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Vulnerability Database · Debian · Package report

dulwich: vulnerability history, versions and safety

dulwich is a package in the Debian ecosystem. Vulert records 14 vulnerabilities for it across 37 releases, from Mar 2015 to Jul 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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14 vulnerabilities recorded U14
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6 with no fix published

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

See the unfixed vulnerabilities →
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6 in the last 12 months

Most recent disclosure 15 Jul 2026.

See the disclosure history →
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0 malicious-package vulnerabilities

No published version shipped hostile code.

See all dulwich vulnerabilities

Vulert verdict on dulwich i

Updated on 23 Oct 2026

Careful: 6 of the 14 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 14 vulnerabilities on record across 11 years, 6 in the last year.

What to do: Plan around the 6 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 14 over 11 years · 6 in the last year i
  • Latest disclosure 15 Jul 2026 i
  • Highest CVSS 9.8 i
  • With no published fix 6 i

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01 Versions

Which versions are affected

Every version Vulert holds for dulwich, 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 37 of 37 versions on record. Severity counts are the vulnerabilities recorded against that exact release.

02 Disclosure history

How often vulnerabilities are recorded

  • 2015 4
  • 2017 2
  • 2020 2
  • 2026 6

Counted by the year Vulert recorded each vulnerability — the same date the table below shows as disclosed. 6 of the 14 were recorded in the last 12 months.

03 Vulnerabilities

Recorded vulnerabilities for dulwich

The 5 most severe of 14 vulnerabilities recorded for this package

Search all 14 in the database →
Vulnerability Severity Fixed version ↓ Disclosed ↓
Critical Command Execution Vulnerability in Git, Mercurial, and Related Packages 9.8 critical 0.10.1-1 12 Feb 2020
Remote Command Execution Vulnerability in Dulwich Package 9.8 critical 0.18.5-1 29 Oct 2017
Arbitrary Code Execution Vulnerability in Dulwich Package 7.5 high No fix published 10 Jun 2026
SSH Host Key Verification Vulnerability in Dulwich Package 5.3 medium No fix published 15 Jul 2026
Critical Vulnerability in Dulwich Package: CVE-2026-42563 N/A unrated No fix published 29 May 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: 23/Oct/2026 · Vulnerabilities in our DB: 524315

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Questions

About dulwich

Is dulwich safe to use?

Vulert records 14 vulnerabilities for dulwich in Debian: 0 critical, 0 high, 0 medium and 0 low, plus 14 not yet rated. 6 of them have no published fix yet, so those are the ones to avoid or mitigate.

How many vulnerabilities does dulwich have?

14 vulnerabilities are recorded for dulwich in the Debian ecosystem: 0 critical, 0 high, 0 medium and 0 low, plus 14 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 dulwich vulnerabilities disclosed?

6 vulnerabilities were recorded for dulwich in the last 12 months, and the oldest entry in this database dates to 31 Mar 2015. 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 dulwich 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 dulwich for upcoming vulnerabilities?

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