CVE-2006-2120

CVE-2006-2120 is a low-severity vulnerability in Libtiff with a CVSS 2.0 base score of 2.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

• Severity: Low (CVSS 2.0 base score 2.1)
• EPSS exploit prediction: 1% (52nd percentile)
• Actively exploited: Not listed in CISA KEV
• Affected product: Libtiff
• Published: 2006-05-01
• Last modified: 2026-06-16

Description

The TIFFToRGB function in libtiff before 3.8.1 allows remote attackers to cause a denial of service (crash) via a crafted TIFF image with Yr/Yg/Yb values that exceed the YCR/YCG/YCB values, which triggers an out-of-bounds read.

Frequently asked questions

What is CVE-2006-2120?

The TIFFToRGB function in libtiff before 3.8.1 allows remote attackers to cause a denial of service (crash) via a crafted TIFF image with Yr/Yg/Yb values that exceed the YCR/YCG/YCB values, which triggers an out-of-bounds read.

How severe is CVE-2006-2120?

CVE-2006-2120 has a CVSS 2.0 base score of 2.1, rated low severity.

Is CVE-2006-2120 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-2120?

CVE-2006-2120 affects Libtiff. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2006-2120?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2006-2120 published?

CVE-2006-2120 was published on 2006-05-01 and last updated on 2026-06-16.

References

• ftp://patches.sgi.com/support/free/security/advisories/20060501-01-U.asc
• http://bugzilla.remotesensing.org/show_bug.cgi?id=1065
• http://secunia.com/advisories/19936
• http://secunia.com/advisories/19949
• http://secunia.com/advisories/19964
• http://secunia.com/advisories/20023
• http://secunia.com/advisories/20210
• http://secunia.com/advisories/20330
• http://secunia.com/advisories/20667
• http://support.avaya.com/elmodocs2/security/ASA-2006-119.htm
• http://www.debian.org/security/2006/dsa-1078
• http://www.mandriva.com/security/advisories?name=MDKSA-2006:082
• http://www.redhat.com/support/errata/RHSA-2006-0425.html
• http://www.securityfocus.com/bid/17809
• http://www.trustix.org/errata/2006/0024
• https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=189974
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9572
• https://usn.ubuntu.com/277-1/

Affected products (1)

• cpe:2.3:a:libtiff:libtiff:3.8.1:*:*:*:*:*:*:*

More vulnerabilities in Libtiff

• CVE-2004-0929 — Critical (CVSS 10.0): Heap-based buffer overflow in the OJPEGVSetField function in tif_ojpeg.c for libtiff 3.6.1 and earlier, when compiled…
• CVE-2004-1308 — Critical (CVSS 10.0): Integer overflow in (1) tif_dirread.c and (2) tif_fax3.c for libtiff 3.5.7 and 3.7.0 allows remote attackers to execute…
• CVE-2016-9540 — Critical (CVSS 9.8): tools/tiffcp.c in libtiff 4.0.6 has an out-of-bounds write on tiled images with odd tile width versus image width.…
• CVE-2016-9539 — Critical (CVSS 9.8): tools/tiffcrop.c in libtiff 4.0.6 has an out-of-bounds read in readContigTilesIntoBuffer(). Reported as MSVR 35092.
• CVE-2016-9538 — Critical (CVSS 9.8): tools/tiffcrop.c in libtiff 4.0.6 reads an undefined buffer in readContigStripsIntoBuffer() because of a uint16 integer…
• CVE-2016-9537 — Critical (CVSS 9.8): tools/tiffcrop.c in libtiff 4.0.6 has out-of-bounds write vulnerabilities in buffers. Reported as MSVR 35093, MSVR…

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