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CVE-2006-2193

Buffer overflow in the t2p_write_pdf_string function in tiff2pdf in libtiff 3.8.2 and earlier...

7.5 HighFix available

Buffer overflow in the t2p_write_pdf_string function in tiff2pdf in libtiff 3.8.2 and earlier allows attackers to cause a denial of service (crash) and possibly execute arbitrary code via a TIFF file with a DocumentName tag that contains UTF-8 characters, which triggers the overflow when a character is sign extended to an integer that produces more digits than expected in an sprintf call.

Exploit likelihood

5.41%Up 1.2 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 7.5

Buffer overflow in the t2p_write_pdf_string function in tiff2pdf in libtiff 3.8.2 and earlier allows attackers to cause a denial of service (crash) and possibly execute arbitrary code via a TIFF file with a DocumentName tag that contains UTF-8 characters, which triggers the overflow when a character is sign extended to an integer that produces more digits than expected in an sprintf call.

Record
CVE-2006-2193
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Updated
2026-11-02
CVE List No score

Buffer overflow in the t2p_write_pdf_string function in tiff2pdf in libtiff 3.8.2 and earlier allows attackers to cause a denial of service (crash) and possibly execute arbitrary code via a TIFF file with a DocumentName tag that contains UTF-8 characters, which triggers the overflow when a character is sign extended to an integer that produces more digits than expected in an sprintf call.

Record
CVE-2006-2193
Updated
2026-11-02
EUVDEUVD-2006-2194 No score

Buffer overflow in the t2p_write_pdf_string function in tiff2pdf in libtiff 3.8.2 and earlier allows attackers to cause a denial of service (crash) and possibly execute arbitrary code via a TIFF file with a DocumentName tag that contains UTF-8 characters, which triggers the overflow when a character is sign extended to an integer that produces more digits than expected in an sprintf call.

Record
EUVD-2006-2194
Updated
2026-11-03
GitHub AdvisoriesGHSA-jgfg-vvq8-cfx3 No score

Buffer overflow in the t2p_write_pdf_string function in tiff2pdf in libtiff 3.8.2 and earlier...

Buffer overflow in the t2p_write_pdf_string function in tiff2pdf in libtiff 3.8.2 and earlier allows attackers to cause a denial of service (crash) and possibly execute arbitrary code via a TIFF file with a DocumentName tag that contains UTF-8 characters, which triggers the overflow when a character is sign extended to an integer that produces more digits than expected in an sprintf call.

Record
GHSA-jgfg-vvq8-cfx3
Updated
2026-11-02
OSV No score

Buffer overflow in the t2p_write_pdf_string function in tiff2pdf in libtiff 3.8.2 and earlier allows attackers to cause a denial of service (crash) and possibly execute arbitrary code via a TIFF file with a DocumentName tag that contains UTF-8 characters, which triggers the overflow when a character is sign extended to an integer that produces more digits than expected in an sprintf call.

Record
CVE-2006-2193
Updated
2026-11-02
OSVDEBIAN-CVE-2006-2193 No score

Buffer overflow in the t2p_write_pdf_string function in tiff2pdf in libtiff 3.8.2 and earlier allows attackers to cause a denial of service (crash) and possibly execute arbitrary code via a TIFF file with a DocumentName tag that contains UTF-8 characters, which triggers the overflow when a character is sign extended to an integer that produces more digits than expected in an sprintf call.

Record
DEBIAN-CVE-2006-2193
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
tiff
Debian:12
 before 3.8.2-4
3.8.2-4
tiff
Debian:13
 before 3.8.2-4
3.8.2-4
tiff
Debian:14
 before 3.8.2-4
3.8.2-4
tiff
Debian:3.0
From an advisory covering 2 CVEs
 before 3.5.5-7woody2, plus listed versions
3.5.5-6.woody33.5.5-6.woody53.5.5-73.5.5-7woody1
3.5.5-7woody2
tiff
Debian:3.1
From an advisory covering 2 CVEs
 before 3.7.2-5, plus listed versions
3.7.2-33.7.2-3sarge13.7.2-4
3.7.2-5
libtiff
Red Hat:enterprise_linux:4::as
From an advisory covering 2 CVEs
 before 0:3.6.1-12.el4_7.2
0:3.6.1-12.el4_7.2
libtiff-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 2 CVEs
 before 0:3.6.1-12.el4_7.2
0:3.6.1-12.el4_7.2
libtiff-devel
Red Hat:enterprise_linux:4::as
From an advisory covering 2 CVEs
 before 0:3.6.1-12.el4_7.2
0:3.6.1-12.el4_7.2
libtiff
Red Hat:enterprise_linux:4::desktop
From an advisory covering 2 CVEs
 before 0:3.6.1-12.el4_7.2
0:3.6.1-12.el4_7.2
libtiff-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 2 CVEs
 before 0:3.6.1-12.el4_7.2
0:3.6.1-12.el4_7.2
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Affected packages
PackageAffectedFixed
libtiff-devel
Red Hat:enterprise_linux:4::desktop
From an advisory covering 2 CVEs
 before 0:3.6.1-12.el4_7.2
0:3.6.1-12.el4_7.2
libtiff
Red Hat:enterprise_linux:4::es
From an advisory covering 2 CVEs
 before 0:3.6.1-12.el4_7.2
0:3.6.1-12.el4_7.2
libtiff-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 2 CVEs
 before 0:3.6.1-12.el4_7.2
0:3.6.1-12.el4_7.2
libtiff-devel
Red Hat:enterprise_linux:4::es
From an advisory covering 2 CVEs
 before 0:3.6.1-12.el4_7.2
0:3.6.1-12.el4_7.2
libtiff
Red Hat:enterprise_linux:4::ws
From an advisory covering 2 CVEs
 before 0:3.6.1-12.el4_7.2
0:3.6.1-12.el4_7.2
libtiff-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 2 CVEs
 before 0:3.6.1-12.el4_7.2
0:3.6.1-12.el4_7.2
libtiff-devel
Red Hat:enterprise_linux:4::ws
From an advisory covering 2 CVEs
 before 0:3.6.1-12.el4_7.2
0:3.6.1-12.el4_7.2

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2006-2193 is a high vulnerability (CVSS 7.5) in Libtiff, published June 8, 2006. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 5.41%, the 92nd percentile. Fixed in tiff 3.8.2-4.

References

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