Integer underflow in Freetype before 2.2 allows remote attackers to cause a denial of service (crash) via a font file with an odd number…

Description

Integer underflow in Freetype before 2.2 allows remote attackers to cause a denial of service (crash) via a font file with an odd number of blue values, which causes the underflow when decrementing by 2 in a context that assumes an even number of values.

Scores

EPSS (exploitation in 30 days)

12.7% · top 3.7% of all CVEs (4 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.

Weakness

• n/a
• CWE-189 (opens in a new tab)All about CWE-189 and its CVEs

Affected products

• n/a

  • affected n/a

References (28)

• SUSE-SA:2006:037 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• 20791 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://support.apple.com/kb/HT3549 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 102705 (opens in a new tab)vendor-advisoryx_refsource_SUNALERTx_transferred
• 20525 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 21701 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• USN-291-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• 21385 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 35074 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• APPLE-SA-2009-05-12 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
• 20060612 rPSA-2006-0100-1 freetype (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• 21135 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• RHSA-2006:0500 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• oval:org.mitre.oval:def:9508 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• 18326 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=183676 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 23939 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://support.avaya.com/elmodocs2/security/ASA-2006-176.htm (opens in a new tab)x_refsource_CONFIRMx_transferred
• 20591 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• TA09-133A (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
• ADV-2009-1297 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• 20638 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 1016522 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• ADV-2007-0381 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• https://issues.rpath.com/browse/RPL-429 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 21062 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• MDKSA-2006:099 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
• DSA-1095 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2006-0747](https://trackcve.app/badge/CVE-2006-0747.svg)](https://trackcve.app/cve/CVE-2006-0747)

Record last updated 7 Aug 2024, 16:48 UTC.