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CVE-2012-0042

Wireshark 1.4.x before 1.4.11 and 1.6.x before 1.6.5 does not properly perform certain string...

2.9 LowFix available

Wireshark 1.4.x before 1.4.11 and 1.6.x before 1.6.5 does not properly perform certain string conversions, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted packet, related to epan/to_str.c.

Exploit likelihood

1.85%Down 0.3 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 2.9

Wireshark 1.4.x before 1.4.11 and 1.6.x before 1.6.5 does not properly perform certain string conversions, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted packet, related to epan/to_str.c.

Record
CVE-2012-0042
CVSS 2.0
2.9 LowAV:A/AC:M/Au:N/C:N/I:N/A:P
Updated
2026-11-02
CVE List No score

Wireshark 1.4.x before 1.4.11 and 1.6.x before 1.6.5 does not properly perform certain string conversions, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted packet, related to epan/to_str.c.

Record
CVE-2012-0042
Updated
2026-11-02
EUVDEUVD-2012-0082 No score

Wireshark 1.4.x before 1.4.11 and 1.6.x before 1.6.5 does not properly perform certain string conversions, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted packet, related to epan/to_str.c.

Record
EUVD-2012-0082
Updated
2026-11-03
GitHub AdvisoriesGHSA-g5x6-f983-368j No score

Wireshark 1.4.x before 1.4.11 and 1.6.x before 1.6.5 does not properly perform certain string...

Wireshark 1.4.x before 1.4.11 and 1.6.x before 1.6.5 does not properly perform certain string conversions, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted packet, related to epan/to_str.c.

Record
GHSA-g5x6-f983-368j
Updated
2026-11-02
OSV No score

Wireshark 1.4.x before 1.4.11 and 1.6.x before 1.6.5 does not properly perform certain string conversions, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted packet, related to epan/to_str.c.

Record
CVE-2012-0042
Updated
2026-11-02
OSVDEBIAN-CVE-2012-0042 No score

Wireshark 1.4.x before 1.4.11 and 1.6.x before 1.6.5 does not properly perform certain string conversions, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted packet, related to epan/to_str.c.

Record
DEBIAN-CVE-2012-0042
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
wireshark
Debian:12
 before 1.6.5-1
1.6.5-1
wireshark
Debian:13
 before 1.6.5-1
1.6.5-1
wireshark
Debian:14
 before 1.6.5-1
1.6.5-1
wireshark
Debian:6.0
 before 1.2.11-6+squeeze6, plus listed versions
1.2.11-61.2.11-6+squeeze11.2.11-6+squeeze21.2.11-6+squeeze41.2.11-6+squeeze5
1.2.11-6+squeeze6
wireshark
Red Hat:enterprise_linux:6::client
 before 0:1.2.15-2.el6_2.1
0:1.2.15-2.el6_2.1
wireshark-debuginfo
Red Hat:enterprise_linux:6::client
 before 0:1.2.15-2.el6_2.1
0:1.2.15-2.el6_2.1
wireshark-devel
Red Hat:enterprise_linux:6::client
 before 0:1.2.15-2.el6_2.1
0:1.2.15-2.el6_2.1
wireshark-gnome
Red Hat:enterprise_linux:6::client
 before 0:1.2.15-2.el6_2.1
0:1.2.15-2.el6_2.1
wireshark
Red Hat:enterprise_linux:6::server
 before 0:1.2.15-2.el6_2.1
0:1.2.15-2.el6_2.1
wireshark-debuginfo
Red Hat:enterprise_linux:6::server
 before 0:1.2.15-2.el6_2.1
0:1.2.15-2.el6_2.1
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Affected packages
PackageAffectedFixed
wireshark-devel
Red Hat:enterprise_linux:6::server
 before 0:1.2.15-2.el6_2.1
0:1.2.15-2.el6_2.1
wireshark-gnome
Red Hat:enterprise_linux:6::server
 before 0:1.2.15-2.el6_2.1
0:1.2.15-2.el6_2.1
wireshark
Red Hat:enterprise_linux:6::workstation
 before 0:1.2.15-2.el6_2.1
0:1.2.15-2.el6_2.1
wireshark-debuginfo
Red Hat:enterprise_linux:6::workstation
 before 0:1.2.15-2.el6_2.1
0:1.2.15-2.el6_2.1
wireshark-devel
Red Hat:enterprise_linux:6::workstation
 before 0:1.2.15-2.el6_2.1
0:1.2.15-2.el6_2.1
wireshark-gnome
Red Hat:enterprise_linux:6::workstation
 before 0:1.2.15-2.el6_2.1
0:1.2.15-2.el6_2.1
wireshark
Red Hat:enterprise_linux:5::client_workstation
 before 0:1.0.15-5.el5
0:1.0.15-5.el5
wireshark-debuginfo
Red Hat:enterprise_linux:5::client_workstation
 before 0:1.0.15-5.el5
0:1.0.15-5.el5
wireshark-gnome
Red Hat:enterprise_linux:5::client_workstation
 before 0:1.0.15-5.el5
0:1.0.15-5.el5
wireshark
Red Hat:enterprise_linux:5::client
 before 0:1.0.15-5.el5
0:1.0.15-5.el5
wireshark-debuginfo
Red Hat:enterprise_linux:5::client
 before 0:1.0.15-5.el5
0:1.0.15-5.el5
wireshark
Red Hat:enterprise_linux:5::server
 before 0:1.0.15-5.el5
0:1.0.15-5.el5
wireshark-debuginfo
Red Hat:enterprise_linux:5::server
 before 0:1.0.15-5.el5
0:1.0.15-5.el5
wireshark-gnome
Red Hat:enterprise_linux:5::server
 before 0:1.0.15-5.el5
0:1.0.15-5.el5

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2012-0042 is a low vulnerability (CVSS 2.9) in Wireshark, published January 27, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.85%, the 79th percentile. Fixed in wireshark 1.6.5-1.

References

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