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Vulnerability Database · Debian · Package report

isc-dhcp: vulnerability history, versions and safety

isc-dhcp is a package in the Debian ecosystem. Vulert records 44 vulnerabilities for it across 21 releases, from Jul 2009 to Aug 2026. Each vulnerability names the versions it affects, the fixed version to move to, and a workaround where no fix has been published.

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44 vulnerabilities recorded U44
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1 with no fix published

No patched version yet — these are the ones to plan around.

See the unfixed vulnerabilities →
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1 in the last 12 months

Most recent disclosure 05 Aug 2026.

See the disclosure history →
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0 malicious-package vulnerabilities

No published version shipped hostile code.

See all isc-dhcp vulnerabilities

Vulert verdict on isc-dhcp i

Updated on 22 Oct 2026

Careful: one of the 44 vulnerabilities Vulert records for this package has no fix yet. Plan around that one, or apply its workaround. The rest have a fixed version to move to.

Long-term outlook: usable, but needs attention 44 vulnerabilities on record across 17 years, 1 in the last year.

What to do: Plan around the 1 vulnerability with no published fix: each lists the affected range and any workaround that reduces exposure. No fix yet: Vulert alerts you the moment one is published. Monitor it with Vulert →

  • Vulnerabilities on record 44 over 17 years · 1 in the last year i
  • Latest disclosure 05 Aug 2026 i
  • Highest CVSS 8.1 i
  • With no published fix 1 i

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01 Versions

Which versions are affected

Every version Vulert holds for isc-dhcp, newest first, with the vulnerabilities that name it. A version with a count of zero has no recorded vulnerabilities; open a version to see the vulnerabilities it is exposed to.

Newest 21 of 21 versions on record. Severity counts are the vulnerabilities recorded against that exact release.

02 Disclosure history

How often vulnerabilities are recorded

  • 2009 2
  • 2010 4
  • 2011 10
  • 2012 10
  • 2013 2
  • 2016 4
  • 2019 7
  • 2021 1
  • 2022 3
  • 2026 1

Counted by the year Vulert recorded each vulnerability — the same date the table below shows as disclosed. 1 of the 44 were recorded in the last 12 months.

03 Vulnerabilities

Recorded vulnerabilities for isc-dhcp

The 5 most severe of 44 vulnerabilities recorded for this package

Search all 44 in the database →
Vulnerability Severity Fixed version ↓ Disclosed ↓
Critical Path Variable Vulnerability in isc-dhcp Package 8.1 high 4.2.4-3 27 Nov 2019
Socket Descriptor Exhaustion Vulnerability in ISC DHCP 7.5 high 4.3.5-3.1 16 Jan 2019
Denial of Service Vulnerability in ISC DHCP Package 6.5 medium 4.3.3-7 14 Jan 2016
Denial of Service Vulnerability in ISC DHCP Package - CVE-2016-2774 5.9 medium 4.3.4-1 09 Mar 2016
Buffer Overflow Vulnerability in isc-dhcp Package Leading to Denial of Service 4.9 medium No fix published 05 Aug 2026

Vulnerability wrong, a fix missing, or a package we should cover? Report it and we will fix the record. Report Vulnerability Provide Feedback

Updated: 22/Oct/2026 · Vulnerabilities in our DB: 524173

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Questions

About isc-dhcp

Is isc-dhcp safe to use?

Vulert records 44 vulnerabilities for isc-dhcp in Debian: 0 critical, 0 high, 0 medium and 0 low, plus 44 not yet rated. 1 of them has no published fix yet, so that is the one to avoid or mitigate.

How many vulnerabilities does isc-dhcp have?

44 vulnerabilities are recorded for isc-dhcp in the Debian ecosystem: 0 critical, 0 high, 0 medium and 0 low, plus 44 not yet rated. The ledger on this page lists the same counts next to the date of the most recent disclosure.

How often are new isc-dhcp vulnerabilities disclosed?

1 vulnerability was recorded for isc-dhcp in the last 12 months, and the oldest entry in this database dates to 17 Jul 2009. Recency matters more than a lifetime total: it shows how actively new issues are being disclosed for the package you are considering.

Which versions of isc-dhcp are affected?

Each vulnerability on this page lists the affected version range and the fixed version to move to. Open the vulnerability for the version you actually run — fixes are specific to a release line, not to the package as a whole.

How do I monitor isc-dhcp for upcoming vulnerabilities?

Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the isc-dhcp version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.