CVE catalog

CVE-2005-0687

hashcash: CVE-2005-0687

[CVE catalog]

Severity
Medium
Published
Source
[NVD] · [CVE record]
EPSS
2.88% · Oct 25, 2026

Format string vulnerability in Hashcash 1.16 allows remote attackers to cause a denial of service (memory consumption) and possibly execute arbitrary code via format string specifiers in a reply address, which is not properly handled when printing the header.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

DistributionPackageReleaseVersionStatus
Debianhashcashsid1.22-2fixed
Debianhashcashforky1.22-2fixed
Debianhashcashtrixie1.22-2fixed
Debianhashcashbookworm1.22-1fixed

Fixed-version evidence

DistributionPackageTypeReleaseFixed versionUrgencyOriginBugs
Debianhashcashsourcesid1.17-1not yet assignedNot reportedNot reported
Debianhashcashsourceforky1.17-1not yet assignedNot reportedNot reported
Debianhashcashsourcetrixie1.17-1not yet assignedNot reportedNot reported
Debianhashcashsourcebookworm1.17-1not yet assignedNot reportedNot reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

  • [hashcash]Fixed
    Details (2)
    • 1.22-1 · amd64 · bookworm

      Fixed · Fixed: 1.17-1

      dsa · hashcash · debian · bookworm; dsa · hashcash · debian · 12

    • 1.22-1 · arm64 · bookworm

      Fixed · Fixed: 1.17-1

      dsa · hashcash · debian · bookworm; dsa · hashcash · debian · 12

[Debian 13 (Trixie)]

  • [hashcash]Fixed
    Details (2)
    • 1.22-2 · amd64 · trixie

      Fixed · Fixed: 1.17-1

      dsa · hashcash · debian · 13

    • 1.22-2 · arm64 · trixie

      Fixed · Fixed: 1.17-1

      dsa · hashcash · debian · 13

Observed:

References