Machine-written summary
Summary written by Claude Haiku from the source advisory. Not reviewed by a person.
Croc (github.com/schollz/croc/v9) versions before 9.6.16 are vulnerable. A sender can include ANSI or CSI escape sequences in a filename, which can affect the terminal of a receiver when the file is received. The source gives few details about the exact impact. Upgrade to version 9.6.16 or later.
Not analysed yet
We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 7.8 | High | 3.1 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H | GitHub Advisory Database |
- CISA KEV Not listed.
- EPSS 0.0037, the 30th percentile, on 10 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 31 Oct 2026, 14:15 UTC First seen by agentprime
- 31 Oct 2026, 14:15 UTC Confirmed by OSV
Sources
- GitHub Advisory Database: GHSA-364c-vvqx-446c
- OSV: GHSA-364c-vvqx-446c
- nvd.nist.gov/vuln/detail/CVE-2023-43620
- github.com/schollz/croc/issues/595
- github.com/schollz/croc/pull/697
- github.com/schollz/croc/commit/3f12f75fae2e844c555ec01eeba0b8474938e93a
- github.com/schollz/croc
- www.openwall.com/lists/oss-security/2023/09/08/2
- www.openwall.com/lists/oss-security/2023/09/21/5