CVE-2014-6421
CVE-2014-6421 is a medium-severity vulnerability in Wireshark with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 2.0 base score 5.0)
- EPSS exploit prediction: 3% (85th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Wireshark
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2014-6421?
- 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.
- How severe is CVE-2014-6421?
- CVE-2014-6421 has a CVSS 2.0 base score of 5.0, rated medium severity.
- Is CVE-2014-6421 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2014-6421?
- CVE-2014-6421 primarily affects Wireshark. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2014-6421?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2014-6421 published?
- CVE-2014-6421 was published on 2014-09-20 and last updated on 2026-06-17.
References
- http://linux.oracle.com/errata/ELSA-2014-1676
- http://linux.oracle.com/errata/ELSA-2014-1677
- http://lists.opensuse.org/opensuse-security-announce/2014-09/msg00033.html
- http://lists.opensuse.org/opensuse-updates/2014-09/msg00058.html
- http://rhn.redhat.com/errata/RHSA-2014-1676.html
- http://rhn.redhat.com/errata/RHSA-2014-1677.html
- http://secunia.com/advisories/60280
- http://secunia.com/advisories/61929
- http://secunia.com/advisories/61933
- http://www.wireshark.org/security/wnpa-sec-2014-12.html
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=9920
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=04c05a21e34cec326f1aff2f5f8a6e74e1ced984
Affected products (10)
- cpe:2.3:a:wireshark:wireshark:1.10.0:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:1.10.1:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:1.10.2:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:1.10.3:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:1.10.4:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:1.10.5:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:1.10.6:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:1.10.7:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:1.10.8:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:1.10.9:*:*:*:*:*:*:*
More vulnerabilities in Wireshark
- CVE-2011-0444 — Critical (CVSS 10.0): Buffer overflow in the MAC-LTE dissector (epan/dissectors/packet-mac-lte.c) in Wireshark 1.2.0 through 1.2.13 and 1.4.0…
- CVE-2010-2995 — Critical (CVSS 10.0): The SigComp Universal Decompressor Virtual Machine (UDVM) in Wireshark 0.10.8 through 1.0.14 and 1.2.0 through 1.2.9…
- CVE-2010-2994 — Critical (CVSS 10.0): Stack-based buffer overflow in the ASN.1 BER dissector in Wireshark 0.10.13 through 1.0.14 and 1.2.0 through 1.2.9 has…
- CVE-2009-1266 — Critical (CVSS 10.0): Unspecified vulnerability in Wireshark before 1.0.7 has unknown impact and attack vectors.
- CVE-2009-1210 — Critical (CVSS 10.0): Format string vulnerability in the PROFINET/DCP (PN-DCP) dissector in Wireshark 1.0.6 and earlier allows remote…
- CVE-2008-3146 — Critical (CVSS 10.0): Multiple buffer overflows in packet_ncp2222.inc in Wireshark (formerly Ethereal) 0.9.7 through 1.0.2 allow attackers to…