Is CVE-2018-7889 in the CISA KEV catalog?

No. CVE-2018-7889 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-7889?

CVE-2018-7889 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2018-7889?

CVE-2018-7889 has an EPSS score of 4.67% (91th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-7889?

Upgrade calibre on debian 11 to 3.19.0+dfsg-1 or later.

CVE & CISA-KEV Catalog

CVE-2018-7889

HIGHEPSS 91th pctl

7.8

CVSS v3

NVD

Description

gui2/viewer/bookmarkmanager.py in Calibre 3.18 calls cPickle.load on imported bookmark data, which allows remote attackers to execute arbitrary code via a crafted .pickle file, as demonstrated by Python code that contains an os.system call.

CWE-502Deserialization of Untrusted Data

How to fix

Remediation Available

calibreDebian

Fixed in:3.19.0+dfsg-1CVE-2018-7889

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

4.67%probability of exploitation in 30 days

91stpercentile

High risk: more likely to be exploited than 91% of all known CVEs.

References

Patch1

github.com

Exploit1

bugs.launchpad.net

Related Vulnerabilities

Other CWE-502 (Deserialization of Untrusted Data) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-0669	High	7.2	100%	KEV + Ransom	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-35464	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-29300	Critical	9.8	100%	KEV + Ransom	-
CVE-2025-53770	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2022-47986	Critical	9.8	100%	KEV + Ransom	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.