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Vulnerability record · CVE-2011-0538 · published 8 February 2011

CVE-2011-0538: Wireshark memory buffer overflow vulnerability

Wireshark · Wireshark

Wireshark 1.2.0 through 1.2.14, 1.4.0 through 1.4.3, and 1.5.0 frees an uninitialized pointer during processing of a .pcap file in the pcap-ng format, which allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via a malformed file.

6.8 CVSS 2.0 Medium EPSS 7.5% · top 5.7% CWE-119 · Memory buffer overflow
6.8CVSS 2.0 base score
7.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
52References, 4 tagged exploit
16 Jun 2026Last modified by NVD

Description

Wireshark 1.2.0 through 1.2.14, 1.4.0 through 1.4.3, and 1.5.0 frees an uninitialized pointer during processing of a .pcap file in the pcap-ng format, which allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via a malformed file.

AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055364.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055650.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055664.html
http://openwall.com/lists/oss-security/2011/02/04/1 Patch
http://secunia.com/advisories/43759 Vendor Advisory
http://secunia.com/advisories/43795 Vendor Advisory
http://secunia.com/advisories/43821 Vendor Advisory
http://www.debian.org/security/2011/dsa-2201
http://www.kb.cert.org/vuls/id/215900 US Government Resource
http://www.mandriva.com/security/advisories?name=MDVSA-2011:044
http://www.redhat.com/support/errata/RHSA-2011-0369.html Vendor Advisory
http://www.redhat.com/support/errata/RHSA-2011-0370.html Vendor Advisory
http://www.securityfocus.com/bid/46167 Exploit
http://www.securitytracker.com/id?1025148
http://www.vupen.com/english/advisories/2011/0622 Vendor Advisory
http://www.vupen.com/english/advisories/2011/0626 Vendor Advisory
http://www.vupen.com/english/advisories/2011/0719 Vendor Advisory
http://www.vupen.com/english/advisories/2011/0747 Vendor Advisory
http://www.wireshark.org/docs/relnotes/wireshark-1.2.15.html
http://www.wireshark.org/docs/relnotes/wireshark-1.4.4.html
http://www.wireshark.org/security/wnpa-sec-2011-03.html
http://www.wireshark.org/security/wnpa-sec-2011-04.html
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5652 ExploitPatch
https://bugzilla.redhat.com/show_bug.cgi?id=676232
https://exchange.xforce.ibmcloud.com/vulnerabilities/65182
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14605
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055364.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055650.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055664.html
http://openwall.com/lists/oss-security/2011/02/04/1 Patch
http://secunia.com/advisories/43759 Vendor Advisory
http://secunia.com/advisories/43795 Vendor Advisory
http://secunia.com/advisories/43821 Vendor Advisory
http://www.debian.org/security/2011/dsa-2201
http://www.kb.cert.org/vuls/id/215900 US Government Resource
http://www.mandriva.com/security/advisories?name=MDVSA-2011:044
http://www.redhat.com/support/errata/RHSA-2011-0369.html Vendor Advisory
http://www.redhat.com/support/errata/RHSA-2011-0370.html Vendor Advisory
http://www.securityfocus.com/bid/46167 Exploit
http://www.securitytracker.com/id?1025148

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2011-0444Wireshark memory buffer overflow vulnerabilityBuffer 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 through 1.4.2 allows remote a…EPSS 7.2%10.0CVE-2010-2994Wireshark memory buffer overflow vulnerabilityStack-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 unknown impact and remote atta…EPSS 2.4%10.0CVE-2010-2995Wireshark vulnerabilityThe SigComp Universal Decompressor Virtual Machine (UDVM) in Wireshark 0.10.8 through 1.0.14 and 1.2.0 through 1.2.9 allows remote attackers to cause…EPSS 6.7%10.0CVE-2009-1266Wireshark vulnerabilityUnspecified vulnerability in Wireshark before 1.0.7 has unknown impact and attack vectors.EPSS 1.6%10.0CVE-2009-1210Wireshark vulnerabilityFormat string vulnerability in the PROFINET/DCP (PN-DCP) dissector in Wireshark 1.0.6 and earlier allows remote attackers to execute arbitrary code v…EPSS 15%10.0CVE-2008-3146Wireshark memory buffer overflow vulnerabilityMultiple buffer overflows in packet_ncp2222.inc in Wireshark (formerly Ethereal) 0.9.7 through 1.0.2 allow attackers to cause a denial of service (ap…EPSS 4.0%10.0CVE-2007-6112Wireshark memory buffer overflow vulnerabilityBuffer overflow in the PPP dissector Wireshark (formerly Ethereal) 0.99.6 allows remote attackers to cause a denial of service (crash) and possibly e…EPSS 6.2%10.0CVE-2007-6114Wireshark memory buffer overflow vulnerabilityMultiple buffer overflows in Wireshark (formerly Ethereal) 0.99.0 through 0.99.6 allow remote attackers to cause a denial of service (crash) and poss…EPSS 6.2%

Source: NIST National Vulnerability Database (record CVE-2011-0538), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.