What’s Vulnerable › Vulnerabilities

CVE-2016-20011

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-05-25 · updated 2026-06-17
• Weakness: CWE-295

Description

libgrss through 0.7.0 fails to perform TLS certificate verification when downloading feeds, allowing remote attackers to manipulate the contents of feeds without detection. This occurs because of the default behavior of SoupSessionSync.

Affected products

• GNOME Libgrss: through 0.7.0

References

• https://bugzilla.gnome.org/show_bug.cgi?id=772647
• https://gitlab.gnome.org/GNOME/libgrss/-/issues/4
• https://gitlab.gnome.org/GNOME/libgrss/-/merge_requests/7.patch
• https://bugzilla.gnome.org/show_bug.cgi?id=772647
• https://gitlab.gnome.org/GNOME/libgrss/-/issues/4
• https://gitlab.gnome.org/GNOME/libgrss/-/merge_requests/7.patch

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