How severe is CVE-2013-3562?

CVE-2013-3562 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2013-3562 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-2013-3562?

CVE-2013-3562 primarily affects Wireshark. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-3562?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-3562 published?

CVE-2013-3562 was published on 2013-05-25 and last updated on 2026-06-16.

CVE-2013-3562

CVE-2013-3562 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. The underlying weakness is classified as CWE-189.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-189
Affected product: Wireshark
Published: 2013-05-25
Last modified: 2026-06-16

Description

Multiple integer signedness errors in the tvb_unmasked function in epan/dissectors/packet-websocket.c in the Websocket dissector in Wireshark 1.8.x before 1.8.7 allow remote attackers to cause a denial of service (application crash) via a malformed packet.

Frequently asked questions

What is CVE-2013-3562?: Multiple integer signedness errors in the tvb_unmasked function in epan/dissectors/packet-websocket.c in the Websocket dissector in Wireshark 1.8.x before 1.8.7 allow remote attackers to cause a denial of service (application crash) via a malformed packet.
How severe is CVE-2013-3562?: CVE-2013-3562 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2013-3562 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-2013-3562?: CVE-2013-3562 primarily affects Wireshark. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-3562?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-3562 published?: CVE-2013-3562 was published on 2013-05-25 and last updated on 2026-06-16.

References

Affected products (11)

cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:opensuse:12.2:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:opensuse:12.3:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.8.0:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.8.1:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.8.2:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.8.3:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.8.4:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.8.5:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:1.8.6:*:*:*:*:*:*:*

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…
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CVE-2009-1266 — Critical (CVSS 10.0): Unspecified vulnerability in Wireshark before 1.0.7 has unknown impact and attack vectors.
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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…

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Other CWE-189 (Numeric Errors) vulnerabilities

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CVE-2015-3836 — Critical (CVSS 10.0): The Parse_wave function in arm-wt-22k/lib_src/eas_mdls.c in the Sonivox DLS-to-EAS converter in Android before 5.1.1…
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