CVE-2010-2547

Publication date 5 August 2010

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

8.1 · High

Score breakdown

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.

Status

Package Ubuntu Release Status
gnupg2 10.04 LTS lucid
Fixed 2.0.14-1ubuntu1.2
9.10 karmic
Fixed 2.0.12-0ubuntu2.1
9.04 jaunty
Fixed 2.0.9-3.1ubuntu0.1
8.04 LTS hardy
Fixed 2.0.7-1ubuntu0.1
6.06 LTS dapper Ignored end of life

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
gnupg2

Severity score breakdown

CVSS version: CVSS v3.0

Base score 8.1 · High

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

References

Related Ubuntu Security Notices (USN)

    • USN-970-1
    • GnuPG2 vulnerability
    • 11 August 2010

Other references

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