CVE-2006-6235
CVE-2006-6235 is a critical-severity vulnerability in Gnu Privacy Guard with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Critical (CVSS 2.0 base score 10.0)
- EPSS exploit prediction: 6% (92nd percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Gnu Privacy Guard
- Published:
- Last modified:
Description
A "stack overwrite" vulnerability in GnuPG (gpg) 1.x before 1.4.6, 2.x before 2.0.2, and 1.9.0 through 1.9.95 allows attackers to execute arbitrary code via crafted OpenPGP packets that cause GnuPG to dereference a function pointer from deallocated stack memory.
Frequently asked questions
- What is CVE-2006-6235?
- A "stack overwrite" vulnerability in GnuPG (gpg) 1.x before 1.4.6, 2.x before 2.0.2, and 1.9.0 through 1.9.95 allows attackers to execute arbitrary code via crafted OpenPGP packets that cause GnuPG to dereference a function pointer from deallocated stack memory.
- How severe is CVE-2006-6235?
- CVE-2006-6235 has a CVSS 2.0 base score of 10.0, rated critical severity.
- Is CVE-2006-6235 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2006-6235?
- CVE-2006-6235 primarily affects Gnu Privacy Guard. In total, 32 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2006-6235?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2006-6235 published?
- CVE-2006-6235 was published on 2006-12-07 and last updated on 2026-06-16.
References
- ftp://patches.sgi.com/support/free/security/advisories/20061201-01-P.asc
- http://lists.gnupg.org/pipermail/gnupg-announce/2006q4/000491.html
- http://lists.suse.com/archive/suse-security-announce/2006-Dec/0004.html
- http://secunia.com/advisories/23245
- http://secunia.com/advisories/23250
- http://secunia.com/advisories/23255
- http://secunia.com/advisories/23259
- http://secunia.com/advisories/23269
- http://secunia.com/advisories/23284
- http://secunia.com/advisories/23290
- http://secunia.com/advisories/23299
- http://secunia.com/advisories/23303
- http://secunia.com/advisories/23329
- http://secunia.com/advisories/23335
- http://secunia.com/advisories/23513
- http://secunia.com/advisories/24047
- http://security.gentoo.org/glsa/glsa-200612-03.xml
- http://securitytracker.com/id?1017349
- http://support.avaya.com/elmodocs2/security/ASA-2007-047.htm
- http://www.debian.org/security/2006/dsa-1231
- http://www.kb.cert.org/vuls/id/427009
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:228
- http://www.novell.com/linux/security/advisories/2006_28_sr.html
- http://www.openpkg.com/security/advisories/OpenPKG-SA-2006.037.html
- http://www.redhat.com/support/errata/RHSA-2006-0754.html
- http://www.securityfocus.com/archive/1/453664/100/0/threaded
- http://www.securityfocus.com/archive/1/453723/100/0/threaded
- http://www.securityfocus.com/bid/21462
- http://www.trustix.org/errata/2006/0070
- http://www.ubuntu.com/usn/usn-393-1
Affected products (32)
- cpe:2.3:a:gnu:privacy_guard:1.2.4:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:privacy_guard:1.2.5:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:privacy_guard:1.2.6:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:privacy_guard:1.2.7:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:privacy_guard:1.3.3:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:privacy_guard:1.3.4:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:privacy_guard:1.4:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:privacy_guard:1.4.1:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:privacy_guard:1.4.2:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:privacy_guard:1.4.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:privacy_guard:1.4.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:privacy_guard:1.4.3:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:privacy_guard:1.4.4:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:privacy_guard:1.4.5:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:privacy_guard:1.9.10:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:privacy_guard:1.9.15:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:privacy_guard:1.9.20:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:privacy_guard:2.0:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:privacy_guard:2.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:gpg4win:gpg4win:1.0.7:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:4.0:*:advanced_server:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:4.0:*:enterprise_server:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:4.0:*:workstation:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_desktop:3.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_desktop:4.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:fedora_core:core_5.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:fedora_core:core6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:linux_advanced_workstation:2.1:*:itanium_processor:*:*:*:*:*
- cpe:2.3:o:rpath:linux:1:*:*:*:*:*:*:*
- cpe:2.3:o:slackware:slackware_linux:11.0:*:*:*:*:*:*:*
- cpe:2.3:o:ubuntu:ubuntu_linux:5.10:*:*:*:*:*:*:*
- cpe:2.3:o:ubuntu:ubuntu_linux:6.06:*:*:*:*:*:*:*
More vulnerabilities in Gnu Privacy Guard
- CVE-2003-0255 — Critical (CVSS 10.0): The key validation code in GnuPG before 1.2.2 does not properly determine the validity of keys with multiple user IDs…
- CVE-2003-0978 — High (CVSS 7.5): Format string vulnerability in gpgkeys_hkp (experimental HKP interface) for the GnuPG (gpg) client 1.2.3 and earlier,…
- CVE-2001-0522 — High (CVSS 7.5): Format string vulnerability in Gnu Privacy Guard (aka GnuPG or gpg) 1.05 and earlier can allow an attacker to gain…
- CVE-2000-0974 — High (CVSS 7.5): GnuPG (gpg) 1.0.3 does not properly check all signatures of a file containing multiple documents, which allows an…
- CVE-2006-0049 — Medium (CVSS 5.0): gpg in GnuPG before 1.4.2.2 does not properly verify non-detached signatures, which allows attackers to inject unsigned…
- CVE-2003-0971 — Medium (CVSS 5.0): GnuPG (GPG) 1.0.2, and other versions up to 1.2.3, creates ElGamal type 20 (sign+encrypt) keys using the same key…