CVE-2024-48856: Out-of-bounds write in the PCX image codec in QNX SDP versions 8.0, 7.1 and 7.0 could allow an unauthenticated

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CRITICAL 9.8REMOTEDOWNGRADE

CVE-2024-48856 is a critical-severity flaw (CVSS 9.8) affecting qnx software development platform. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Out-of-bounds write in the PCX image codec in QNX SDP versions 8.0, 7.1 and 7.0 could allow an unauthenticated attacker to cause a denial-of-service condition or execute code in the context of the process using the image codec.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 50%)
CISA exploited list	No
Weakness	CWE-787
Published	2025-01-14
Last modified	2026-06-17

Publisher (CNA): BlackBerry · Vendor: blackberry

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

Am I affected?

Timeline

2025-01-14 19:15 UTCPublished CVE record published
2026-06-17 07:58 UTCUpdated Record last modified

blackberry qnx software development platform DOWNGRADE

Affected: 7.0 · 7.1 · 8.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 7.0

1. Check installed version

apt-cache policy qnx-software-development-platform || rpm -q qnx-software-development-platform || qnx-software-development-platform --version

2. No fixed release: DOWNGRADE to a release before 7.0 (Debian / Ubuntu)

apt-cache madison qnx-software-development-platform sudo apt install qnx-software-development-platform=<VERSION_BEFORE_7.0> sudo apt-mark hold qnx-software-development-platform

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list qnx-software-development-platform sudo dnf downgrade qnx-software-development-platform-<VERSION_BEFORE_7.0> sudo dnf versionlock add qnx-software-development-platform

Downgrade risk

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.

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-2024-48856?

qnx software development platform: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-48856 being exploited?

CVE-2024-48856 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-2024-48856 affect?

CVE-2024-48856 affects qnx software development platform. Severity is critical (CVSS 9.8). Out-of-bounds write in the PCX image codec in QNX SDP versions 8.0, 7.1 and 7.0 could allow an unauthenticated attacker to cause a denial-of-service condition or execute code in the context of the process using the image codec.

How urgent is CVE-2024-48856?

Priority 52/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2025-2474 CRITICAL 9.8 DOWNGRADE Out-of-bounds write in the PCX image codec in QNX SDP versions 8.0, 7.1 and 7.0 could allow an unauthenticated
CVE-2024-48858 HIGH 7.5 DOWNGRADE Improper input validation in the PCX image codec in QNX SDP versions 8.0, 7.1 and 7.0 could allow an unauthent
CVE-2024-48857 HIGH 7.5 DOWNGRADE NULL pointer dereference in the PCX image codec in QNX SDP versions 8.0, 7.1 and 7.0 could allow an unauthenti
CVE-2024-48855 MEDIUM 5.3 DOWNGRADE Out-of-bounds read in the TIFF image codec in QNX SDP versions 8.0, 7.1 and 7.0 could allow an unauthenticated
CVE-2024-48854 MEDIUM 5.3 DOWNGRADE Off-by-one error in the TIFF image codec in QNX SDP versions 8.0, 7.1 and 7.0 could allow an unauthenticated a

References

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