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Security Advisories

CGA-96f9-p5fp-985v

Package

py3.13-fontforge

Component

py3.13-fontforge

Latest update

Fixed

Fixed version

20251009-r6

Aliases

Severity

7.8

High

CVSS V3

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References

  • https://nvd.nist.gov/vuln/detail/CVE-2025-15279

Updates

Status

Fixed

Fixed version

20251009-r6

Impact

Fixed by backporting the upstream commits for this CVE to 20251009: fontforge/fontforge#5720 (7d67700c) and #5723 (720ea950), carried verbatim as os/fontforge/CVE-2025-15279.patch. Those two bound only the 8-bit branch of the BMP RLE decompressor; the 4-bit branch of the same function overflows the same heap buffer and upstream closed that report (fontforge/fontforge#5808) without a fix, so os/fontforge/5808-bmp-rle4-bounds.patch bounds it as well, and the whole reachable overflow in readpixels() is closed. ZDI did not publish a proof of concept for this id, so which depth the original report hit is not known; both are now bounded. The package test carries fixtures for both branches plus a boundary case, and well-formed bitmaps as controls. The 4-bit bound is offered upstream as fontforge/fontforge#5918.

Status

Pending upstream fix

Impact

Waiting on upstream to publish a fixed version for this vulnerability.

Status

Under investigation


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