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Fencer Vulns
medium 5.0

CVE-2009-0590 json

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…

published 2009-03-27 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-0593

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.7%
EPSS 6.7% chance of exploitation in 30 days, percentile 93%
public exploits
0
none known

Summary

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.

Patch / fix

  • openssl openssl 0.9.8k
  • openssl Debian 14, Debian 13, Debian 12 0.9.8g-16

debian advisories DEBIAN-CVE-2009-0590

  • openssl RHEL 3 0.9.7a-33.26
  • openssl RHEL 4 0.9.7a-43.17.el4_8.5
  • openssl-perl RHEL 3 0.9.7a-33.26
  • openssl-perl RHEL 4 0.9.7a-43.17.el4_8.5
  • openssl RHEL 5 0.9.8e-12.el5
  • openssl-perl RHEL 5 0.9.8e-12.el5

red hat advisories RHSA-2010:0163RHSA-2009:1335

  • openssl-1_1 openSUSE Tumbleweed 1.1.1l-1.2

opensuse advisories openSUSE-SU-2024:11127-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2009-0590 updated cvss 2.6

openssl: ASN1 printing crash

  • Red Hat Desktop version 3 openssl 0.9.7a-33.26, openssl-perl 0.9.7a-33.26
    fixed: vendor fix RHSA-2010:0163
  • Red Hat Enterprise Linux (v. 5 server) openssl 0.9.8e-12.el5, openssl-perl 0.9.8e-12.el5
    fixed: vendor fix RHSA-2009:1335
  • Red Hat Enterprise Linux AS version 3 openssl 0.9.7a-33.26, openssl-perl 0.9.7a-33.26 Red Hat Enterprise Linux AS version 4 openssl 0.9.7a-43.17.el4_8.5, openssl-perl 0.9.7a-43.17.el4_8.5
    fixed: vendor fix RHSA-2010:0163
  • Red Hat Enterprise Linux Desktop (v. 5 client) openssl 0.9.8e-12.el5, openssl-perl 0.9.8e-12.el5
    fixed: vendor fix RHSA-2009:1335
  • Red Hat Enterprise Linux Desktop version 4 openssl 0.9.7a-43.17.el4_8.5, openssl-perl 0.9.7a-43.17.el4_8.5
    fixed: vendor fix RHSA-2010:0163
  • Red Hat Enterprise Linux Desktop Workstation (v. 5 client) openssl 0.9.8e-12.el5, openssl-perl 0.9.8e-12.el5
    fixed: vendor fix RHSA-2009:1335
  • Red Hat Enterprise Linux ES version 3 openssl 0.9.7a-33.26, openssl-perl 0.9.7a-33.26 Red Hat Enterprise Linux ES version 4 openssl 0.9.7a-43.17.el4_8.5, openssl-perl 0.9.7a-43.17.el4_8.5 Red Hat Enterprise Linux WS version 3 openssl 0.9.7a-33.26, openssl-perl 0.9.7a-33.26 Red Hat Enterprise Linux WS version 4 openssl 0.9.7a-43.17.el4_8.5, openssl-perl 0.9.7a-43.17.el4_8.5
    fixed: vendor fix RHSA-2010:0163

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

6.71% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.