CVE-2010-1455: The DOCSIS dissector in Wireshark 0.9.6 through 1.0.12 and 1.2.0 through 1.2.7 allows user-assisted remote att

Routine

MEDIUM 4.3DOWNGRADEDOWNGRADE

CVE-2010-1455 is a medium-severity flaw (CVSS 4.3) affecting ethereal, wireshark. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The DOCSIS dissector in Wireshark 0.9.6 through 1.0.12 and 1.2.0 through 1.2.7 allows user-assisted remote attackers to cause a denial of service (application crash) via a malformed packet trace file.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	1.7% (top 23%)
CISA exploited list	No
Weakness	CWE-20
Published	2010-05-12
Last modified	2026-06-16

Publisher (CNA): Red Hat, Inc. · Vendor: ethereal group · wireshark

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2010-05-12 11:46 UTCPublished CVE record published
2026-06-16 23:18 UTCUpdated Record last modified

ethereal group ethereal DOWNGRADE

Affected: 0.9.6 · 0.9.7 · 0.9.8 · 0.99.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.9.6

1. Check installed version

apt-cache policy ethereal || rpm -q ethereal || ethereal --version

2. No fixed release: DOWNGRADE to a release before 0.9.6 (Debian / Ubuntu)

apt-cache madison ethereal sudo apt install ethereal=<VERSION_BEFORE_0.9.6> sudo apt-mark hold ethereal

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list ethereal sudo dnf downgrade ethereal-<VERSION_BEFORE_0.9.6> sudo dnf versionlock add ethereal

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

wireshark wireshark DOWNGRADE

Affected: 0.9.6 · 0.99.0 · 0.99.1 · 0.99.2 · 0.99.3 · 0.99.4 · 0.99.5 · 0.99.6

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.9.6

1. Check installed version

apt-cache policy wireshark || rpm -q wireshark || wireshark --version

2. No fixed release: DOWNGRADE to a release before 0.9.6 (Debian / Ubuntu)

apt-cache madison wireshark sudo apt install wireshark=<VERSION_BEFORE_0.9.6> sudo apt-mark hold wireshark

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list wireshark sudo dnf downgrade wireshark-<VERSION_BEFORE_0.9.6> sudo dnf versionlock add wireshark

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2010-1455?

ethereal: downgrade or apply the listed mitigation; wireshark: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2010-1455 being exploited?

CVE-2010-1455 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2010-1455 affect?

CVE-2010-1455 affects ethereal, wireshark. Severity is medium (CVSS 4.3). The DOCSIS dissector in Wireshark 0.9.6 through 1.0.12 and 1.2.0 through 1.2.7 allows user-assisted remote attackers to cause a denial of service (application crash) via a malformed packet trace file.

How urgent is CVE-2010-1455?

Priority 34/100. No elevated risk signals yet.

Related CVEs

CVE-2007-6121 MEDIUM 5.0 DOWNGRADE DOWNGRADE Wireshark (formerly Ethereal) 0.8.16 to 0.99.6 allows remote attackers to cause a denial of service (crash) vi
CVE-2007-6120 MEDIUM 5.0 DOWNGRADE DOWNGRADE The Bluetooth SDP dissector Wireshark (formerly Ethereal) 0.99.2 to 0.99.6 allows remote attackers to cause a
CVE-2007-6118 HIGH 7.8 DOWNGRADE DOWNGRADE The MEGACO dissector in Wireshark (formerly Ethereal) 0.9.14 to 0.99.6 allows remote attackers to cause a deni
CVE-2007-6111 HIGH 7.1 DOWNGRADE DOWNGRADE Multiple unspecified vulnerabilities in Wireshark (formerly Ethereal) allow remote attackers to cause a denial
CVE-2006-3632 HIGH 10.0 DOWNGRADE Buffer overflow in Wireshark (aka Ethereal) 0.8.16 to 0.99.0 allows remote attackers to cause a denial of serv

References

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