CVE-2017-10976
When SWFTools 0.9.2 processes a crafted file in ttftool, it can lead to a heap-based buffer over-read in the readBlock() function in lib/ttf.c.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.08%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
When SWFTools 0.9.2 processes a crafted file in ttftool, it can lead to a heap-based buffer over-read in the readBlock() function in lib/ttf.c.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.08% probability · 65th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- swftools/swftools
- Source
- cve@mitre.org
EPSS 1.1% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/matthiaskramm/swftools/issues/28Third Party Advisory
- https://github.com/matthiaskramm/swftools/issues/28Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.