CVE-2015-0295: The BMP decoder in QtGui in QT before 5.5 does not properly calculate the masks used to extract the color comp

Q: How do I fix CVE-2015-0295?

fedora: mitigate or apply the listed mitigation; opensuse: mitigate or apply the listed mitigation; qt: upgrade to newer than 5.4.1. Exact commands for each OS are on this page.

Q: Is CVE-2015-0295 being exploited?

CVE-2015-0295 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-2015-0295 affect?

CVE-2015-0295 affects fedora, opensuse, qt. Severity is medium (CVSS 5.0). The BMP decoder in QtGui in QT before 5.5 does not properly calculate the masks used to extract the color components, which allows remote attackers to cause a denial of service (divide-by-zero and crash) via a crafted BMP file.

Q: How urgent is CVE-2015-0295?

Priority 41/100. EPSS top 7%: very likely to be exploited

This month

MEDIUM 5.0MITIGATEMITIGATEUPGRADE

CVE-2015-0295 is a medium-severity flaw (CVSS 5.0) affecting fedora, opensuse, qt. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The BMP decoder in QtGui in QT before 5.5 does not properly calculate the masks used to extract the color components, which allows remote attackers to cause a denial of service (divide-by-zero and crash) via a crafted BMP file.

Why this priority

EPSS top 7%: very likely to be exploited

A fixed release or distro patch exists.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	6.1% (top 7%)
CISA exploited list	No
Weakness	CWE-189
Published	2015-03-25
Last modified	2026-06-17

Publisher (CNA): Red Hat, Inc. · Vendor: digia · fedoraproject · opensuse

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2015-03-25 14:59 UTCPublished CVE record published
2026-06-17 00:19 UTCUpdated Record last modified

fedoraproject fedora MITIGATE

Affected: 20 · 21 · 22

Fixed in: no fixed release known

Safe to downgrade to: a release before 20

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 opensuse MITIGATE

Affected: 13.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 13.1

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.

digia qt UPGRADE

Affected: <= 5.4.1

Fixed in: newer than 5.4.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy qt || rpm -q qt || qt --version

2. UPGRADE to newer than 5.4.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade qt

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade qt

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-2015-0295?

fedora: mitigate or apply the listed mitigation; opensuse: mitigate or apply the listed mitigation; qt: upgrade to newer than 5.4.1. Exact commands for each OS are on this page.

Is CVE-2015-0295 being exploited?

CVE-2015-0295 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-2015-0295 affect?

CVE-2015-0295 affects fedora, opensuse, qt. Severity is medium (CVSS 5.0). The BMP decoder in QtGui in QT before 5.5 does not properly calculate the masks used to extract the color components, which allows remote attackers to cause a denial of service (divide-by-zero and crash) via a crafted BMP file.

How urgent is CVE-2015-0295?

Priority 41/100. EPSS top 7%: very likely to be exploited

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References

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