The dissect_hsrp function in epan/dissectors/packet-hsrp.c in the HSRP dissector in Wireshark 1.8.x before 1.8.3 allows remote attackers…

Description

The dissect_hsrp function in epan/dissectors/packet-hsrp.c in the HSRP dissector in Wireshark 1.8.x before 1.8.3 allows remote attackers to cause a denial of service (infinite loop) via a malformed packet.

Scores

EPSS (exploitation in 30 days)

0.89% · top 41% of all CVEs (2 Nov 2026)

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The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 3.3.

Weakness

• n/a
• CWE-399 (opens in a new tab)

Affected products

• n/a

  • affected n/a

References (9)

• 55754 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• 85884 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
• http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-hsrp.c?r1=44454&r2=44453&pathrev=44454 (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7581 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 1027604 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• oval:org.mitre.oval:def:14992 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• http://www.wireshark.org/security/wnpa-sec-2012-26.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• wireshark-hsrp-dos(79009) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
• http://anonsvn.wireshark.org/viewvc?view=revision&revision=44454 (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, 20:58 UTC.