caml-light <= 0.75 uses mktemp() insecurely, and also does unsafe things in /tmp during make install.

published 2021-10-26 5 y ago modified 2026-06-16 4 mo ago also EUVD-2011-4067

cvss: 9.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.9%; EPSS 1.9% chance of exploitation in 30 days, percentile 79%
public exploits: 0; none known

Patch / fix

links 2

seclists.org/oss-sec/2011/q4/249 advisory
gnats.netbsd.org/45558 advisory

Exploit prediction

1.89% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

seclists.org https://seclists.org/oss-sec/2011/q4/249 referenced PoC, tagged "exploit" by a source, unverified
gnats.netbsd.org http://gnats.netbsd.org/45558 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

n/a caml-light

Classification

Weakness

CWE-377 DEPRECATED: Insecure Temporary File

References

seclists.org /oss-sec/2011/q4/249
exploit, mailing-list, patch, third-party-advisory
gnats.netbsd.org /45558
exploit, patch, third-party-advisory
vuxml.freebsd.org /freebsd/9dde9dac-08f4-11e1-af36-003067b2972c.html
third-party-advisory

Sources

CVE List CVE-2011-4119
NVD CVE-2011-4119

Fencer Intel 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.

Summary