor package fixes security vulnerabilities Don't allow relays to spoof RELAY_END or RELAY_RESOLVED cell on half-closed streams. Previously, clients failed to validate which hop sent these cells: this would allow a relay on a circuit to end a stream that wasn't actually built with it (CVE-2021-34548). hashtable-based CPU denial-of-service attack against relays (CVE-2021-34549). out-of-bounds memory access in v3 onion service descriptor parsing (CVE-2021-34550). See also upstream release notes for included other bugfixes. This package also fixes an error in tor package's un-install script (mga#29158).

CVSS metrics

Risk metrics not yet published.

EPSS trend

No EPSS score has been published for this record yet.

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

Mageia2 products
  • tor< 0.3.5.15-1.1.mga7
  • tor< 0.3.5.15-1.1.mga8

1 vendor · 2 products

References

5 links