CVE-2009-1721

Name: CVE-2009-1721
Creator: NVD / NIST
Published: 2009-07-31T19:00:01.093+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 4.29%

Last modified Jun 16, 2026

CVE-2009-1721 is a vulnerability of currently unknown severity. The decompression implementation in the Imf::hufUncompress function in OpenEXR 1.2.2 and 1.6.1 allows context-dependent attackers to cause a denial of service (application crash) or possibly execute arbitrary code via vectors that trigger a free of an uninitialized pointer.. EPSS estimates a 4.29% chance of exploitation in the next 30 days.

Description

The decompression implementation in the Imf::hufUncompress function in OpenEXR 1.2.2 and 1.6.1 allows context-dependent attackers to cause a denial of service (application crash) or possibly execute arbitrary code via vectors that trigger a free of an uninitialized pointer.

Metrics

EPSS Probability

4.29%

89.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-824

Affected Software

Vendor	Product	Versions
Openexr	Openexr	1.2.2
Openexr	Openexr	1.6.1
Opensuse	Opensuse	10.0
Opensuse	Opensuse	10.3
Opensuse	Opensuse	11.0
Apple	Mac Os X	< 10.5.8
Debian	Debian Linux	4.0
Debian	Debian Linux	5.0
Canonical	Ubuntu Linux	8.04
Canonical	Ubuntu Linux	8.10
Canonical	Ubuntu Linux	9.04
Fedoraproject	Fedora	10
Fedoraproject	Fedora	11

References

http://lists.apple.com/archives/security-announce/2009/Aug/msg00001.htmlMailing List
http://lists.opensuse.org/opensuse-security-announce/2009-09/msg00000.htmlMailing List
http://release.debian.org/proposed-updates/stable_diffs/openexr_1.6.1-3%2Blenny3.debdiffBroken Link, Patch
http://secunia.com/advisories/36030Broken Link, Vendor Advisory
http://secunia.com/advisories/36032Broken Link, Vendor Advisory
http://secunia.com/advisories/36096Broken Link
http://secunia.com/advisories/36123Broken Link
http://secunia.com/advisories/36753Broken Link
http://security.debian.org/pool/updates/main/o/openexr/openexr_1.2.2-4.3+etch2.diff.gzBroken Link, Patch
http://security.debian.org/pool/updates/main/o/openexr/openexr_1.6.1-3+lenny3.diff.gzBroken Link, Patch
http://support.apple.com/kb/HT3757Third Party Advisory
http://www.debian.org/security/2009/dsa-1842Mailing List
http://www.mandriva.com/security/advisories?name=MDVSA-2009:190Broken Link
http://www.mandriva.com/security/advisories?name=MDVSA-2009:191Broken Link
http://www.securityfocus.com/bid/35838Broken Link, Patch, Third Party Advisory, VDB Entry
http://www.securitytracker.com/id?1022674Broken Link, Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-831-1Third Party Advisory
http://www.us-cert.gov/cas/techalerts/TA09-218A.htmlThird Party Advisory, US Government Resource
http://www.vupen.com/english/advisories/2009/2035Broken Link, Vendor Advisory
http://www.vupen.com/english/advisories/2009/2172Broken Link
https://www.redhat.com/archives/fedora-package-announce/2009-July/msg01286.htmlMailing List
https://www.redhat.com/archives/fedora-package-announce/2009-July/msg01290.htmlMailing List
http://lists.apple.com/archives/security-announce/2009/Aug/msg00001.htmlMailing List
http://lists.opensuse.org/opensuse-security-announce/2009-09/msg00000.htmlMailing List
http://release.debian.org/proposed-updates/stable_diffs/openexr_1.6.1-3%2Blenny3.debdiffBroken Link, Patch
http://secunia.com/advisories/36030Broken Link, Vendor Advisory
http://secunia.com/advisories/36032Broken Link, Vendor Advisory
http://secunia.com/advisories/36096Broken Link
http://secunia.com/advisories/36123Broken Link
http://secunia.com/advisories/36753Broken Link
http://security.debian.org/pool/updates/main/o/openexr/openexr_1.2.2-4.3+etch2.diff.gzBroken Link, Patch
http://security.debian.org/pool/updates/main/o/openexr/openexr_1.6.1-3+lenny3.diff.gzBroken Link, Patch
http://support.apple.com/kb/HT3757Third Party Advisory
http://www.debian.org/security/2009/dsa-1842Mailing List
http://www.mandriva.com/security/advisories?name=MDVSA-2009:190Broken Link
http://www.mandriva.com/security/advisories?name=MDVSA-2009:191Broken Link
http://www.securityfocus.com/bid/35838Broken Link, Patch, Third Party Advisory, VDB Entry
http://www.securitytracker.com/id?1022674Broken Link, Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-831-1Third Party Advisory
http://www.us-cert.gov/cas/techalerts/TA09-218A.htmlThird Party Advisory, US Government Resource
http://www.vupen.com/english/advisories/2009/2035Broken Link, Vendor Advisory
http://www.vupen.com/english/advisories/2009/2172Broken Link
https://www.redhat.com/archives/fedora-package-announce/2009-July/msg01286.htmlMailing List
https://www.redhat.com/archives/fedora-package-announce/2009-July/msg01290.htmlMailing List

Timeline

Published: Jul 31, 2009
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2009-1721?

How severe is CVE-2009-1721?

Severity scoring for CVE-2009-1721 is pending analysis. The EPSS model estimates a 4.29% probability of exploitation in the next 30 days.

How do I fix CVE-2009-1721?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2009-1721?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST