5

CVE-2009-1902: fedoraproject fedora NULL Pointer Dereference

CVSS: 5.0v2.0MediumModified
Published 03-06-2009Last modified 07-08-2024

Vulnerability summary

CVE-2009-1902 is a medium (CVSS 5.0) NULL Pointer Dereference vulnerability in fedoraproject fedora. EPSS estimates a 13.73% chance of exploitation in the next 30 days, higher than 96.4% of scored vulnerabilities. 3 public exploits are recorded.

Overall risk
33/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.0/10
010
Medium · v2.0 (NVD)
EPSS score
13.73%
0%100%
Medium · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits3reference, exploit-database

Timeline

  1. 03-06-2009
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

The multipart processor in ModSecurity before 2.5.9 allows remote attackers to cause a denial of service (crash) via a multipart form datapost request with a missing part header name, which triggers a NULL pointer dereference.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

13.73%

Chance of exploitation in the next 30 days

Percentile

96%

Versus all other CVEs

30-day change

0.00 pp

From 13.73% on 19-09-2026

19-09-202619-10-2026
EPSS score
13.73%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

3 found
  • referenceUnverified

    Exploit Reference (securityfocus.com)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (securityfocus.com)

    Maturity: unknown

  • exploit-databasedosmultipleVerified

    ModSecurity < 2.5.9 - Remote Denial of Service

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Fedoraproject1 product
Trustwave1 product

2 vendors · 2 products

References

14 links
Show all 14 references