CVE-2005-0687 — 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

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HIGH

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

Published Mar 8, 2005

7.5

HIGH

CVSS 2.0

EPSS 2.88%

Description

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.

Affected products

Remediation

No remediation recorded yet.

Metrics

2.88% 0.02884

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.

EPSS probability 0.02884

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (10 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 2, 2026	2.88% (0.02884)	86.39th	v5 (v2026.06.15)
Jun 15, 2026	2.88% (0.02884)	85.00th	v5 (v2026.06.15)
Mar 29, 2025	3.04% (0.03045)	77.73th	v4 (v2025.03.14)
Mar 17, 2025	1.92% (0.01922)	82.14th	v4 (v2025.03.14)
Dec 12, 2024	1.81% (0.01809)	88.65th	v3 (v2023.03.01)
Feb 13, 2024	1.81% (0.01809)	87.73th	v3 (v2023.03.01)
Mar 7, 2023	1.95% (0.01952)	86.85th	v3 (v2023.03.01)
Mar 6, 2023	4.29% (0.04291)	87.64th	v2 (v2022.01.01)
Apr 1, 2022	4.29% (0.04291)	86.39th	v2 (v2022.01.01)
Feb 4, 2022	4.29% (0.04291)	70.14th	v2 (v2022.01.01)

Weaknesses (0)

No CWE recorded.

References (3)

http://bugs.gentoo.org/show_bug.cgi?id=83541
x_refsource_MISCPatchVendor Advisory
http://secunia.com/advisories/14487
third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory
http://www.gentoo.org/security/en/glsa/glsa-200503-12.xml
vendor-advisoryx_refsource_GENTOOPatchVendor Advisory

Link	Providers	Tags
http://bugs.gentoo.org/show_bug.cgi?id=83541		x_refsource_MISCPatchVendor Advisory
http://secunia.com/advisories/14487		third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory
http://www.gentoo.org/security/en/glsa/glsa-200503-12.xml		vendor-advisoryx_refsource_GENTOOPatchVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Mar 8, 2005

Updated Aug 7, 2024

Reserved Mar 9, 2005

Link CVE-2005-0687

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2005-0687

Red Hat

Severity n/a

Public date n/a

Links CVE-2005-0687