Is CVE-2010-2547 in the CISA KEV catalog?

No. CVE-2010-2547 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2010-2547?

CVE-2010-2547 has a CVSS v3 base score of 8.1 (HIGH).

What is the EPSS score for CVE-2010-2547?

CVE-2010-2547 has an EPSS score of 5.34% (92th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2010-2547?

Upgrade gnupg2 on debian 11 to 2.0.14-2 or later.

CVE & CISA-KEV Catalog

CVE-2010-2547

HIGHEPSS 92th pctl

8.1

CVSS v3

NVD

Description

Use-after-free vulnerability in kbx/keybox-blob.c in GPGSM in GnuPG 2.x through 2.0.16 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a certificate with a large number of Subject Alternate Names, which is not properly handled in a realloc operation when importing the certificate or verifying its signature.

CWE-416Use After Free

How to fix

Remediation Available

gnupg2Debian

Fixed in:2.0.14-2CVE-2010-2547

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 VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

5.34%probability of exploitation in 30 days

92ndpercentile

High risk: more likely to be exploited than 92% of all known CVEs.

References

Patch1

lists.gnupg.org

Vendor Advisory6

Third-Party Advisory5

Other references6

Related Vulnerabilities

Other CWE-416 (Use After Free) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-0708	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-31166	Critical	9.8	100%	KEV	Fix
CVE-2015-5119	Critical	9.8	99%	KEV	-
CVE-2010-3962	High	8.1	97%	KEV	-
CVE-2015-0313	Critical	9.8	96%	KEV	Fix
CVE-2017-9798	High	7.5	95%	-	Fix

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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 2026-04-29.