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CVE-2009-1378

24
FAUCET Score

CVE-2009-1378 describes multiple memory leaks in the dtls1_process_out_of_seq_message function within OpenSSL versions 0.9.8k and earlier. This vulnerability affects OpenSSL and canonical Ubuntu Linux, allowing remote attackers to cause a denial of service through memory exhaustion by sending duplicate or out-of-sequence DTLS records. The vulnerability has a CVSS score of 5.0, indicating a medium severity with a network attack vector, low complexity, and potential for partial availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
> 0.9.8, < 0.9.8mCPE matchmatch criteria
cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*
6.06CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:*:*:*:*
8.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:-:*:*:*
8.10CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:8.10:*:*:*:*:*:*:*
9.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:9.04:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
12.75%
Probability of exploitation in next 30 days
EPSS Percentile
95.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.1275 is in the 95th percentile among its peer group of 23,723 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: openssl-0:0.9.8e-12.el5
View patch

Vendor Advisories (1)

redhatCVE-2009-1378Moderate

OpenSSL: DTLS fragment handling memory DoS

May 12, 2009

References

ftp.netbsd.org / pub/NetBSD/security/advisories/NetBSD-SA2009-009.txt.asc
Broken LinkThird Party Advisory
cvs.openssl.org / chngview
Broken LinkPatchVendor Advisory
h20000.www2.hp.com / bizsupport/TechSupport/Document.jsp
Broken LinkThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2009-06/msg00003.html
Mailing ListThird Party Advisory
lists.vmware.com / pipermail/security-announce/2010/000082.html
Third Party Advisory
marc.info
Mailing ListPatchThird Party Advisory
marc.info
ExploitMailing ListThird Party Advisory
rt.openssl.org / Ticket/Display.html
Broken LinkThird Party Advisory
secunia.com / advisories/35128
Not ApplicableThird Party Advisory
secunia.com / advisories/35416
Not ApplicableThird Party Advisory
secunia.com / advisories/35461
Not ApplicableThird Party Advisory
secunia.com / advisories/35571
Not ApplicableThird Party Advisory
secunia.com / advisories/35729
Not ApplicableThird Party Advisory
secunia.com / advisories/36533
Not ApplicableThird Party Advisory
secunia.com / advisories/37003
Not ApplicableThird Party Advisory
secunia.com / advisories/38761
Not ApplicableThird Party Advisory
secunia.com / advisories/38794
Not ApplicableThird Party Advisory
secunia.com / advisories/38834
Not ApplicableThird Party Advisory
secunia.com / advisories/42724
Not ApplicableThird Party Advisory
secunia.com / advisories/42733
Not ApplicableThird Party Advisory
security.gentoo.org / glsa/glsa-200912-01.xml
Third Party Advisory
kb.bluecoat.com / index
Broken Link
slackware.com / security/viewer.php
Mailing ListThird Party Advisory
launchpad.net / bugs/cve/2009-1378
Third Party Advisory
sourceforge.net / mailarchive/message.php
Broken Link
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11309
Broken LinkTool Signature
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7229
Broken LinkTool Signature
exploit-db.com / exploits/8720
ExploitThird Party AdvisoryVDB Entry
voodoo-circle.sourceforge.net / sa/sa-20091012-01.html
Third Party Advisory
mandriva.com / security/advisories
Not Applicable
openwall.com / lists/oss-security/2009/05/18/1
Mailing ListThird Party Advisory
redhat.com / support/errata/RHSA-2009-1335.html
Third Party Advisory
securityfocus.com / bid/35001
Broken LinkThird Party AdvisoryVDB Entry
securitytracker.com / id
Broken LinkThird Party AdvisoryVDB Entry
ubuntu.com / usn/USN-792-1
Third Party Advisory
vupen.com / english/advisories/2009/1377
Permissions RequiredThird Party Advisory
vupen.com / english/advisories/2010/0528
Permissions RequiredThird Party Advisory