Vulnerabilities
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EPSS
| CVE | CVSS | EPSS | Vendor, product | Description | Modified |
|---|---|---|---|---|---|
| CVE-2015-5477KEVexploit ×10 | 7.5 high | 100.0% | juniper, fedoraproject, junos, fedora, enterprise_linux | named in ISC BIND 9.x before 9.9.7-P2 and 9.10.x before 9.10.2-P3 allows remote attackers to cause a denial of service (REQUIRE assertion failure and daemon exit) via TKEY queries. | 9 Oct |
| CVE-2026-34000 | 9.1 critical | 0.00% | x.org, redhat, x_server, enterprise_linux | A flaw was found in the X.Org X server. This out-of-bounds read vulnerability in the XKB geometry processing, specifically within the `CheckSetGeom()` and `XkbAddGeomKeyAlias` functions, allows an attacker to read uninitialized or out-of-bounds memory. An attacker with a connection to the X11 server, either locally or remotely, can exploit this without user interaction. This could lead to the disclosure of memory contents or cause a denial of service by crashing the server. | Mon 26 Oct |
| CVE-2026-34002 | 9.1 critical | 0.00% | x.org, redhat, x_server, enterprise_linux | A flaw was found in the X.Org X server. This vulnerability, an out-of-bounds read, affects the XKB (X Keyboard Extension) modifier map handling. An attacker with access to the X11 server can exploit this by sending a malformed request, which causes the server to read beyond its intended memory boundaries. This can lead to the exposure of sensitive information or cause the server to crash, resulting in a denial of service. | Mon 26 Oct |
| CVE-2026-56001 | 8.8 high | 0.00% | x, libxfont | A heap buffer overflow in BitmapScaleBitmaps in libXfont2 before 2.0.8 due to an overflowing 32bit size could be used by attackers able to access the X Server to execute code within the X server cont | Sun 25 Oct |
| CVE-2026-56002 | 8.8 high | 0.00% | x, libxfont | A heap bufferflow in pcfReadFont() due to missing glyph bounds checking in libXfont2 before 2.0.8 allows attackers authenticated as X client to execute code within the X server. | Sun 25 Oct |
| CVE-2026-56003 | 8.8 high | 0.00% | x, libxfont | A heap buffer overflow due to missing size checking in the property buffer when parsing PCF files in libXfont2 ComputeScaledProperties() before libXfont2 before 2.0.8 could be used by attackers using authenticated X clients to execute code within the X server. | Sun 25 Oct |
| CVE-2026-93517 | 8.5 high | — | no CPE yet | A heap buffer overflow in handling GLX RenderLarge request where dataBytes exceeds cmdlen in X.org X server before 21.1.25 and XWayland before 24.1.14 that could be be triggered by an authenticated X client could cause crashes or code execution in X server context. | Wed 28 Oct |
| CVE-2026-93523 | 7.8 high | — | no CPE yet | A heap buffer overflow caused by a XIPassiveUngrabDevice request with an out-of-range modifier value in X.Org X Server before 21.1.15 and XWayland before 24.1.14 could be used by authenticated X clients to crash or potentially execute code in X server context. | Wed 28 Oct |
| CVE-2026-93522 | 7.8 high | — | no CPE yet | A heap buffer overflow caused by mismatched size usage in CopyArea CPU-to-FBO path in X.Org X Server before 21.1.15 and XWayland before 24.1.14 could be used by authenticated X clients to crash or potentially execute code in the X server context. | Wed 28 Oct |
| CVE-2026-93521 | 7.8 high | — | no CPE yet | A buffer overflow in RandR ChangeProviderProperty requests in X.Org X Server before 2.1.25 and XWayland before 24.4.14 could be used by authenticated X clients to crash or execute code within the X server context. | Wed 28 Oct |
| CVE-2026-93520 | 7.8 high | — | no CPE yet | A heap buffer overflow caused by mismatching size calculations between XkbAllocNames and ChangeKeycodeRange in X.org X server before 2.1.25 and XWayland before 24.1.14 could be used by authenticated X clients to crash or potentially execute code in X server context. | Wed 28 Oct |
| CVE-2026-93519 | 7.8 high | — | no CPE yet | A buffer overflow when handling pointer barriers in the XFIXES extension in X.Org X server before 21.1.25 and XWayland before 24.1.14 could be used by authenticated X clients to crash or potentially execute code in X server context. | Wed 28 Oct |
| CVE-2026-93518 | 7.8 high | — | no CPE yet | An integer truncation issue in XkbResizeKeyType() that could lead to a heap buffer overflow by authenticated X clients in X.org X server before 21.1.25 and XWayland before 24.1.14 could be exploited for crashes or potential code execution in the X server. | Wed 28 Oct |
| CVE-2026-88812 | 7.8 high | 0.00% | no CPE yet | A double free in XKB SetGeometryin X.Org X Server before 21.1.25 and X Wayland before 24.1.14 could be used by attached clients to cause a crash or potentially code in the x server context. | Wed 28 Oct |
| CVE-2026-33999 | 7.8 high | 0.00% | no CPE yet | A flaw was found in the X.Org X server. This integer underflow vulnerability, specifically in the XKB compatibility map handling, allows an attacker with local or remote X11 server access to trigger a buffer read overrun. This can lead to memory-safety violations and potentially a denial of service (DoS) or other severe impacts. | Mon 26 Oct |
| CVE-2026-34001 | 7.8 high | 0.00% | no CPE yet | A flaw was found in the X.Org X server. This use-after-free vulnerability occurs in the XSYNC fence triggering logic, specifically within the miSyncTriggerFence() function. An attacker with access to the X11 server can exploit this without user interaction, leading to a server crash and potentially enabling memory corruption. This could result in a denial of service or further compromise of the system. | Mon 26 Oct |
| CVE-2026-34003 | 7.8 high | 0.00% | no CPE yet | A flaw was found in the X.Org X server's XKB key types request validation. A local attacker could send a specially crafted request to the X server, leading to an out-of-bounds memory access vulnerability. This could result in the disclosure of sensitive information or cause the server to crash, leading to a Denial of Service (DoS). In certain configurations, higher impact outcomes may be possible. | Mon 26 Oct |
| CVE-2026-109089 | 7.5 high | 0.00% | no CPE yet | A buffer overflow when handling DEVICE_RESOLUTION in libXi before 1.8.4 could overflow a heap, triggered by a malicious X server. | Wed 28 Oct |
| CVE-2026-109090 | 7.5 high | 0.00% | no CPE yet | A malicious X server could cause a heap overflow by injecting a large DEVICE_ENABLE reply when processed by libXi before 1.8.4. | Wed 28 Oct |
| CVE-2026-93524 | 6.9 medium | — | no CPE yet | A buffer overread in CheckKeySyms() in X.Org X Server before 21.1.25 and XWayland before 24.1.14 could be used by authenticated X clients to leak small amounts of information from X server memory or potentially crash the X server. | Wed 28 Oct |
| CVE-2026-93515 | 6.8 medium | — | no CPE yet | A use-after-free in present_clear_window_notifies() in the X.org X Server before 21.1.25 and X Wayland before 24.1.14 could be used by malicious X clients to crash or potentially execute code in the X server context. | Wed 28 Oct |
| CVE-2026-109088 | 6.5 medium | 0.00% | no CPE yet | A malicious X server could send malformed RECORD EnableContext reolies that can cause a X client using the parse_reply_call_callback function in libXtst before 1.2.6 to enter a endless loop. | Wed 28 Oct |
| CVE-2026-93516 | 5.5 medium | — | no CPE yet | A use-after-free caused by lack of lifecycle management when adding / removing XInput master devices in X.org X Server before 21.1.25 and XWayland before 24.1.14 could be used by authenticated X Clients to crash the X server or potentially execute code in X server context. | Wed 28 Oct |
| CVE-2026-93536 | 5.3 medium | — | no CPE yet | A use after free caused by missing lifecycle management of gesture sprites in GestureBuildSprite() in X.Org X Server before 21.1.25 and XWayland before 24.1.14 could be used by authenticated X clients to crash the X server or potentially execute code. | Wed 28 Oct |
24 of 24
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EPSS scores: 2026-10-28. NVD cursor: 2026-10-29 00:22. The News page shows only notable CVEs (KEV, your stack, new criticals, EPSS over 50%, or active exploitation per SSVC); this table has all of them.