Is CVE-2009-1721 being actively exploited?

CVE-2009-1721 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2009-1721?

CVE-2009-1721 has a CVSS 2.0 base score of 6.8 (MEDIUM).

CVE-2009-1721

MEDIUM · CVSS 6.8EPSS 4.3%EU EUVD

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.

Key facts

CVSS score: 6.8 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness (CWE): CWE-824
EPSS score: 4.3% (91th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2009-1716)
Published: July 31, 2009
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2009-1716 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

apple / mac os x
canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
debian / debian linux
debian / debian linux
fedoraproject / fedora
fedoraproject / fedora
openexr / openexr
openexr / openexr
opensuse / opensuse
opensuse / opensuse
opensuse / opensuse

Certified products that may be affected

1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.

Apple Mac OS X v10.3.6 and Apple Mac OS X Server V10.3.6 - Apple Inc. - Common Criteria CCEVS-VR-0086-2005 - archived

References

http://lists.apple.com/archives/security-announce/2009/Aug/msg00001.html(Mailing List)
http://lists.opensuse.org/opensuse-security-announce/2009-09/msg00000.html(Mailing List)
http://release.debian.org/proposed-updates/stable_diffs/openexr_1.6.1-3%2Blenny3.debdiff(Broken Link, Patch)
http://secunia.com/advisories/36030(Broken Link, Vendor Advisory)
http://secunia.com/advisories/36032(Broken Link, Vendor Advisory)
http://secunia.com/advisories/36096(Broken Link)
http://secunia.com/advisories/36123(Broken Link)
http://secunia.com/advisories/36753(Broken Link)
http://security.debian.org/pool/updates/main/o/openexr/openexr_1.2.2-4.3+etch2.diff.gz(Broken Link, Patch)
http://security.debian.org/pool/updates/main/o/openexr/openexr_1.6.1-3+lenny3.diff.gz(Broken Link, Patch)
http://support.apple.com/kb/HT3757(Third Party Advisory)
http://www.debian.org/security/2009/dsa-1842(Mailing List)
http://www.mandriva.com/security/advisories?name=MDVSA-2009:190(Broken Link)
http://www.mandriva.com/security/advisories?name=MDVSA-2009:191(Broken Link)
http://www.securityfocus.com/bid/35838(Broken Link, Patch, Third Party Advisory, VDB Entry)
http://www.securitytracker.com/id?1022674(Broken Link, Third Party Advisory, VDB Entry)
http://www.ubuntu.com/usn/USN-831-1(Third Party Advisory)
http://www.us-cert.gov/cas/techalerts/TA09-218A.html(Third Party Advisory, US Government Resource)
http://www.vupen.com/english/advisories/2009/2035(Broken Link, Vendor Advisory)
http://www.vupen.com/english/advisories/2009/2172(Broken Link)
https://www.redhat.com/archives/fedora-package-announce/2009-July/msg01286.html(Mailing List)
https://www.redhat.com/archives/fedora-package-announce/2009-July/msg01290.html(Mailing List)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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