High 7.5Published Jun 8, 2018

CVE-2018-12020mainproc.c in GnuPG before 2.2.8 mishandles the original filename during decryption and verification actions, which allows remote attackers to spoof the output that GnuPG sends on file descriptor 2 t…

Updated under an hour ago (Nov 2, 2026, 12:23 AM ET)

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It affects redhat enterprise_linux_desktop and 8 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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mainproc.c in GnuPG before 2.2.8 mishandles the original filename during decryption and verification actions, which allows remote attackers to spoof the output that GnuPG sends on file descriptor 2 to other programs that use the "--status-fd 2" option. For example, the OpenPGP data might represent an original filename that contains line feed characters in conjunction with GOODSIG or VALIDSIG status codes.

CVSS: 7.5 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness (CWE): CWE-706
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

redhat enterprise_linux_desktop redhat:enterprise_linux_desktop	6.0; 7.0	NVD
redhat enterprise_linux_server redhat:enterprise_linux_server	6.0; 7.0	NVD
redhat enterprise_linux_server_aus redhat:enterprise_linux_server_aus	7.6	NVD
redhat enterprise_linux_server_eus redhat:enterprise_linux_server_eus	7.5; 7.6	NVD
redhat enterprise_linux_server_tus redhat:enterprise_linux_server_tus	7.6	NVD
redhat enterprise_linux_workstation redhat:enterprise_linux_workstation	6.0; 7.0	NVD
canonical ubuntu_linux canonical:ubuntu_linux	12.04; 14.04; 16.04; 17.10; 18.04; 18.10; 19.04	NVD
debian debian_linux debian:debian_linux	8.0; 9.0	NVD
gnupg gnupg gnupg:gnupg	before 2.2.8	NVD

References

References

http://openwall.com/lists/oss-security/2018/06/08/2	mailing-list, third-party-advisory
http://packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.html	third-party-advisory, vdb-entry
http://seclists.org/fulldisclosure/2019/Apr/38	mailing-list, third-party-advisory
http://www.openwall.com/lists/oss-security/2019/04/30/4	mailing-list, third-party-advisory
http://www.securityfocus.com/bid/104450	broken-link
http://www.securitytracker.com/id/1041051	broken-link
https://access.redhat.com/errata/RHSA-2018:2180	third-party-advisory
https://access.redhat.com/errata/RHSA-2018:2181	third-party-advisory
https://dev.gnupg.org/T4012	patch, vendor-advisory
https://github.com/RUB-NDS/Johnny-You-Are-Fired	technical-description, third-party-advisory
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The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.