How severe is CVE-2006-1861?

CVE-2006-1861 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2006-1861 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-1861?

CVE-2006-1861 primarily affects Freetype. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2006-1861?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2006-1861 published?

CVE-2006-1861 was published on 2006-05-23 and last updated on 2026-06-16.

CVE-2006-1861

CVE-2006-1861 is a high-severity vulnerability in Freetype with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-189.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-189
Affected product: Freetype
Published: 2006-05-23
Last modified: 2026-06-16

Description

Multiple integer overflows in FreeType before 2.2 allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via attack vectors related to (1) bdf/bdflib.c, (2) sfnt/ttcmap.c, (3) cff/cffgload.c, and (4) the read_lwfn function and a crafted LWFN file in base/ftmac.c. NOTE: item 4 was originally identified by CVE-2006-2493.

Frequently asked questions

What is CVE-2006-1861?: Multiple integer overflows in FreeType before 2.2 allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via attack vectors related to (1) bdf/bdflib.c, (2) sfnt/ttcmap.c, (3) cff/cffgload.c, and (4) the read_lwfn function and a crafted LWFN file in base/ftmac.c. NOTE: item 4 was originally identified by CVE-2006-2493.
How severe is CVE-2006-1861?: CVE-2006-1861 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2006-1861 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-1861?: CVE-2006-1861 primarily affects Freetype. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-1861?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2006-1861 published?: CVE-2006-1861 was published on 2006-05-23 and last updated on 2026-06-16.

References

Affected products (9)

cpe:2.3:a:freetype:freetype:2.0.9:*:*:*:*:*:*:*
cpe:2.3:a:freetype:freetype:2.1.3:*:*:*:*:*:*:*
cpe:2.3:a:freetype:freetype:2.1.4:*:*:*:*:*:*:*
cpe:2.3:a:freetype:freetype:2.1.5:*:*:*:*:*:*:*
cpe:2.3:a:freetype:freetype:2.1.6:*:*:*:*:*:*:*
cpe:2.3:a:freetype:freetype:2.1.7:*:*:*:*:*:*:*
cpe:2.3:a:freetype:freetype:2.1.8:*:*:*:*:*:*:*
cpe:2.3:a:freetype:freetype:2.1.9:*:*:*:*:*:*:*
cpe:2.3:a:freetype:freetype:2.1.10:*:*:*:*:*:*:*

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