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Vulnerability Database · Debian · Package report

libhtp: vulnerability history, versions and safety

libhtp is a package in the Debian ecosystem. Vulert records 10 vulnerabilities for it across 33 releases, from Apr 2019 to Sep 2025. 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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10 vulnerabilities recorded U10
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3 with no fix published

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

See the unfixed vulnerabilities →
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0 in the last 12 months

Nothing new recorded in the last year.

See the disclosure history →
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0 malicious-package vulnerabilities

No published version shipped hostile code.

See all libhtp vulnerabilities

Vulert verdict on libhtp i

Updated on 23 Oct 2026

Careful: 3 of the 10 vulnerabilities Vulert records for this package have no fix yet. Plan around those, or apply the workaround listed for each. The rest have a fixed version to move to.

Long-term outlook: usable, but needs attention 10 vulnerabilities on record across 6 years, none in the last year.

What to do: Plan around the 3 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 10 over 6 years · 0 in the last year i
  • Latest disclosure 08 Sep 2025 i
  • Highest CVSS 9.8 i
  • With no published fix 3 i

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01 Versions

Which versions are affected

Every version Vulert holds for libhtp, 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 33 of 33 versions on record. Severity counts are the vulnerabilities recorded against that exact release.

02 Disclosure history

How often vulnerabilities are recorded

  • 2019 4
  • 2024 4
  • 2025 2

Counted by the year Vulert recorded each vulnerability — the same date the table below shows as disclosed. 0 of the 10 were recorded in the last 12 months.

03 Vulnerabilities

Recorded vulnerabilities for libhtp

The 5 most severe of 10 vulnerabilities recorded for this package

Search all 10 in the database →
Vulnerability Severity Fixed version ↓ Disclosed ↓
Heap-Based Buffer Over-Read in LibHTP and Suricata - CVE-2018-10243 9.8 critical 1:0.5.28-1 04 Apr 2019
Denial of Service Vulnerability in LibHTP: Excessive HTTP Header Processing 7.5 high No fix published 26 Feb 2024
HTTP Protocol Parsing Error in libhtp - CVE-2019-17420 5.3 medium 1:0.5.31-1 10 Oct 2019
Unbounded Header Processing Vulnerability in LibHTP: Excessive Resource Utilization Risk N/A unrated No fix published 16 Oct 2024
Memory Leak Vulnerability in LibHTP: Impacting HTTP Protocol Parsing N/A unrated No fix published 23 Jul 2025

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

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

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Questions

About libhtp

Is libhtp safe to use?

Vulert records 10 vulnerabilities for libhtp in Debian: 0 critical, 0 high, 0 medium and 0 low, plus 10 not yet rated. 3 of them have no published fix yet, so those are the ones to avoid or mitigate.

How many vulnerabilities does libhtp have?

10 vulnerabilities are recorded for libhtp in the Debian ecosystem: 0 critical, 0 high, 0 medium and 0 low, plus 10 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 libhtp vulnerabilities disclosed?

0 vulnerabilities were recorded for libhtp in the last 12 months, and the oldest entry in this database dates to 04 Apr 2019. 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 libhtp 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 libhtp for upcoming vulnerabilities?

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