CVE-2018-19539: An issue was discovered in JasPer 2.0.14
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MEDIUM 6.5WATCHLISTDOWNGRADEMITIGATEMITIGATE
CVE-2018-19539 is a medium-severity flaw (CVSS 6.5) affecting jasper, linux enterprise desktop, linux enterprise server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An issue was discovered in JasPer 2.0.14. There is an access violation in the function jas_image_readcmpt in libjasper/base/jas_image.c, leading to a denial of service.
Why this priority
Public exploit reference
On your watchlist
No fix is published yet: follow the downgrade or mitigation steps.
Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.
After downgrade
Restart the service, and keep the package held until a fixed release ships.
suse linux enterprise desktop MITIGATE
Affected: 12 sp3 · 12 sp4
Fixed in: no fixed release known
Safe to downgrade to: a release before 12
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
suse linux enterprise server MITIGATE
Affected: 11 sp3 · 11 sp4 · 12 sp1 · 12 sp2
Fixed in: no fixed release known
Safe to downgrade to: a release before 11
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
debian debian linux MITIGATE
Affected: 8.0
Fixed in: no fixed release known
Safe to downgrade to: a release before 8.0
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
opensuse leap MITIGATE
Affected: 15.0
Fixed in: no fixed release known
Safe to downgrade to: a release before 15.0
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
Verify at the official sourceNVD · 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-2018-19539?
jasper: downgrade or apply the listed mitigation; linux enterprise desktop: mitigate or apply the listed mitigation; linux enterprise server: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2018-19539 being exploited?
CVE-2018-19539 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-2018-19539 affect?
CVE-2018-19539 affects jasper, linux enterprise desktop, linux enterprise server. Severity is medium (CVSS 6.5). An issue was discovered in JasPer 2.0.14. There is an access violation in the function jas_image_readcmpt in libjasper/base/jas_image.c, leading to a denial of service.
How urgent is CVE-2018-19539?
Priority 53/100. Public exploit reference; On your watchlist
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