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Vulnerability Database · Debian · Package report

libnet-cidr-set-perl: vulnerability history, versions and safety

libnet-cidr-set-perl is a package in the Debian ecosystem. Vulert records 5 vulnerabilities for it across 9 releases, from May 2025 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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5 vulnerabilities recorded U5
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5 with no fix published

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

See the unfixed vulnerabilities →
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4 in the last 12 months

Most recent disclosure 12 Aug 2026.

See the disclosure history →
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0 malicious-package vulnerabilities

No published version shipped hostile code.

See all libnet-cidr-set-perl vulnerabilities

Vulert verdict on libnet-cidr-set-perl i

Updated on 23 Oct 2026

Careful: 5 of the 5 vulnerabilities Vulert records for this package have no fix yet. Plan around those, or apply the workaround listed for each.

Long-term outlook: usable, but needs attention 5 vulnerabilities on record across 1 year, 4 in the last year.

What to do: Plan around the 5 vulnerabilities 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 5 over 1 year · 4 in the last year i
  • Latest disclosure 12 Aug 2026 i
  • Highest CVSS 7.5 i
  • With no published fix 5 i

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01 Versions

Which versions are affected

Every version Vulert holds for libnet-cidr-set-perl, 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.

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Version Vulert vulnerabilities Fix published Details
0.23-1 U1 No Details →
0.22-1 U1 No Details →
0.21-1 U4 No Details →
0.20-1 U4 No Details →
0.19-1 U4 No Details →
0.15-1 U5 No Details →
0.13-5 U5 No Details →
0.13-4 U5 No Details →
0.13-3 U5 No Details →

Newest 9 of 9 versions on record. Severity counts are the vulnerabilities recorded against that exact release.

02 Disclosure history

How often vulnerabilities are recorded

  • 2025 1
  • 2026 4

Counted by the year Vulert recorded each vulnerability — the same date the table below shows as disclosed. 4 of the 5 were recorded in the last 12 months.

03 Vulnerabilities

Recorded vulnerabilities for libnet-cidr-set-perl

The 5 most severe of 5 vulnerabilities recorded for this package

Search all 5 in the database →
Vulnerability Severity Fixed version ↓ Disclosed ↓
Memory Exhaustion Vulnerability in libnet-cidr-set-perl: Unbounded IPv6 Prefix Lengths 7.5 high No fix published 12 Aug 2026
CVE-2025-40911: Leading Zero Vulnerability in Net::CIDR::Set Package N/A unrated No fix published 27 May 2025
Critical Vulnerability in libnet-cidr-set-perl: CVE-2026-49940 Exposes Systems to Potential Attacks N/A unrated No fix published 03 Jun 2026
Critical Vulnerability in libnet-cidr-set-perl: Potential Security Risks Identified N/A unrated No fix published 03 Jun 2026
Critical Vulnerability in libnet-cidr-set-perl: Potential Security Risks Identified N/A unrated No fix published 03 Jun 2026

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Updated: 23/Oct/2026 · Vulnerabilities in our DB: 524315

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Questions

About libnet-cidr-set-perl

Is libnet-cidr-set-perl safe to use?

Vulert records 5 vulnerabilities for libnet-cidr-set-perl in Debian: 0 critical, 0 high, 0 medium and 0 low, plus 5 not yet rated. 5 of them have no published fix yet, so those are the ones to avoid or mitigate.

How many vulnerabilities does libnet-cidr-set-perl have?

5 vulnerabilities are recorded for libnet-cidr-set-perl in the Debian ecosystem: 0 critical, 0 high, 0 medium and 0 low, plus 5 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 libnet-cidr-set-perl vulnerabilities disclosed?

4 vulnerabilities were recorded for libnet-cidr-set-perl in the last 12 months, and the oldest entry in this database dates to 27 May 2025. 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 libnet-cidr-set-perl 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 libnet-cidr-set-perl for upcoming vulnerabilities?

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