The bytes_repr_len function in Wireshark 1.4.5 uses an incorrect pointer argument, which allows remote attackers to cause a denial of…

Description

The bytes_repr_len function in Wireshark 1.4.5 uses an incorrect pointer argument, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via arbitrary TCP traffic.

Scores

EPSS (exploitation in 30 days)

5.9% · top 6.8% of all CVEs (3 Nov 2026)

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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.

Weakness

• n/a

Affected products

• n/a

  • affected n/a

References (8)

• http://www.wireshark.org/news/20110418.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• [oss-security] 20110531 CVE request for Wireshark 1.4.5 TCP DoS issue (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• oval:org.mitre.oval:def:14943 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• wireshark-desegmenttcp-dos(67789) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
• [oss-security] 20110601 Re: CVE request for Wireshark 1.4.5 TCP DoS issue (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• 44449 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://www.wireshark.org/docs/relnotes/wireshark-1.4.6.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5837 (opens in a new tab)x_refsource_CONFIRMx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Record last updated 6 Aug 2024, 22:46 UTC.