CVE-2010-2547

HIGH
8.1
CVSS Score
Published: August 5, 2010 at 06:00 PM UTC
Updated: June 16, 2026 at 11:20 PM UTC
3 products affected across 3 vendorsDebian LinuxFedoraGnuPG

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Severity
HIGH8.1
Exploit prediction
EPSS 5%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

References (18)

Vendor Advisoryx_refsource_FEDORAMailing ListThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2010-August/044935.html
Mailing Listx_refsource_MLISTPatchVendor Advisory
http://lists.gnupg.org/pipermail/gnupg-announce/2010q3/000302.html
Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00001.html
Third Party Advisoryx_refsource_SECUNIABroken LinkVendor Advisory
http://secunia.com/advisories/38877
Third Party Advisoryx_refsource_SECUNIABroken LinkVendor Advisory
http://secunia.com/advisories/40718
Third Party Advisoryx_refsource_SECUNIABroken LinkVendor Advisory
http://secunia.com/advisories/40841

CVSS

Attack Vector
NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-416

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