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WatchlistCritical

CVE-2010-4538Wireshark Memory Corruption

Buffer overflow in the sect_enttec_dmx_da function in epan/dissectors/packet-enttec.c in Wireshark 1.4.2 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted ENTTEC DMX packet with Run Length Encoding (RLE)…

Published Jan 7, 2011 · Updated Aug 4, 2026 · Also known as DEBIAN-CVE-2010-4538, DSA-2144-1

Key Facts

Patch immediately
  • CVE-2010-4538 is a critical-severity vulnerability (CVSS 9.3 v2) affecting Wireshark, wireshark-devel (oracle), wireshark-gnome (oracle) and 2 more products.
  • It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
  • EPSS estimates a 29% probability of exploitation in the next 30 days.
  • Fixed versions are available, including Wireshark 0:1.0.15-1.el4_8.3, Wireshark 0:1.0.15-1.el5_5.3, Wireshark 0:1.2.13-1.el6_0.2.
  • Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.

Scores

CVSS v2

9.3

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

EPSS (30-day exploit likelihood)

29%

Higher than 98.1% of all scored CVEs

Exploit maturity

Proof of concept

ATLAS score

42/100

Publication score, see How it works

Exploitation Verdict

KEV listed

Not listed

Federal due date

None

No federal due date

Ransomware use

Not reported

Attributed actors

None named

Exploit & Defence Guidance

Exploit maturity

Proof of concept

Public exploit code

1

Proof-of-concept links

In-the-wild evidence

0

Reports of active use

Description

Buffer overflow in the sect_enttec_dmx_da function in epan/dissectors/packet-enttec.c in Wireshark 1.4.2 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted ENTTEC DMX packet with Run Length Encoding (RLE) compression.

Affected Products

25 affected entries in total
ProductAffected versionsFixed in
WiresharkWireshark1.4.21.2.11-6
wireshark-develoracleSee advisory1.2.13-1.0.1.el6_0.2
wireshark-gnomeoracleSee advisory1.0.15-1.0.1.el5_5.3
wireshark-ui-gtksuseSee advisory2.2.2-1.1
wireshark-ui-qtsuseSee advisory2.2.2-1.1

Patched Releases

Wireshark

0:1.0.15-1.el4_8.3, 0:1.0.15-1.el5_5.3, 0:1.2.13-1.el6_0.2, 1.0.15-1.0.1.el5_5.3, 1.0.2-3+lenny12, 1.2.11-6, 1.2.13-1.0.1.el6_0.2, 2.2.2-1.1

wireshark-devel

1.2.13-1.0.1.el6_0.2, 2.2.2-1.1

wireshark-gnome

1.0.15-1.0.1.el5_5.3, 1.2.13-1.0.1.el6_0.2

wireshark-ui-gtk

2.2.2-1.1

wireshark-ui-qt

2.2.2-1.1

Timeline

  1. Publicly disclosed

    Jan 7, 2011

  2. Last updated

    Aug 4, 2026

Weakness Type

  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

15 more references in the full CVE brief

FAQ

Common Questions.

Is CVE-2010-4538 On Your Attack Surface?

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Figures as of Oct 19, 2026. Compiled by Brandefense technologies from public vulnerability catalogs; scoring as described in How it works.

To report an error, contact Brandefense.