VulnerabilityModified
CVE-2019-16161
Onigmo through 6.2.0 has a NULL pointer dereference in onig_error_code_to_str because of fetch_token in regparse.c.
HIGH 7.5EPSS 2.07%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.07%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Onigmo through 6.2.0 has a NULL pointer dereference in onig_error_code_to_str because of fetch_token in regparse.c.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 2.07% probability · 81th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- k-takata/onigmo
- Source
- cve@mitre.org
EPSS 2.1% 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/k-takata/Onigmo/commit/9827d5a0298ee766f6041db9c0080166ff6cdce8Patch, Third Party Advisory
- https://github.com/k-takata/Onigmo/issues/132Exploit, Third Party Advisory
- https://github.com/k-takata/Onigmo/commit/9827d5a0298ee766f6041db9c0080166ff6cdce8Patch, Third Party Advisory
- https://github.com/k-takata/Onigmo/issues/132Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.