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Vulnerability Database · Ubuntu · Package report

libssh2: vulnerability history, versions and safety

libssh2 is a package in the Ubuntu ecosystem. Vulert records 13 vulnerabilities for it across 6 releases, from Mar 2019 to Sep 2023. 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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13 vulnerabilities recorded U13
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0 with no fix published

Every vulnerability has a patched version to move to.

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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 libssh2 vulnerabilities

Vulert verdict on libssh2 i

Updated on 23 Oct 2026

Every vulnerability Vulert records for this package has a fix, and the newest was recorded 14 Sep 2023. Apply the fixes listed below and you are clear.

Long-term outlook: usable, with an upgrade 13 vulnerabilities on record across 4 years, none in the last year.

What to do: Move the affected dependencies to the fixed versions listed below, then keep the package monitored so the next vulnerability reaches you. Fix it, then keep watch: Vulert alerts you when a new vulnerability affects the version you run. Monitor it with Vulert →

  • Vulnerabilities on record 13 over 4 years · 0 in the last year i
  • Latest disclosure 14 Sep 2023 i
  • Highest CVSS 8.1 i
  • With no published fix 0 i

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01 Versions

Which versions are affected

Every version Vulert holds for libssh2, 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
1.4.3-2 U13 Yes Details →
1.4.3-2ubuntu0.2 U13 Yes Details →
1.4.3-2ubuntu0.2+esm2 U2 Yes Details →
1.4.3-2ubuntu0.2+esm1 U12 Yes Details →
1.4.3-2ubuntu0.1 U13 Yes Details →
1.4.3-1 U13 Yes Details →

Newest 6 of 6 versions on record. Severity counts are the vulnerabilities recorded against that exact release.

02 Disclosure history

How often vulnerabilities are recorded

  • 2019 11
  • 2023 2

Counted by the year Vulert recorded each vulnerability — the same date the table below shows as disclosed. 0 of the 13 were recorded in the last 12 months.

03 Vulnerabilities

Recorded vulnerabilities for libssh2

The 5 most severe of 13 vulnerabilities recorded for this package

Search all 13 in the database →
Vulnerability Severity Fixed version ↓ Disclosed ↓
Critical Integer Overflow Vulnerability in libssh2 Package 8.1 high 1.4.3-2ubuntu0.2+esm2 21 Oct 2019
Critical Integer Overflow Vulnerability in libssh2 Package 8.1 high 1.4.3-2ubuntu0.2+esm2 16 Jul 2019
Critical Memory Write Vulnerability in libssh2 Package 7.5 high 1.4.3-2ubuntu0.2+esm2 25 Mar 2019
Out of Bounds Memory Access Vulnerability in libssh2 Package 7.5 high 1.4.3-2ubuntu0.2+esm3 22 Aug 2023
Integer Overflow Vulnerability in libssh2: Potential Remote Code Execution Risk 7.5 high 1.4.3-2ubuntu0.2+esm2 25 Mar 2019

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 libssh2

Is libssh2 safe to use?

Vulert records 13 vulnerabilities for libssh2 in Ubuntu: 0 critical, 0 high, 0 medium and 0 low, plus 13 not yet rated. Every one of them has a published fix, so the practical answer is to run a supported release and keep it patched.

How many vulnerabilities does libssh2 have?

13 vulnerabilities are recorded for libssh2 in the Ubuntu ecosystem: 0 critical, 0 high, 0 medium and 0 low, plus 13 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 libssh2 vulnerabilities disclosed?

0 vulnerabilities were recorded for libssh2 in the last 12 months, and the oldest entry in this database dates to 21 Mar 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 libssh2 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 libssh2 for upcoming vulnerabilities?

Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the libssh2 version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.