CVE DATABASE / CVE-2010-2547
CVE-2010-2547
CVSS 8.1 · HIGH
Summary
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.
CVSS 3.1 breakdown
| 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 |
| Attack vector | NETWORK |
| Attack complexity | HIGH |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity | HIGH |
| Availability | HIGH |
Weakness type (CWE)
Affected products
Gnupg gnupgFedoraproject fedoraDebian debian linux
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References
- http://lists.fedoraproject.org/pipermail/package-announce/2010-August/044935.html
- http://lists.gnupg.org/pipermail/gnupg-announce/2010q3/000302.html
- http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00001.html
- http://secunia.com/advisories/38877
- http://secunia.com/advisories/40718
- http://secunia.com/advisories/40841
- http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.462008
- http://wiki.rpath.com/wiki/Advisories:rPSA-2010-0076
- http://www.debian.org/security/2010/dsa-2076
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:143
- http://www.securityfocus.com/bid/41945
- http://www.securitytracker.com/id?1024247
- http://www.vupen.com/english/advisories/2010/1931
- http://www.vupen.com/english/advisories/2010/1950
- http://www.vupen.com/english/advisories/2010/1988
Data: NIST NVD. NVD last modified 2026-04-29. Always verify against the vendor advisory before acting.