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8.8
OpenJPEG may crash or be exploited during image encoding
published 4 days ago
Summary
The OpenJPEG software library can overrun memory when it processes certain image data, which could cause the program to stop working or allow an attacker to take control. This issue occurs in the function that encodes image packets. Update OpenJPEG to the latest version or apply the vendor's patch to protect your systems.
What to do
- Update cleanstart openjpeg to version 2.3.0-r0.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| CleanStart | cleanstart | openjpeg |
< 2.3.0-r0 Fix: upgrade to 2.3.0-r0
|
Original advisory text
heap-based buffer overflow was discovered in the opj_t2_encode_packet function in lib/openjp2/t2
Security vulnerability affects the openjpeg package. A heap-based buffer overflow was discovered in the opj_t2_encode_packet function in lib/openjp2/t2.
Internet-facing
14 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit (estimated)
- Gives an attacker full control (estimated)
Timeline
Published31 Oct 2026
Updated31 Oct 2026
First seen31 Oct 2026
Sources
CLEANSTART-2024-HO48548 · OSV
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