CVE-2018-15587: n/a vulnerability

CVE-2018-15587: GNOME Evolution through 3.28.2 is prone to OpenPGP signatures being spoofed for arbitrary messages using a...

GNOME Evolution through 3.28.2 is prone to OpenPGP signatures being spoofed for arbitrary messages using a specially crafted email that contains a valid signature from the entity to be impersonated as an attachment.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 5, 2024, 10:01 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2018-15587 lets a malicious email make GNOME Evolution appear to show a trusted OpenPGP signature for message content that was not actually signed by that person. The business risk is misdirected trust: users may approve requests, instructions, or documents because the mail client shows a misleading signature status. Exposure is most likely on endpoints using GNOME Evolution through 3.28.2 or distribution packages covered by the Debian, Ubuntu, and openSUSE security advisories. Systems not using Evolution are not implicated by this CVE based on the provided sources. Treat this as a trust and fraud-enablement issue, not a server takeover. Patch promptly where signed email influences payments, legal instructions, HR decisions, or privileged operational approvals. Mitigation focus: Apply the relevant Evolution security update from your Linux distribution vendor.; Prioritize users who rely on signed email for approvals or sensitive instructions.; Check GNOME, Debian, Ubuntu, and openSUSE advisories for corrected package details..

Prepared: Jun 6, 2026, 21:46 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Feb 11, 2019, 17:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

8Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
https://bugzilla.gnome.org/show_bug.cgi?id=796424CVE reference · x_refsource_MISC
[debian-lts-announce] 20190426 [SECURITY] [DLA 1766-1] evolution security updateCVE reference · mailing-list, x_refsource_MLIST
https://github.com/RUB-NDS/Johnny-You-Are-FiredCVE reference · x_refsource_MISC
https://github.com/RUB-NDS/Johnny-You-Are-Fired/blob/master/paper/johnny-fired.pdfCVE reference · x_refsource_MISC
USN-3998-1CVE reference · vendor-advisory, x_refsource_UBUNTU
DSA-4457CVE reference · vendor-advisory, x_refsource_DEBIAN
20190609 [SECURITY] [DSA 4457-1] evolution security updateCVE reference · mailing-list, x_refsource_BUGTRAQ

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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