CVE-2025-53367

Summary

DjVuLibre is a GPL implementation of DjVu, a web-centric format for distributing documents and images. Prior to version 3.5.29, the MMRDecoder::scanruns method is affected by an OOB-write vulnerability, because it does not check that the xr pointer stays within the bounds of the allocated buffer. This can lead to writes beyond the allocated memory, resulting in a heap corruption condition. An out-of-bounds read with pr is also possible for the same reason. This issue has been patched in version 3.5.29.

Affected Software

Weaknesses

• CWE-787: CWE-787: Out-of-bounds Write
• CWE-125: CWE-125: Out-of-bounds Read

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: total

Additional References

• https://github.blog/security/vulnerability-research/cve-2025-53367-an-exploitable-out-of-bounds-write-in-djvulibre/

CVE Program Container

Additional References

• https://lists.debian.org/debian-lts-announce/2025/07/msg00007.html
• http://www.openwall.com/lists/oss-security/2025/07/03/1
• http://www.openwall.com/lists/oss-security/2025/07/18/3

References

• https://securitylab.github.com/advisories/GHSL-2025-055_DjVuLibre/
• https://github.blog/security/vulnerability-research/cve-2025-53367-an-exploitable-out-of-bounds-write-in-djvulibre
• https://github.com/github/securitylab/tree/main/SecurityExploits/DjVuLibre/MMRDecoder_scanruns_CVE-2025-53367
• https://sourceforge.net/p/djvu/djvulibre-git/ci/33f645196593d70bd5e37f55b63886c31c82c3da
• https://www.openwall.com/lists/oss-security/2025/07/03/1

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