CVE-2022-46440 json
ttftool v0.9.2 was discovered to contain a segmentation violation via the readU16 function at ttf.c.
published 2023-02-24 3 y ago modified 2026-06-17 4 mo 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
Summary
ttftool v0.9.2 was discovered to contain a segmentation violation via the readU16 function at ttf.c.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 19 mo ago
Exploit prediction
0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-08).
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
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.