What’s Vulnerable › Vulnerabilities

CVE-2019-18391

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-12-23 · updated 2026-06-17
• Weakness: CWE-787

Description

A heap-based buffer overflow in the vrend_renderer_transfer_write_iov function in vrend_renderer.c in virglrenderer through 0.8.0 allows guest OS users to cause a denial of service via VIRGL_CCMD_RESOURCE_INLINE_WRITE commands.

Affected products

• Debian Linux: 10.0
• openSUSE Leap: 15.1
• Red Hat Enterprise Linux: 8.0
• Virglrenderer Project Virglrenderer: through 0.8.0

References

• http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00028.html
• https://access.redhat.com/security/cve/cve-2019-18391
• https://bugzilla.redhat.com/show_bug.cgi?id=1765589
• https://gitlab.freedesktop.org/virgl/virglrenderer/commit/2abeb1802e3c005b17a7123e382171b3fb665971
• https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/314/diffs?commit_id=8c9cfb4e425542e96f0717189fe4658555baaf08
• https://lists.debian.org/debian-lts-announce/2022/12/msg00017.html
• http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00028.html
• https://access.redhat.com/security/cve/cve-2019-18391
• https://bugzilla.redhat.com/show_bug.cgi?id=1765589
• https://gitlab.freedesktop.org/virgl/virglrenderer/commit/2abeb1802e3c005b17a7123e382171b3fb665971
• https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/314/diffs?commit_id=8c9cfb4e425542e96f0717189fe4658555baaf08
• https://lists.debian.org/debian-lts-announce/2022/12/msg00017.html

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