CVE-2012-3423
The IcedTea-Web plugin before 1.2.1 does not properly handle NPVariant NPStrings without NUL...
The IcedTea-Web plugin before 1.2.1 does not properly handle NPVariant NPStrings without NUL terminators, which allows remote attackers to cause a denial of service (crash), obtain sensitive information from memory, or execute arbitrary code via a crafted Java applet.
Exploit likelihood
What each source reports
NVD Score used
The IcedTea-Web plugin before 1.2.1 does not properly handle NPVariant NPStrings without NUL terminators, which allows remote attackers to cause a denial of service (crash), obtain sensitive information from memory, or execute arbitrary code via a crafted Java applet.
- Record
CVE-2012-3423- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
The IcedTea-Web plugin before 1.2.1 does not properly handle NPVariant NPStrings without NUL terminators, which allows remote attackers to cause a denial of service (crash), obtain sensitive information from memory, or execute arbitrary code via a crafted Java applet.
- Record
CVE-2012-3423- Updated
- 2026-11-02
EUVDEUVD-2012-3393 No score
The IcedTea-Web plugin before 1.2.1 does not properly handle NPVariant NPStrings without NUL terminators, which allows remote attackers to cause a denial of service (crash), obtain sensitive information from memory, or execute arbitrary code via a crafted Java applet.
- Record
EUVD-2012-3393- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wg7g-m9g6-qcmw No score
The IcedTea-Web plugin before 1.2.1 does not properly handle NPVariant NPStrings without NUL...
The IcedTea-Web plugin before 1.2.1 does not properly handle NPVariant NPStrings without NUL terminators, which allows remote attackers to cause a denial of service (crash), obtain sensitive information from memory, or execute arbitrary code via a crafted Java applet.
- Record
GHSA-wg7g-m9g6-qcmw- Weakness
- CWE-119
- Updated
- 2026-11-02
OSV No score
The IcedTea-Web plugin before 1.2.1 does not properly handle NPVariant NPStrings without NUL terminators, which allows remote attackers to cause a denial of service (crash), obtain sensitive information from memory, or execute arbitrary code via a crafted Java applet.
- Record
CVE-2012-3423- Updated
- 2026-11-02
OSVDEBIAN-CVE-2012-3423 No score
The IcedTea-Web plugin before 1.2.1 does not properly handle NPVariant NPStrings without NUL terminators, which allows remote attackers to cause a denial of service (crash), obtain sensitive information from memory, or execute arbitrary code via a crafted Java applet.
- Record
DEBIAN-CVE-2012-3423- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10316-1 No score
icedtea-web-javadoc-1.6.2-3.3 on GA media
These are all security issues fixed in the icedtea-web-javadoc-1.6.2-3.3 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10316-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
icedtea-webDebian:12 |
before 1.3-1 | 1.3-1 |
icedtea-webDebian:13 |
before 1.3-1 | 1.3-1 |
icedtea-webDebian:14 |
before 1.3-1 | 1.3-1 |
icedtea-webRed Hat:enterprise_linux:6::client |
before 0:1.2.1-1.el6_3 | 0:1.2.1-1.el6_3 |
icedtea-web-debuginfoRed Hat:enterprise_linux:6::client |
before 0:1.2.1-1.el6_3 | 0:1.2.1-1.el6_3 |
icedtea-web-javadocRed Hat:enterprise_linux:6::client |
before 0:1.2.1-1.el6_3 | 0:1.2.1-1.el6_3 |
icedtea-webRed Hat:enterprise_linux:6::computenode |
before 0:1.2.1-1.el6_3 | 0:1.2.1-1.el6_3 |
icedtea-web-debuginfoRed Hat:enterprise_linux:6::computenode |
before 0:1.2.1-1.el6_3 | 0:1.2.1-1.el6_3 |
icedtea-web-javadocRed Hat:enterprise_linux:6::computenode |
before 0:1.2.1-1.el6_3 | 0:1.2.1-1.el6_3 |
icedtea-webRed Hat:enterprise_linux:6::server |
before 0:1.2.1-1.el6_3 | 0:1.2.1-1.el6_3 |
Show 5 moreShow less
| Package | Affected | Fixed |
|---|---|---|
icedtea-web-debuginfoRed Hat:enterprise_linux:6::server |
before 0:1.2.1-1.el6_3 | 0:1.2.1-1.el6_3 |
icedtea-web-javadocRed Hat:enterprise_linux:6::server |
before 0:1.2.1-1.el6_3 | 0:1.2.1-1.el6_3 |
icedtea-webRed Hat:enterprise_linux:6::workstation |
before 0:1.2.1-1.el6_3 | 0:1.2.1-1.el6_3 |
icedtea-web-debuginfoRed Hat:enterprise_linux:6::workstation |
before 0:1.2.1-1.el6_3 | 0:1.2.1-1.el6_3 |
icedtea-web-javadocRed Hat:enterprise_linux:6::workstation |
before 0:1.2.1-1.el6_3 | 0:1.2.1-1.el6_3 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2012-3423 is a high vulnerability (CVSS 7.5) in Redhat Icedtea-web, published August 7, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 6.17%, the 93rd percentile. Fixed in icedtea-web 1.3-1.
References
security.gentoo.org/glsa/glsa-201406-32.xml
icedtea.classpath.org/hg/release/icedtea-web-1.2/file/icedtea-web-1.2.1/NEWS
lists.opensuse.org/opensuse-security-announce/2013-05/msg00020.html
ubuntu.com/usn/USN-1521-1
Show 35 moreShow less
bugzilla.redhat.com/show_bug.cgi?id=841345
rhn.redhat.com/errata/RHSA-2012-1132.html
secunia.com/advisories/50089
nvd.nist.gov/vuln/detail/CVE-2012-3423
github.com/advisories/GHSA-wg7g-m9g6-qcmw
security-tracker.debian.org/tracker/CVE-2012-3423
access.redhat.com/errata/RHSA-2012:1132
security.access.redhat.com/data/csaf/v2/advisories/2012/rhsa-2012_1132.json
cve.org/CVERecord?id=CVE-2012-3422
suse.com/security/cve/CVE-2011-2513