How severe is CVE-2011-1142?

CVE-2011-1142 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2011-1142 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-1142?

CVE-2011-1142 primarily affects Wireshark. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-1142?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2011-1142 published?

CVE-2011-1142 was published on 2011-03-03 and last updated on 2026-06-16.

CVE-2011-1142

CVE-2011-1142 is a high-severity vulnerability in Wireshark with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-835.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-835
Affected product: Wireshark
Published: 2011-03-03
Last modified: 2026-06-16

Description

Stack consumption vulnerability in the dissect_ber_choice function in the BER dissector in Wireshark 1.2.x through 1.2.15 and 1.4.x through 1.4.4 might allow remote attackers to cause a denial of service (infinite loop) via vectors involving self-referential ASN.1 CHOICE values.

Frequently asked questions

What is CVE-2011-1142?: Stack consumption vulnerability in the dissect_ber_choice function in the BER dissector in Wireshark 1.2.x through 1.2.15 and 1.4.x through 1.4.4 might allow remote attackers to cause a denial of service (infinite loop) via vectors involving self-referential ASN.1 CHOICE values.
How severe is CVE-2011-1142?: CVE-2011-1142 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2011-1142 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1142?: CVE-2011-1142 primarily affects Wireshark. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-1142?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2011-1142 published?: CVE-2011-1142 was published on 2011-03-03 and last updated on 2026-06-16.

References

Affected products (21)

cpe:2.3:a:wireshark:wireshark:1.2.0:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.2.1:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.2.2:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.2.3:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.2.4:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.2.5:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.2.6:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.2.7:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.2.8:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.2.9:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.2.10:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.2.11:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.2.12:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.2.13:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.2.14:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.2.15:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.4.0:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.4.1:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.4.2:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.4.3:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.4.4:*:*:*:*:*:*:*

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…

All CVEs affecting Wireshark →

Other CWE-835 (Loop with Unreachable Exit Condition (Infinite Loop)) vulnerabilities

CVE-2026-24816 — Critical (CVSS 10.0): Loop with Unreachable Exit Condition ('Infinite Loop') vulnerability in datavane tis…
CVE-2018-20784 — Critical (CVSS 9.8): In the Linux kernel before 4.20.2, kernel/sched/fair.c mishandles leaf cfs_rq's, which allows attackers to cause a…
CVE-2017-12997 — Critical (CVSS 9.8): The LLDP parser in tcpdump before 4.9.2 could enter an infinite loop due to a bug in…
CVE-2017-12995 — Critical (CVSS 9.8): The DNS parser in tcpdump before 4.9.2 could enter an infinite loop due to a bug in print-domain.c:ns_print().
CVE-2017-12990 — Critical (CVSS 9.8): The ISAKMP parser in tcpdump before 4.9.2 could enter an infinite loop due to bugs in print-isakmp.c, several functions.
CVE-2026-31448 — Critical (CVSS 9.4): In the Linux kernel, the following vulnerability has been resolved: ext4: avoid infinite loops caused by residual…

Browse all CWE-835 (Loop with Unreachable Exit Condition (Infinite Loop)) vulnerabilities →