CVE-2026-18370: eradman entr · Heap-based Buffer Overflow
Affects eradman entrSource CVE Database V5
Not known to be exploited · CVSS 4.8 Medium.
Data as of 8 Nov 2026, 23:24 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 5% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 10 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 8 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| eradmanentr | Affected
| Fixed in– |
GitHubentrpkg:github/entrOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
A fix for this vulnerability is available as it was resolved in commit 2467fe0. Users should update entr to a version that includes this fix.
Description
A heap-based buffer overflow vulnerability exists in the run_utility() function of the entr utility. The issue arises from incorrect handling of buffer size calculations when copying command-line arguments, leading to out-of-bounds writes. This can cause memory corruption, process abort, and denial of service. The vulnerability affects entr versions up to and including 5.8 and was fixed in a later commit.