🚨 CVE-2026-64244
In the Linux kernel, the following vulnerability has been resolved:
drivers/base/memory: set mem->altmap after successful device registration
If __add_memory_block() fails at xa_store() (under memory pressure for
example), device_unregister() is called, which eventually triggers
memory_block_release() with mem->altmap still set, causing a
WARN_ON(mem->altmap). This was triggered by modifying virtio-mem driver.
Fix this by delaying the assignment of mem->altmap until after
__add_memory_block() has succeeded.
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In the Linux kernel, the following vulnerability has been resolved:
drivers/base/memory: set mem->altmap after successful device registration
If __add_memory_block() fails at xa_store() (under memory pressure for
example), device_unregister() is called, which eventually triggers
memory_block_release() with mem->altmap still set, causing a
WARN_ON(mem->altmap). This was triggered by modifying virtio-mem driver.
Fix this by delaying the assignment of mem->altmap until after
__add_memory_block() has succeeded.
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🚨 CVE-2026-64245
In the Linux kernel, the following vulnerability has been resolved:
fbdev: modedb: fix a possible UAF in fb_find_mode()
If mode_option is NULL, it is assigned from mode_option_buf:
if (!mode_option) {
fb_get_options(NULL, &mode_option_buf);
mode_option = mode_option_buf;
}
Later, name is assigned from mode_option:
const char *name = mode_option;
However, mode_option_buf is freed before name is no longer used:
kfree(mode_option_buf);
while name is still accessed by:
if ((name_matches(db[i], name, namelen) ||
Since name aliases mode_option_buf, this may result in a
use-after-free.
Fix this by extending the lifetime of mode_option_buf until the end of the
function by using scope-based resource management for cleanup.
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In the Linux kernel, the following vulnerability has been resolved:
fbdev: modedb: fix a possible UAF in fb_find_mode()
If mode_option is NULL, it is assigned from mode_option_buf:
if (!mode_option) {
fb_get_options(NULL, &mode_option_buf);
mode_option = mode_option_buf;
}
Later, name is assigned from mode_option:
const char *name = mode_option;
However, mode_option_buf is freed before name is no longer used:
kfree(mode_option_buf);
while name is still accessed by:
if ((name_matches(db[i], name, namelen) ||
Since name aliases mode_option_buf, this may result in a
use-after-free.
Fix this by extending the lifetime of mode_option_buf until the end of the
function by using scope-based resource management for cleanup.
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🚨 CVE-2026-62761
Improper link resolution before file access ('link following') in Windows DHCP Server allows an authorized attacker to elevate privileges locally.
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Improper link resolution before file access ('link following') in Windows DHCP Server allows an authorized attacker to elevate privileges locally.
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🚨 CVE-2026-62776
Improper link resolution before file access ('link following') in Windows DHCP Server allows an authorized attacker to elevate privileges locally.
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Improper link resolution before file access ('link following') in Windows DHCP Server allows an authorized attacker to elevate privileges locally.
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🚨 CVE-2026-63522
Incorrect permission assignment for critical resource in Azure SQL Database allows an authorized attacker to elevate privileges locally.
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Incorrect permission assignment for critical resource in Azure SQL Database allows an authorized attacker to elevate privileges locally.
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🚨 CVE-2026-65774
Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally.
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Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally.
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🚨 CVE-2026-65806
Missing authorization in Azure CycleCloud allows an authorized attacker to disclose information over a network.
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Missing authorization in Azure CycleCloud allows an authorized attacker to disclose information over a network.
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🚨 CVE-2026-70340
Missing authorization in Azure CycleCloud allows an authorized attacker to elevate privileges over a network.
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Missing authorization in Azure CycleCloud allows an authorized attacker to elevate privileges over a network.
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🚨 CVE-2026-73433
A flaw was found in GStreamer gst-plugins-good (avidemux). When parsing FUJIFILM metadata in an AVI strd chunk, gst_avi_demux_parse_strd() decrements a remaining-length counter by fixed offsets (98 and 10 bytes) without verifying sufficient data remains. For crafted strd payloads of exactly 106 or 107 bytes, the counter underflows to a very large unsigned value, causing subsequent null-terminated string scanning to read far beyond the allocated heap buffer. Date-format normalization may also write beyond the buffer end. Confirmed impacts include heap out-of-bounds read, out-of-bounds write, heap information disclosure (adjacent data appearing in parsed metadata), and application crash/denial of service. The avidemux element is auto-plugged by playbin, decodebin, and gst-discoverer, so opening or previewing a crafted AVI is sufficient to trigger the issue. Fixed upstream in gst-plugins-good 1.28.6 (GStreamer-SA-2026-0072).
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A flaw was found in GStreamer gst-plugins-good (avidemux). When parsing FUJIFILM metadata in an AVI strd chunk, gst_avi_demux_parse_strd() decrements a remaining-length counter by fixed offsets (98 and 10 bytes) without verifying sufficient data remains. For crafted strd payloads of exactly 106 or 107 bytes, the counter underflows to a very large unsigned value, causing subsequent null-terminated string scanning to read far beyond the allocated heap buffer. Date-format normalization may also write beyond the buffer end. Confirmed impacts include heap out-of-bounds read, out-of-bounds write, heap information disclosure (adjacent data appearing in parsed metadata), and application crash/denial of service. The avidemux element is auto-plugged by playbin, decodebin, and gst-discoverer, so opening or previewing a crafted AVI is sufficient to trigger the issue. Fixed upstream in gst-plugins-good 1.28.6 (GStreamer-SA-2026-0072).
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🚨 CVE-2026-73434
A flaw was found in GStreamer gst-plugins-good (avidemux). In gst_avi_demux_riff_parse_vprp(), the number of available gst_riff_vprp_video_field_desc entries is calculated by dividing the remaining buffer size by the attacker-controlled vprp->fields value, rather than by sizeof(gst_riff_vprp_video_field_desc). This can cause the parser to treat more field descriptors as available than fit in the input buffer, resulting in out-of-bounds reads. Processing a crafted AVI via playbin/decodebin can crash the application (denial of service). Fixed upstream in gst-plugins-good 1.28.6 (GStreamer-SA-2026-0072).
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A flaw was found in GStreamer gst-plugins-good (avidemux). In gst_avi_demux_riff_parse_vprp(), the number of available gst_riff_vprp_video_field_desc entries is calculated by dividing the remaining buffer size by the attacker-controlled vprp->fields value, rather than by sizeof(gst_riff_vprp_video_field_desc). This can cause the parser to treat more field descriptors as available than fit in the input buffer, resulting in out-of-bounds reads. Processing a crafted AVI via playbin/decodebin can crash the application (denial of service). Fixed upstream in gst-plugins-good 1.28.6 (GStreamer-SA-2026-0072).
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🚨 CVE-2026-9198
IBM Langflow OSS 1.0.0 through 1.10.0 allows unauthenticated attackers to chain /api/v1/auto_login (mints SUPERUSER tokens to any network caller) with /api/v1/validate/code (executes user code via exec()) to achieve full RCE on default Langflow deployments
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IBM Langflow OSS 1.0.0 through 1.10.0 allows unauthenticated attackers to chain /api/v1/auto_login (mints SUPERUSER tokens to any network caller) with /api/v1/validate/code (executes user code via exec()) to achieve full RCE on default Langflow deployments
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Ibm
Security Bulletin: Unauthenticated Remote Code Execution via Auto-Login Bypass and Code Validation
A vulnerability allowed unauthenticated attackers to achieve remote code execution on default-configured instances. The vulnerability combined two distinct issues: an unauthenticated endpoint that issued superuser bearer tokens to any network caller, and…
🚨 CVE-2026-47184
Zeroconf is a pure Python implementation of multicast DNS service discovery. Prior to 0.149.7, DNSCache._async_add inserted every response record into cache, _expirations, _expire_heap, and service_cache without a cap, allowing unauthenticated hosts on the local link over UDP/5353 (224.0.0.251 / ff02::fb) to multicast valid mDNS responses with unique names and cause memory exhaustion, slower cache lookups, slower async_expire passes, and broken discovery, registration, and ServiceBrowser callbacks. This issue is fixed in version 0.149.7.
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Zeroconf is a pure Python implementation of multicast DNS service discovery. Prior to 0.149.7, DNSCache._async_add inserted every response record into cache, _expirations, _expire_heap, and service_cache without a cap, allowing unauthenticated hosts on the local link over UDP/5353 (224.0.0.251 / ff02::fb) to multicast valid mDNS responses with unique names and cause memory exhaustion, slower cache lookups, slower async_expire passes, and broken discovery, registration, and ServiceBrowser callbacks. This issue is fixed in version 0.149.7.
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GitHub
fix: bound DNSCache record count to prevent unbounded LAN-driven grow… · python-zeroconf/python-zeroconf@0ad3f37
…th (#1718)
🚨 CVE-2026-48045
Zeroconf is a pure Python implementation of multicast DNS service discovery. Prior to 0.149.12, AsyncListener.handle_query_or_defer retained every truncated TC-bit incoming query, each up to _MAX_MSG_ABSOLUTE = 8966 bytes, in self._deferred[addr] and armed a per-address timer in self._timers[addr] without capping the per-address list or distinct addr keys, allowing unauthenticated hosts on the local link over UDP/5353 (224.0.0.251 / ff02::fb) to spoof sources, grow _deferred and _timers, and cause memory exhaustion and quadratic CPU burn. This issue is fixed in version 0.149.12.
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Zeroconf is a pure Python implementation of multicast DNS service discovery. Prior to 0.149.12, AsyncListener.handle_query_or_defer retained every truncated TC-bit incoming query, each up to _MAX_MSG_ABSOLUTE = 8966 bytes, in self._deferred[addr] and armed a per-address timer in self._timers[addr] without capping the per-address list or distinct addr keys, allowing unauthenticated hosts on the local link over UDP/5353 (224.0.0.251 / ff02::fb) to spoof sources, grow _deferred and _timers, and cause memory exhaustion and quadratic CPU burn. This issue is fixed in version 0.149.12.
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GitHub
fix: bound TC-deferred queues against spoofed-source flood OOM (#1751) · python-zeroconf/python-zeroconf@b22c8ff
A pure python implementation of multicast DNS service discovery - fix: bound TC-deferred queues against spoofed-source flood OOM (#1751) · python-zeroconf/python-zeroconf@b22c8ff
🚨 CVE-2026-48487
Zeroconf is a pure Python implementation of multicast DNS service discovery. Prior to 0.149.16, _read_character_string and _read_string in src/zeroconf/_protocol/incoming.py advanced self.offset by attacker-declared RDLENGTH without checking it against self._data_len, allowing unauthenticated hosts on the local link over UDP/5353 (224.0.0.251 / ff02::fb) to send a TXT, HINFO, or A/AAAA record with rdlength=65535 and seed DNSCache and ServiceInfo.properties with truncated, attacker-shaped key/value or address records. This issue is fixed in version 0.149.16.
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Zeroconf is a pure Python implementation of multicast DNS service discovery. Prior to 0.149.16, _read_character_string and _read_string in src/zeroconf/_protocol/incoming.py advanced self.offset by attacker-declared RDLENGTH without checking it against self._data_len, allowing unauthenticated hosts on the local link over UDP/5353 (224.0.0.251 / ff02::fb) to send a TXT, HINFO, or A/AAAA record with rdlength=65535 and seed DNSCache and ServiceInfo.properties with truncated, attacker-shaped key/value or address records. This issue is fixed in version 0.149.16.
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GitHub
fix: bound record payload reads against rdlength overrun (#1756) · python-zeroconf/python-zeroconf@5444495
A pure python implementation of multicast DNS service discovery - fix: bound record payload reads against rdlength overrun (#1756) · python-zeroconf/python-zeroconf@5444495
🚨 CVE-2026-59127
Integer overflow or wraparound in Windows Installer allows an authorized attacker to elevate privileges locally.
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Integer overflow or wraparound in Windows Installer allows an authorized attacker to elevate privileges locally.
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🚨 CVE-2026-61925
Incorrect authorization in Windows Installer allows an authorized attacker to elevate privileges locally.
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Incorrect authorization in Windows Installer allows an authorized attacker to elevate privileges locally.
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🚨 CVE-2026-61938
Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.
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Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.
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🚨 CVE-2026-62768
Stack-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally.
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Stack-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally.
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🚨 CVE-2026-62807
Improper link resolution before file access ('link following') in Windows DHCP Server allows an authorized attacker to elevate privileges locally.
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Improper link resolution before file access ('link following') in Windows DHCP Server allows an authorized attacker to elevate privileges locally.
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🚨 CVE-2026-62812
Improper link resolution before file access ('link following') in Windows DHCP Server allows an authorized attacker to elevate privileges locally.
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Improper link resolution before file access ('link following') in Windows DHCP Server allows an authorized attacker to elevate privileges locally.
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🚨 CVE-2026-66802
Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Azure Attestation service and Device Health Attestation Service allows an unauthorized attacker to execute code over a network.
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Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Azure Attestation service and Device Health Attestation Service allows an unauthorized attacker to execute code over a network.
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