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CVE-2026-55999

CVE

Threat entity extracted from intelligence sources

Frequency
10
occurrences
First Seen
July 8, 2026
Last Seen
September 3, 2026
API
Exploited in Wild
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Ransomware Use
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Public Exploits
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Attack Vector
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Vulnerability Overview

Exploitation Activity

Exploitation Intelligence

Fedora has released critical updates for two components, Xwayland and OpenImageIO, addressing vulnerabilities CVE-2026-55999, CVE-2026-56000, and CVE-2024-55195. The updates were published on July 8, 2026, and July 12, 2026, respectively. CVE-2026-55999 and CVE-2026-56000 affect Fedora 43 and 44's X...

Recent updates have addressed critical vulnerabilities in xorg-server affecting Slackware and SUSE systems. The vulnerabilities include CVE-2026-55999, a heap buffer overflow due to a missing bounds check in `glamor_font_get`, and CVE-2026-56000, a use-after-free issue in `CommonMakeCurrent`. These...

On July 8, 2026, X.Org announced security vulnerabilities affecting the X server and XWayland. Two critical CVEs were disclosed: CVE-2026-55999, a heap buffer overflow in glamor Font Atlas, and CVE-2026-56000, a use-after-free vulnerability in GLX contextTags. Both vulnerabilities were patched in th...

Oracle has released multiple security updates for its Linux distributions, addressing several critical vulnerabilities. Key updates include patches for CVE-2026-59090 and CVE-2026-18301 in GIMP, and multiple CVEs in FreeRDP, libssh, and Grafana. Affected systems include Oracle Linux 8, 9, and 10, wi...

Public Exploits

Checking GitHub for proof-of-concept code…