5

CVE-2009-1386: canonical ubuntu_linux NULL Pointer Dereference

Modified
AliasesDEBIAN-CVE-2009-1386
Published 04-06-2009Last modified 07-08-2024
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Vulnerability summary

CVE-2009-1386 is a medium (CVSS 5.0) NULL Pointer Dereference vulnerability in canonical ubuntu_linux. EPSS estimates a 80.13% chance of exploitation in the next 30 days, higher than 99.6% of scored vulnerabilities. 3 public exploits are recorded.

Priority
Prioritiseweaponized exploit

Weaponized exploit (Metasploit, 26-04-2000)

Source freshness unavailable

How is this decided?
CVSS score
5.0/10
010
Medium · v2.0 (NVD)
EPSS score
80.13%
0%100%
Critical · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits3reference, exploit-database, metasploit

Advisory lineage

Upstream 0 · Downstream 2 · Related 1
OPENSUSE-SU-2024:11127-1RHSA-2009:1335

Timeline

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

Description

ssl/s3_pkt.c in OpenSSL before 0.9.8i allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a DTLS ChangeCipherSpec packet that occurs before ClientHello.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

80.13%

Chance of exploitation in the next 30 days

Percentile

100%

Versus all other CVEs

30-day change

No change 0.00 pp

From 80.13% on 05-10-2026

05-10-202604-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

3 found
  • referenceUnverified

    Exploit Reference (securityfocus.com)

    Maturity: unknown

  • exploit-databasedosmultipleVerified

    OpenSSL < 0.9.8i - DTLS ChangeCipherSpec Remote Denial of Service

    Maturity: poc

  • MetasploitMetasploitremoteUnverified

    OpenSSL DTLS ChangeCipherSpec Remote DoS

    auxiliary/dos/ssl/dtls_changecipherspec

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.

Canonical1 product
Debian1 product
  • openssl< 0.9.8k-1
Openssl1 product
Redhat1 product
  • openssl0.9.6-15 | 0.9.6b-3 | 0.9.7a-2

4 vendors · 4 products

References

21 links
Show all 21 references