CVE-2018-19870

8.8 highEPSS 2.4%

High (8.8). EPSS 2.4% chance of exploitation in the next 30 days.

An issue was discovered in Qt before 5.11.3. A malformed GIF image causes a NULL pointer dereference in QGifHandler resulting in a segmentation fault.

Severity

CVSS 3.0

8.8 high

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS: 2.4% chance of exploitation in the next 30 days; higher than 84% of CVEs (scores of 2026-10-31)
CWE: CWE-476
Published: 2018-12-26
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

debian:debian_linux
opensuse:leap
qt:qt

References

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00080.html
https://access.redhat.com/errata/RHSA-2019:2135
https://access.redhat.com/errata/RHSA-2019:3390
https://blog.qt.io/blog/2018/12/04/qt-5-11-3-released-important-security-updates/
https://codereview.qt-project.org/#/c/235998/

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