gopacket provides packet processing capabilities for Go. (CVE-2026-54345)
A vulnerability in gopacket versions 1.6.0 and earlier allows unauthenticated remote denial of service via unbounded memory allocation triggered by a crafted Diameter AVP message. The issue is fixed in version 1.6.1.
AI Analysis
Technical Summary
In gopacket versions 1.6.0 and earlier, the Diameter AVP decoder calculates the AVP data length by subtracting a fixed header size from an attacker-controlled AVP Length field. If the AVP Length is smaller than the 12-byte header, this causes an unsigned 32-bit underflow, resulting in an unbounded memory allocation of approximately 4 GiB. Processing two such crafted messages in succession can cause the collector process to be killed due to out-of-memory conditions, resulting in an unauthenticated remote denial of service. This vulnerability is addressed in version 1.6.1.
Potential Impact
An attacker can cause a denial of service by sending specially crafted Diameter AVP messages that trigger excessive memory allocation, leading to out-of-memory termination of the affected process. There is no impact on confidentiality or integrity.
Mitigation Recommendations
Upgrade gopacket to version 1.6.1 or later, where this issue is fixed. No other mitigations are indicated.
gopacket provides packet processing capabilities for Go. (CVE-2026-54345)
Description
A vulnerability in gopacket versions 1.6.0 and earlier allows unauthenticated remote denial of service via unbounded memory allocation triggered by a crafted Diameter AVP message. The issue is fixed in version 1.6.1.
CVSS v3.1
Score 7.5high
Affected software
pkg:deb/ubuntu/gopacket?arch=source&distro=xenialpkg:deb/ubuntu/gopacket?arch=source&distro=bionicpkg:deb/ubuntu/gopacket?arch=source&distro=focalpkg:deb/ubuntu/gopacket?arch=source&distro=jammypkg:deb/ubuntu/golang-github-gopacket-gopacket?arch=source&distro=noblepkg:deb/ubuntu/gopacket?arch=source&distro=noblepkg:deb/ubuntu/golang-github-gopacket-gopacket?arch=source&distro=resolutepkg:deb/ubuntu/gopacket?arch=source&distro=resoluteRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
In gopacket versions 1.6.0 and earlier, the Diameter AVP decoder calculates the AVP data length by subtracting a fixed header size from an attacker-controlled AVP Length field. If the AVP Length is smaller than the 12-byte header, this causes an unsigned 32-bit underflow, resulting in an unbounded memory allocation of approximately 4 GiB. Processing two such crafted messages in succession can cause the collector process to be killed due to out-of-memory conditions, resulting in an unauthenticated remote denial of service. This vulnerability is addressed in version 1.6.1.
Potential Impact
An attacker can cause a denial of service by sending specially crafted Diameter AVP messages that trigger excessive memory allocation, leading to out-of-memory termination of the affected process. There is no impact on confidentiality or integrity.
Mitigation Recommendations
Upgrade gopacket to version 1.6.1 or later, where this issue is fixed. No other mitigations are indicated.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- UBUNTU-CVE-2026-54345
- Osv Schema Version
- 1.7.0
- Aliases
- []
- Ecosystems
- ["Ubuntu:16.04:LTS","Ubuntu:18.04:LTS","Ubuntu:20.04:LTS","Ubuntu:22.04:LTS","Ubuntu:24.04:LTS","Ubuntu:26.04:LTS"]
- Database Specific Severity
- null
- Cvss Version
- 3.1
Threat ID: 6a757448bf8831d539d9ac47
Added to database: 08/07/2026, 05:59:36 UTC
Last enriched: 08/07/2026, 06:14:57 UTC
Last updated: 08/07/2026, 12:41:12 UTC
Views: 7
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.