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CVE-2009-0590

21
FAUCET Score

CVE-2009-0590 describes a denial-of-service vulnerability in OpenSSL versions prior to 0.9.8k, affecting Debian Linux and OpenSSL itself. An attacker can trigger an application crash by providing malformed BMPString or UniversalString data with an invalid encoded length to the ASN1_STRING_print_ex function. This vulnerability has a CVSS score of 5.0, indicating a medium severity with low attack complexity and no authentication required, leading to a partial availability impact. There is no known active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.9.8kCPE matchmatch criteria
cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:4.0:*:*:*:*:*:*:*
5.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:*

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
6.19%
Probability of exploitation in next 30 days
EPSS Percentile
92.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0619 is in the 90th percentile among its peer group of 23,725 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 (7)

microsoftpatch availablevia msrc
Product: 16878-16820Fixed in: -
microsoftpatch availablevia msrc
Product: CBL Mariner 1.0 x64Fixed in: 1.1.1k-5
microsoftpatch availablevia msrc
Product: CBL Mariner 1.0 ARMFixed in: 1.1.1k-5
microsoftpatch availablevia msrc
Product: cm1 openssl 1.1.1k-5 on CBL Mariner 1.0Fixed in: -
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: openssl-0:0.9.7a-43.17.el4_8.5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: openssl-0:0.9.7a-33.26
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: openssl-0:0.9.8e-12.el5
View patch

Vendor Advisories (3)

microsoft2020-Sep/CVE-2009-0590

CVE-2009-0590

Sep 8, 2020
redhatCVE-2009-0590Low

openssl: ASN1 printing crash

Mar 25, 2009
microsoft2009-Mar/CVE-2009-0590Moderate

The ASN1_STRING_print_ex function in OpenSSL before 0.9.8k allows remote attackers to cause a denial of service (invalid memory access and application crash) via vectors that trigger printing of a (1) BMPString or (2) UniversalString with an invalid encoded length.

Mar 2, 2009

References

ftp.netbsd.org / pub/NetBSD/security/advisories/NetBSD-SA2009-008.txt.asc
Third Party Advisory
lists.apple.com / archives/security-announce/2009/Sep/msg00004.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2009-05/msg00000.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2011-07/msg00013.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2011-07/msg00014.html
Mailing ListThird Party Advisory
lists.vmware.com / pipermail/security-announce/2010/000082.html
Third Party Advisory
marc.info
Mailing ListThird Party Advisory
marc.info
Mailing ListThird Party Advisory
marc.info
Mailing ListThird Party Advisory
secunia.com / advisories/34411
Third Party Advisory
secunia.com / advisories/34460
Third Party Advisory
secunia.com / advisories/34509
Third Party Advisory
secunia.com / advisories/34561
Third Party Advisory
secunia.com / advisories/34666
Third Party Advisory
secunia.com / advisories/34896
Third Party Advisory
secunia.com / advisories/34960
Third Party Advisory
secunia.com / advisories/35065
Third Party Advisory
secunia.com / advisories/35181
Third Party Advisory
secunia.com / advisories/35380
Third Party Advisory
secunia.com / advisories/35729
Third Party Advisory
secunia.com / advisories/36533
Third Party Advisory
secunia.com / advisories/36701
Third Party Advisory
secunia.com / advisories/38794
Third Party Advisory
secunia.com / advisories/38834
Third Party Advisory
secunia.com / advisories/42467
Third Party Advisory
secunia.com / advisories/42724
Third Party Advisory
secunia.com / advisories/42733
Third Party Advisory
security.freebsd.org / advisories/FreeBSD-SA-09:08.openssl.asc
Third Party Advisory
securitytracker.com / id
Third Party AdvisoryVDB Entry
exchange.xforce.ibmcloud.com / vulnerabilities/49431
Third Party AdvisoryVDB Entry
kb.bluecoat.com / index
Third Party Advisory
lists.balabit.com / pipermail/syslog-ng-announce/2011-January/000101.html
Third Party Advisory
lists.balabit.com / pipermail/syslog-ng-announce/2011-January/000102.html
Third Party Advisory
sourceforge.net / project/shownotes.php
PatchThird Party Advisory
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10198
Third Party Advisory
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6996
Third Party Advisory
sunsolve.sun.com / search/document.do
Broken Link
support.apple.com / kb/HT3865
Third Party Advisory
support.avaya.com / elmodocs2/security/ASA-2009-172.htm
Third Party Advisory
voodoo-circle.sourceforge.net / sa/sa-20090326-01.html
Third Party Advisory
wiki.rpath.com / Advisories:rPSA-2009-0057
Broken Link
wiki.rpath.com / wiki/Advisories:rPSA-2009-0057
Broken Link
debian.org / security/2009/dsa-1763
Third Party Advisory
mandriva.com / security/advisories
Third Party Advisory
openssl.org / news/secadv_20090325.txt
Vendor Advisory
osvdb.org / 52864
Broken Link
php.net / archive/2009.php
Third Party Advisory
redhat.com / support/errata/RHSA-2009-1335.html
Third Party Advisory
securityfocus.com / archive/1/502429/100/0/threaded
Third Party AdvisoryVDB Entry
securityfocus.com / archive/1/515055/100/0/threaded
Third Party AdvisoryVDB Entry
securityfocus.com / bid/34256
PatchThird Party AdvisoryVDB Entry
ubuntu.com / usn/usn-750-1
Third Party Advisory
vmware.com / security/advisories/VMSA-2010-0019.html
Third Party Advisory
vupen.com / english/advisories/2009/0850
Permissions Required
vupen.com / english/advisories/2009/1020
Permissions Required
vupen.com / english/advisories/2009/1175
Permissions Required
vupen.com / english/advisories/2009/1220
Permissions Required
vupen.com / english/advisories/2009/1548
Permissions Required
vupen.com / english/advisories/2010/0528
Permissions Required
vupen.com / english/advisories/2010/3126
Permissions Required