5

CVE-2009-1387: canonical ubuntu_linux NULL Pointer Dereference

CVSS: 5.0v2.0MediumModified
AliasesDEBIAN-CVE-2009-1387
Published 04-06-2009Last modified 07-08-2024
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Vulnerability summary

CVE-2009-1387 is a medium (CVSS 5.0) NULL Pointer Dereference vulnerability in canonical ubuntu_linux. EPSS estimates a 10.25% chance of exploitation in the next 30 days, higher than 95.6% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.0/10
010
Medium · v2.0 (NVD)
EPSS score
10.25%
0%100%
Medium · 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 2 · Related 1

Timeline

  1. 04-06-2009
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

The dtls1_retrieve_buffered_fragment function in ssl/d1_both.c in OpenSSL before 1.0.0 Beta 2 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via an out-of-sequence DTLS handshake message, related to a "fragment bug."

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

10.25%

Chance of exploitation in the next 30 days

Percentile

96%

Versus all other CVEs

30-day change

0.00 pp

From 10.25% on 18-09-2026

18-09-202618-10-2026
EPSS score
10.25%

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

Affected systems

Canonical1 product
Debian1 product
  • openssl< 0.9.8k-2
Openssl1 product
Redhat1 product
  • openssl0.9.6-15 | 0.9.6b-3 | 0.9.7a-2

4 vendors · 4 products

References

22 links
Show all 22 references