No exploitation reportedFix available

CVE-2010-2547

No exploitation reported by the sources we read.

Published2010-08-05
WeaknessCWE-416

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC

2010-08-0518:17CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2010-2547?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2010-2547?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Debian debian linux

Branch	Affected	Fixed in	Source
5.0	= 5.0	no fix published	NVD

Fedoraproject fedora

Branch	Affected	Fixed in	Source
13.x	= 13	no fix published	NVD

Gnupg

Branch	Affected	Fixed in	Source
2.0	≥ 2.0.0, ≤ 2.0.16	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

lists.gnupg.orgPatch · Vendor Advisory
secunia.comVendor Advisory
secunia.comVendor Advisory
secunia.comVendor Advisory
www.vupen.comVendor Advisory
www.vupen.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.18.1read 2026-10-23
NVDCVSS 2.05.1read 2026-10-23
NVDweakness (CWE)CWE-416read 2026-10-23
FIRST EPSSEPSS score5.3 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2010-08-05
Last Modified: 2026-06-16
NVD status: Modified

Frequently asked questions

What is CVE-2010-2547?

Is CVE-2010-2547 actively exploited?

Active exploitation of CVE-2010-2547 has not been confirmed. Its EPSS score was 5.3% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

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

CVE-2010-2547 has a CVSS v3 base score of 8.1 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

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