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    CVE-2006-6169

    Heap-based buffer overflow in the ask_outfile_name function in openfile.c for GnuPG (gpg) 1.4 and 2.0, when running interactively, might allow attackers to execute arbitrary code via messages with "C-escape" expansions, which cause the make_printable_string function to return a longer string than expected while constructing a prompt.

    Published:Nov 24, 2006
    Last Modified:Apr 23, 2026
    EPS:Nov 29, 2006
    EPSS Score:0.02645
    CVSS Score:6.8

    Affected Products

    Vendor
    Gnupg
    Product
    Gnupg
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-57062 (CVSS 2.9) — CMS (Cryptographic Message Syntax) parsing in gpgsm in GnuPG through 2.5.20 mishandles the CMS format for AES-…
    CVE-2026-24883 (CVSS 3.7) — In GnuPG before 2.5.17, a long signature packet length causes parse_signature to return success with sig->data…
    CVE-2026-24882 (CVSS 8.4) — In GnuPG before 2.5.17, a stack-based buffer overflow exists in tpm2daemon during handling of the PKDECRYPT co…
    CVE-2026-24881 (CVSS 8.1) — In GnuPG before 2.5.17, a crafted CMS (S/MIME) EnvelopedData message carrying an oversized wrapped session key…
    CVE-2025-68973 (CVSS 7.8) — In GnuPG before 2.4.9, armor_filter in g10/armor.c has two increments of an index variable where one is intend…
    CVE-2025-68972 (CVSS 5.9) — In GnuPG through 2.4.8, if a signed message has \f at the end of a plaintext line, an adversary can construct …
    CVE-2025-30258 (CVSS 2.7) — In GnuPG before 2.5.5, if a user chooses to import a certificate with certain crafted subkey data that lacks a…
    CVE-2022-3515 (CVSS 9.8) — A vulnerability was found in the Libksba library due to an integer overflow within the CRL parser. The vulnera…
    CVE-2022-3219 (CVSS 3.3) — GnuPG can be made to spin on a relatively small input by (for example) crafting a public key with thousands of…
    CVE-2022-34903 (CVSS 6.5) — GnuPG through 2.3.6, in unusual situations where an attacker possesses any secret-key information from a victi…

    References

    ftp://patches.sgi.com/support/free/security/advisories/20061201-01-P.asc
    http://lists.gnupg.org/pipermail/gnupg-announce/2006q4/000241.html
    http://lists.suse.com/archive/suse-security-announce/2006-Dec/0004.html
    http://secunia.com/advisories/23094
    http://secunia.com/advisories/23110
    http://secunia.com/advisories/23146
    http://secunia.com/advisories/23161
    http://secunia.com/advisories/23171
    http://secunia.com/advisories/23250
    http://secunia.com/advisories/23269
    http://secunia.com/advisories/23284
    http://secunia.com/advisories/23299
    http://secunia.com/advisories/23303
    http://secunia.com/advisories/23513
    http://secunia.com/advisories/24047
    http://security.gentoo.org/glsa/glsa-200612-03.xml
    http://securityreason.com/securityalert/1927
    http://securitytracker.com/id?1017291
    http://support.avaya.com/elmodocs2/security/ASA-2007-047.htm
    http://www.debian.org/security/2006/dsa-1231
    http://www.mandriva.com/security/advisories?name=MDKSA-2006:221
    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/1/452829/100/0/threaded
    http://www.securityfocus.com/archive/1/453253/100/100/threaded
    http://www.securityfocus.com/bid/21306
    http://www.trustix.org/errata/2006/0068/
    http://www.ubuntu.com/usn/usn-389-1
    http://www.ubuntu.com/usn/usn-393-2
    http://www.vupen.com/english/advisories/2006/4736
    https://bugs.g10code.com/gnupg/issue728
    https://exchange.xforce.ibmcloud.com/vulnerabilities/30550
    https://issues.rpath.com/browse/RPL-826
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11228
    ftp://patches.sgi.com/support/free/security/advisories/20061201-01-P.asc
    http://lists.gnupg.org/pipermail/gnupg-announce/2006q4/000241.html
    http://lists.suse.com/archive/suse-security-announce/2006-Dec/0004.html
    http://secunia.com/advisories/23094
    http://secunia.com/advisories/23110
    http://secunia.com/advisories/23146
    http://secunia.com/advisories/23161
    http://secunia.com/advisories/23171
    http://secunia.com/advisories/23250
    http://secunia.com/advisories/23269
    http://secunia.com/advisories/23284
    http://secunia.com/advisories/23299
    http://secunia.com/advisories/23303
    http://secunia.com/advisories/23513
    http://secunia.com/advisories/24047
    http://security.gentoo.org/glsa/glsa-200612-03.xml
    http://securityreason.com/securityalert/1927
    http://securitytracker.com/id?1017291
    http://support.avaya.com/elmodocs2/security/ASA-2007-047.htm
    http://www.debian.org/security/2006/dsa-1231
    http://www.mandriva.com/security/advisories?name=MDKSA-2006:221
    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/1/452829/100/0/threaded
    http://www.securityfocus.com/archive/1/453253/100/100/threaded
    http://www.securityfocus.com/bid/21306
    http://www.trustix.org/errata/2006/0068/
    http://www.ubuntu.com/usn/usn-389-1
    http://www.ubuntu.com/usn/usn-393-2
    http://www.vupen.com/english/advisories/2006/4736
    https://bugs.g10code.com/gnupg/issue728
    https://exchange.xforce.ibmcloud.com/vulnerabilities/30550
    https://issues.rpath.com/browse/RPL-826
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11228

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High