CVE-2020-19491 json
There is an invalid memory access bug in cgif.c that leads to a Segmentation fault in sam2p 0.49.4.
published 2021-07-21 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-11395
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 62%
- public exploits
- 0
- none known
Summary
There is an invalid memory access bug in cgif.c that leads to a Segmentation fault in sam2p 0.49.4. A crafted input will lead to a denial of service or possibly unspecified other impact.
Patch / fix
- github.com/pts/sam2p@1d62cf8 commit
Exploit prediction
1.00% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/pts/sam2p/issues/67 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
github.com
/pts/sam2p/commit/1d62cf8964bfcafa6561c4c3bb66d4aa4c529a73
patch, third-party-advisory
-
github.com
/pts/sam2p/issues/67
exploit, third-party-advisory
Sources
- CVE List CVE-2020-19491
- NVD CVE-2020-19491
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