diplib Double Free

published 2022-11-04 4 y ago modified 2026-06-27 4 mo ago also GHSA-xf2w-5673-h6ww , PYSEC-2022-43131 , EUVD-2022-0398

cvss: 6.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.9%; EPSS 0.9% chance of exploitation in 30 days, percentile 59%
public exploits: 0; none known

diplib v3.0.0 is vulnerable to Double Free.

Patch / fix

fixed in 1 links 2

pypi diplib 3.1.0

github.com/DIPlib/diplib@8b9a267 commit
github.com/DIPlib/diplib/issues/80 advisory

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 18 mo ago (2025-05-02)

Exploit prediction

0.88% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/DIPlib/diplib/issues/80 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CNA	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
GitHub	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected packages

ecosystem	package	affected	fixed in
pypi	diplib	<3.1.0	3.1.0

Classification

Weakness

CWE-416 Use After Free
CWE-415 Double Free

References

github.com /DIPlib/diplib/commit/8b9a2670ce66ff2fd5addf592f7825e1f5adb5b5
web, patch, third-party-advisory
github.com /DIPlib/diplib/issues/80
web, exploit, issue-tracking, patch, third-party-advisory, evidence, report
nvd.nist.gov /vuln/detail/CVE-2021-39432
advisory
github.com /DIPlib/diplib
package
github.com /pypa/advisory-database/tree/main/vulns/diplib/PYSEC-2022-43131.yaml
web
github.com /advisories/GHSA-xf2w-5673-h6ww
advisory

Sources

Fencer Vulns 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