Vulnerability Details : CVE-2017-11576
FontForge 20161012 does not ensure a positive size in a weight vector memcpy call in readcfftopdict (parsettf.c) resulting in DoS via a crafted otf file.
Vulnerability category: OverflowDenial of service
Products affected by CVE-2017-11576
- cpe:2.3:a:fontforge:fontforge:20161012:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-11576
0.14%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 30 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-11576
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2017-11576
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-11576
-
https://github.com/fontforge/fontforge/issues/3091
negative size param in readcfftopdict (parsettf.c) · Issue #3091 · fontforge/fontforge · GitHubIssue Tracking;Patch;Third Party Advisory
-
http://www.debian.org/security/2017/dsa-3958
Debian -- Security Information -- DSA-3958-1 fontforge
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