4.6

CVE-2011-4089: bzip bzip2

CVSS: 4.6v2.0MediumModified
AliasesDEBIAN-CVE-2011-4089
Published 16-04-2014Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2011-4089 is a medium (CVSS 4.6) vulnerability in bzip bzip2. EPSS estimates a 1.04% chance of exploitation in the next 30 days, higher than 63.5% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
29/100
0100
Medium · default modelHow is this calculated?
CVSS score
4.6/10
010
Medium · v2.0 (NVD)
EPSS score
1.04%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1exploit-database

Timeline

  1. 16-04-2014
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The bzexe command in bzip2 1.0.5 and earlier generates compressed executables that do not properly handle temporary files during extraction, which allows local users to execute arbitrary code by precreating a temporary directory.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

1.04%

Chance of exploitation in the next 30 days

Percentile

64%

Versus all other CVEs

30-day change

0.00 pp

From 1.04% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.04%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • exploit-databaselocallinuxVerified

    bzexe (bzip2) - Race Condition

    Maturity: weaponized

Weaknesses

CWE · root cause

Affected systems

Bzip1 product
  • bzip2≤ 1.0.4 | 1.0 | 1.0.1 | 1.0.2 | 1.0.3
Debian1 product
  • bzip2< 1.0.6-1

2 vendors · 2 products

References

6 links