CVE-2007-2721: The jpc_qcx_getcompparms function in jpc/jpc_cs.c for the JasPer JPEG-2000 library (libjasper) before 1.900 al

Q: How do I fix CVE-2007-2721?

jasper jpeg-2000: upgrade to newer than 1.701.1. Exact commands for each OS are on this page.

Q: Is CVE-2007-2721 being exploited?

CVE-2007-2721 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2007-2721 affect?

CVE-2007-2721 affects jasper jpeg-2000. Severity is medium (CVSS 4.3). The jpc_qcx_getcompparms function in jpc/jpc_cs.c for the JasPer JPEG-2000 library (libjasper) before 1.900 allows remote user-assisted attackers to cause a denial of service (crash) and possibly corrupt the heap via malformed image files,

Q: How urgent is CVE-2007-2721?

Priority 41/100. Public exploit reference

This month

MEDIUM 4.3UPGRADE

CVE-2007-2721 is a medium-severity flaw (CVSS 4.3) affecting jasper jpeg-2000. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The jpc_qcx_getcompparms function in jpc/jpc_cs.c for the JasPer JPEG-2000 library (libjasper) before 1.900 allows remote user-assisted attackers to cause a denial of service (crash) and possibly corrupt the heap via malformed image files, as originally demonstrated using imagemagick convert.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	2.3% (top 17%)
CISA exploited list	No
Published	2007-05-16
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: jasper jpeg-2000

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2007-05-16 20:30 UTCPublished CVE record published
2026-06-16 22:40 UTCUpdated Record last modified

jasper jpeg-2000 jasper jpeg-2000 UPGRADE

Affected: <= 1.701.1

Fixed in: newer than 1.701.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy jasper-jpeg-2000 || rpm -q jasper-jpeg-2000 || jasper-jpeg-2000 --version

2. UPGRADE to newer than 1.701.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade jasper-jpeg-2000

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade jasper-jpeg-2000

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2007-2721?

jasper jpeg-2000: upgrade to newer than 1.701.1. Exact commands for each OS are on this page.

Is CVE-2007-2721 being exploited?

CVE-2007-2721 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2007-2721 affect?

CVE-2007-2721 affects jasper jpeg-2000. Severity is medium (CVSS 4.3). The jpc_qcx_getcompparms function in jpc/jpc_cs.c for the JasPer JPEG-2000 library (libjasper) before 1.900 allows remote user-assisted attackers to cause a denial of service (crash) and possibly corrupt the heap via malformed image files,

How urgent is CVE-2007-2721?

Priority 41/100. Public exploit reference

Software pages

ImageMagick vulnerabilities

References

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