CVE-2026-60108: Zeek before 8.0.9 contains an uncontrolled memory consumption vulnerability in the FTP analyzer that allows un

Q: How do I fix CVE-2026-60108?

zeek: upgrade to 8.0.9. Exact commands for each OS are on this page.

Q: Is CVE-2026-60108 being exploited?

CVE-2026-60108 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-60108 affect?

CVE-2026-60108 affects zeek. Severity is high (CVSS 7.5). Zeek before 8.0.9 contains an uncontrolled memory consumption vulnerability in the FTP analyzer that allows unauthenticated remote attackers to cause process termination by sending a crafted FTP control session negotiating AUTH GSSAPI follo

Q: How urgent is CVE-2026-60108?

Priority 45/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.5REMOTEUPGRADE

CVE-2026-60108 is a high-severity flaw (CVSS 7.5) affecting zeek. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Zeek before 8.0.9 contains an uncontrolled memory consumption vulnerability in the FTP analyzer that allows unauthenticated remote attackers to cause process termination by sending a crafted FTP control session negotiating AUTH GSSAPI followed by a large ADAT control line. Attackers can exploit the NVT_Analyzer component's lack of a maximum line length check, causing it to continuously double its internal buffer without bounds during base64 decod

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.8% (top 44%)
CISA exploited list	No
Weakness	CWE-770
Published	2026-07-09
Last modified	2026-10-24

Publisher (CNA): VulnCheck · Vendor: zeek

Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-09 15:16 UTCPublished CVE record published
2026-10-24 13:10 UTCUpdated Record last modified

zeek zeek UPGRADE

Affected: < 8.0.9

Fixed in: 8.0.9

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 8.0.9 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade zeek

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade zeek

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Exact fixes by distribution

Fedora 46 · gnome-shell-extension-tiling-assistant · FIXED · 56-1.fc46 · FEDORA-2026-ebf66a5321 · source

sudo dnf upgrade --advisory=FEDORA-2026-ebf66a5321

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-2026-60108?

zeek: upgrade to 8.0.9. Exact commands for each OS are on this page.

Is CVE-2026-60108 being exploited?

CVE-2026-60108 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-2026-60108 affect?

CVE-2026-60108 affects zeek. Severity is high (CVSS 7.5). Zeek before 8.0.9 contains an uncontrolled memory consumption vulnerability in the FTP analyzer that allows unauthenticated remote attackers to cause process termination by sending a crafted FTP control session negotiating AUTH GSSAPI follo

How urgent is CVE-2026-60108?

Priority 45/100. High severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-60109 HIGH 7.5 UPGRADE Zeek before 8.0.9 contains a null pointer dereference vulnerability in its Kerberos protocol analyzer that all

References

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