ttftool v0.9.2 was discovered to contain a segmentation violation via the readU16 function at ttf.c.

published 2023-02-24 3y ago modified 2026-06-17 4mo ago also EUVD-2022-49245

cvss: 5.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 21%
public exploits: 0; none known

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CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: last yr. (2025-03-12)

Exploit prediction

0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

github.com https://github.com/matthiaskramm/swftools/issues/194 referenced PoC, tagged "exploit" by a source, unverified
github.com https://github.com/keepinggg/poc referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CNA	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Classification

Weakness

CWE-125 Out-of-bounds Read

References

github.com /matthiaskramm/swftools/issues/194
exploit, issue-tracking, third-party-advisory
github.com /keepinggg/poc
exploit, third-party-advisory

Sources

CVE List CVE-2022-46440
NVD CVE-2022-46440

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