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CVE-2014-6421

Use-after-free vulnerability in the SDP dissector in Wireshark 1.10.x before 1.10.10 allows...

5.0 MediumFix available

Use-after-free vulnerability in the SDP dissector in Wireshark 1.10.x before 1.10.10 allows remote attackers to cause a denial of service (application crash) via a crafted packet that leverages split memory ownership between the SDP and RTP dissectors.

Exploit likelihood

2.91%Up 0.7 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.0

Use-after-free vulnerability in the SDP dissector in Wireshark 1.10.x before 1.10.10 allows remote attackers to cause a denial of service (application crash) via a crafted packet that leverages split memory ownership between the SDP and RTP dissectors.

Record
CVE-2014-6421
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Updated
2026-11-02
CVE List No score

Use-after-free vulnerability in the SDP dissector in Wireshark 1.10.x before 1.10.10 allows remote attackers to cause a denial of service (application crash) via a crafted packet that leverages split memory ownership between the SDP and RTP dissectors.

Record
CVE-2014-6421
Updated
2026-11-02
EUVDEUVD-2014-6301 No score

Use-after-free vulnerability in the SDP dissector in Wireshark 1.10.x before 1.10.10 allows remote attackers to cause a denial of service (application crash) via a crafted packet that leverages split memory ownership between the SDP and RTP dissectors.

Record
EUVD-2014-6301
Updated
2026-11-03
GitHub AdvisoriesGHSA-r6wm-v578-w5jm No score

Use-after-free vulnerability in the SDP dissector in Wireshark 1.10.x before 1.10.10 allows...

Use-after-free vulnerability in the SDP dissector in Wireshark 1.10.x before 1.10.10 allows remote attackers to cause a denial of service (application crash) via a crafted packet that leverages split memory ownership between the SDP and RTP dissectors.

Record
GHSA-r6wm-v578-w5jm
Updated
2026-11-02
OSV No score

Use-after-free vulnerability in the SDP dissector in Wireshark 1.10.x before 1.10.10 allows remote attackers to cause a denial of service (application crash) via a crafted packet that leverages split memory ownership between the SDP and RTP dissectors.

Record
CVE-2014-6421
Updated
2026-11-02
OSVDEBIAN-CVE-2014-6421 No score

Use-after-free vulnerability in the SDP dissector in Wireshark 1.10.x before 1.10.10 allows remote attackers to cause a denial of service (application crash) via a crafted packet that leverages split memory ownership between the SDP and RTP dissectors.

Record
DEBIAN-CVE-2014-6421
Updated
2026-11-02
Show 5 moreShow less
OSVMGASA-2014-0386 No score

Updated wireshark packages fix security vulnerabilities

Updated wireshark packages fix security vulnerabilities:

RTP dissector crash (CVE-2014-6421, CVE-2014-6422).

MEGACO dissector infinite loop (CVE-2014-6423).

Netflow dissector crash (CVE-2014-6424).

RTSP dissector crash (CVE-2014-6427).

SES dissector crash (CVE-2014-6428).

Sniffer file parser crash (CVE-2014-6429, CVE-2014-6430, CVE-2014-6431, CVE-2014-6432).

Record
MGASA-2014-0386
Updated
2026-11-02
OSVSUSE-SU-2015:0426-1 No score

Security update for wireshark

wireshark has been updated to version 1.10.11 to fix five security issues.

These security issues have been fixed:

* SigComp UDVM buffer overflow (CVE-2014-8710).
* AMQP dissector crash (CVE-2014-8711).
* NCP dissector crashes (CVE-2014-8712, CVE-2014-8713).
* TN5250 infinite loops (CVE-2014-8714).

This non-security issue has been fixed:

* enable zlib (bnc#899303).

Further bug fixes and updated protocol support as listed in:

https://www.wireshark.org/docs/relnotes/wireshark-1.10.11.html https://www.wireshark.org/docs/relnotes/wireshark-1.10.11.html

Security Issues:

* CVE-2014-8711
  <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8711>
* CVE-2014-8710
  <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8710>
* CVE-2014-8714
  <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8714>
* CVE-2014-8712
  <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8712>
* CVE-2014-8713
  <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8713>
Record
SUSE-SU-2015:0426-1
Updated
2026-11-02
OSVSUSE-SU-2015:0653-1 No score

Security update for wireshark

wireshark has been updated to version 1.10.11 to fix five security issues.

These security issues have been fixed:

* SigComp UDVM buffer overflow (CVE-2014-8710).
* AMQP dissector crash (CVE-2014-8711).
* NCP dissector crashes (CVE-2014-8712, CVE-2014-8713).
* TN5250 infinite loops (CVE-2014-8714).

This non-security issue has been fixed:

* enable zlib (bnc#899303).

Further bug fixes and updated protocol support as listed in:

https://www.wireshark.org/docs/relnotes/wireshark-1.10.11.html https://www.wireshark.org/docs/relnotes/wireshark-1.10.11.html

Security Issues:

* CVE-2014-8711
  <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8711>
* CVE-2014-8710
  <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8710>
* CVE-2014-8714
  <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8714>
* CVE-2014-8712
  <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8712>
* CVE-2014-8713
  <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8713>
Record
SUSE-SU-2015:0653-1
Updated
2026-11-02
OSVSUSE-SU-2015:1098-1 No score

Security update for wireshark

wireshark has been updated to version 1.10.11 to fix five security issues.

These security issues have been fixed:

* SigComp UDVM buffer overflow (CVE-2014-8710).
* AMQP dissector crash (CVE-2014-8711).
* NCP dissector crashes (CVE-2014-8712, CVE-2014-8713).
* TN5250 infinite loops (CVE-2014-8714).

This non-security issue has been fixed:

* enable zlib (bnc#899303).

Further bug fixes and updated protocol support as listed in:

https://www.wireshark.org/docs/relnotes/wireshark-1.10.11.html https://www.wireshark.org/docs/relnotes/wireshark-1.10.11.html

Security Issues:

* CVE-2014-8711
  <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8711>
* CVE-2014-8710
  <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8710>
* CVE-2014-8714
  <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8714>
* CVE-2014-8712
  <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8712>
* CVE-2014-8713
  <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8713>
Record
SUSE-SU-2015:1098-1
Updated
2026-11-02
OSVUBUNTU-CVE-2014-6421 No score

Use-after-free vulnerability in the SDP dissector in Wireshark 1.10.x before 1.10.10 allows remote attackers to cause a denial of service (application crash) via a crafted packet that leverages split memory ownership between the SDP and RTP dissectors.

Record
UBUNTU-CVE-2014-6421
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
wireshark
Debian:12
 before 1.12.0~rc1-1
1.12.0~rc1-1
wireshark
Debian:13
 before 1.12.0~rc1-1
1.12.0~rc1-1
wireshark
Debian:14
 before 1.12.0~rc1-1
1.12.0~rc1-1
wireshark
Mageia:3
 before 1.10.10-1.mga3
1.10.10-1.mga3
wireshark
Mageia:4
 before 1.10.10-1.mga4
1.10.10-1.mga4
wireshark
Red Hat:enterprise_linux:6::client
 before 0:1.8.10-8.el6_6
0:1.8.10-8.el6_6
wireshark-debuginfo
Red Hat:enterprise_linux:6::client
 before 0:1.8.10-8.el6_6
0:1.8.10-8.el6_6
wireshark-gnome
Red Hat:enterprise_linux:6::client
 before 0:1.8.10-8.el6_6
0:1.8.10-8.el6_6
wireshark-devel
Red Hat:enterprise_linux:6::client
 before 0:1.8.10-8.el6_6
0:1.8.10-8.el6_6
wireshark
Red Hat:enterprise_linux:6::server
 before 0:1.8.10-8.el6_6
0:1.8.10-8.el6_6
Show 30 moreShow less
Affected packages
PackageAffectedFixed
wireshark-debuginfo
Red Hat:enterprise_linux:6::server
 before 0:1.8.10-8.el6_6
0:1.8.10-8.el6_6
wireshark-gnome
Red Hat:enterprise_linux:6::server
 before 0:1.8.10-8.el6_6
0:1.8.10-8.el6_6
wireshark-devel
Red Hat:enterprise_linux:6::server
 before 0:1.8.10-8.el6_6
0:1.8.10-8.el6_6
wireshark
Red Hat:enterprise_linux:6::workstation
 before 0:1.8.10-8.el6_6
0:1.8.10-8.el6_6
wireshark-debuginfo
Red Hat:enterprise_linux:6::workstation
 before 0:1.8.10-8.el6_6
0:1.8.10-8.el6_6
wireshark-gnome
Red Hat:enterprise_linux:6::workstation
 before 0:1.8.10-8.el6_6
0:1.8.10-8.el6_6
wireshark-devel
Red Hat:enterprise_linux:6::workstation
 before 0:1.8.10-8.el6_6
0:1.8.10-8.el6_6
wireshark
Red Hat:enterprise_linux:7::client
 before 0:1.10.3-12.el7_0
0:1.10.3-12.el7_0
wireshark-debuginfo
Red Hat:enterprise_linux:7::client
 before 0:1.10.3-12.el7_0
0:1.10.3-12.el7_0
wireshark-gnome
Red Hat:enterprise_linux:7::client
 before 0:1.10.3-12.el7_0
0:1.10.3-12.el7_0
wireshark-devel
Red Hat:enterprise_linux:7::client
 before 0:1.10.3-12.el7_0
0:1.10.3-12.el7_0
wireshark
Red Hat:enterprise_linux:7::server
 before 0:1.10.3-12.el7_0
0:1.10.3-12.el7_0
wireshark-debuginfo
Red Hat:enterprise_linux:7::server
 before 0:1.10.3-12.el7_0
0:1.10.3-12.el7_0
wireshark-gnome
Red Hat:enterprise_linux:7::server
 before 0:1.10.3-12.el7_0
0:1.10.3-12.el7_0
wireshark-devel
Red Hat:enterprise_linux:7::server
 before 0:1.10.3-12.el7_0
0:1.10.3-12.el7_0
wireshark
Red Hat:enterprise_linux:7::workstation
 before 0:1.10.3-12.el7_0
0:1.10.3-12.el7_0
wireshark-debuginfo
Red Hat:enterprise_linux:7::workstation
 before 0:1.10.3-12.el7_0
0:1.10.3-12.el7_0
wireshark-gnome
Red Hat:enterprise_linux:7::workstation
 before 0:1.10.3-12.el7_0
0:1.10.3-12.el7_0
wireshark-devel
Red Hat:enterprise_linux:7::workstation
 before 0:1.10.3-12.el7_0
0:1.10.3-12.el7_0
wireshark
Red Hat:enterprise_linux:5::client
 before 0:1.0.15-7.el5_11
0:1.0.15-7.el5_11
wireshark-debuginfo
Red Hat:enterprise_linux:5::client
 before 0:1.0.15-7.el5_11
0:1.0.15-7.el5_11
wireshark
Red Hat:enterprise_linux:5::client_workstation
 before 0:1.0.15-7.el5_11
0:1.0.15-7.el5_11
wireshark-debuginfo
Red Hat:enterprise_linux:5::client_workstation
 before 0:1.0.15-7.el5_11
0:1.0.15-7.el5_11
wireshark-gnome
Red Hat:enterprise_linux:5::client_workstation
 before 0:1.0.15-7.el5_11
0:1.0.15-7.el5_11
wireshark
Red Hat:enterprise_linux:5::server
 before 0:1.0.15-7.el5_11
0:1.0.15-7.el5_11
wireshark-debuginfo
Red Hat:enterprise_linux:5::server
 before 0:1.0.15-7.el5_11
0:1.0.15-7.el5_11
wireshark-gnome
Red Hat:enterprise_linux:5::server
 before 0:1.0.15-7.el5_11
0:1.0.15-7.el5_11
wireshark
Ubuntu:14.04:LTS
 before 2.6.3-1~ubuntu14.04.1, plus listed versions
1.10.2-11.10.3-11.10.5-1ubuntu11.10.5-21.10.6-11.12.1+g01b65bf-4+deb8u11ubuntu0.14.04.1
2.6.3-1~ubuntu14.04.1
wireshark
Ubuntu:16.04:LTS
 before 2.6.3-1~ubuntu16.04.1, plus listed versions
1.12.7+g7fc8978-11.12.8+g5b6e543-22.0.1+g59ea380-3build12.0.2+ga16e22e-12.2.6+g32dac6a-2ubuntu0.16.04
2.6.3-1~ubuntu16.04.1
wireshark
Ubuntu:18.04:LTS
 before 2.6.3-1~ubuntu18.04.1, plus listed versions
2.4.2-12.4.3-12.4.4-12.4.5-1
2.6.3-1~ubuntu18.04.1

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-2014-6421 is a medium vulnerability (CVSS 5.0) in Wireshark, published September 20, 2014. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.91%, the 87th percentile. Fixed in wireshark 1.12.0~rc1-1.

References

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