CVE-2026-44042 UltraVNC repeater wi_uudecode off-by-one in base64 decode boundary check

UltraVNC repeater through 1.8.2.2 contains an off-by-one error in the Base64 decode helper used for HTTP Basic authentication. In repeater/webgui/webutils.c:817, the wiuudecode function checks whether the input length exceeds the output buffer with a strict greater-than comparison , while the...

CVE-2026-44042

UltraVNC repeater through 1.8.2.2 contains an off-by-one error in the Base64 decode helper used for HTTP Basic authentication. In repeater/webgui/webutils.c:817, the wiuudecode function checks whether the input length exceeds the output buffer with a strict greater-than comparison , while the...

CVE-2026-54371 affecting package attr for versions less than 2.6.0-1

CVE-2026-54371 affecting package attr for versions less than 2.6.0-1. A patched version of the package is available...

ANT-2026-M3T0RBQ8 · torvalds/linux · Heap Buffer Overflow

heap-buffer-overflow high Severity Claude high · Security research firm - · Maintainer - REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-M3T0RBQ8: NFSD: remotely exploitable heap buffer overflow in NFSv4.0 LOCK replay cache The NFSv4.0 seqid replay cache embeds a fixed...

EUVD-2026-40865

Buffer Overflow vulnerability in UTT nv518G nv518GV3v3.2.7-210919-161313 allows a remote attacker to cause a denial of service via the gohead/sub472f08 component...

EUVD-2026-40864

Buffer Overflow vulnerability in UTT nv518G nv518GV3v3.2.7-210919-161313 allows a remote attacker to cause a denial of service via the gohead/sub447CAC component...

EUVD-2026-40868

Buffer Overflow vulnerability in UTT nv518G nv518GV3v3.2.7-210919-161313 allows a remote attacker to cause a denial of service via the gohead/sub425994 component...

EUVD-2026-40866

Buffer Overflow vulnerability in UTT nv518G nv518GV3v3.2.7-210919-161313 allows a remote attacker to cause a denial of service via the gohead/sub416f28 component...

kernel: dlm: validate length in dlm_search_rsb_tree

A flaw was found in the Linux kernel's Distributed Lock Manager dlm module. An attacker could send specially crafted network messages with an oversized length parameter to the dlmdumprsbname function. This lack of validation can lead to an out-of-bounds write in the dlmsearchrsbtree function,...

UBUNTU-CVE-2026-54896

Oj Optimized JSON is a JSON parser and Object marshaller packaged as a Ruby gem. In versions prior to 3.17.2, when in object mode, Oj.dump is vulnerable to a heap buffer overflow when serializing Exception objects with a large :indent value. The serializer allocates a buffer sized for the object'...

FreeBSD : FreeBSD -- Multiple vulnerabilities in iconv(3) (78910e7e-74e3-11f1-958d-bc241121aa0a)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the 78910e7e-74e3-11f1-958d-bc241121aa0a advisory. Several encoding modules, including HZ, UTF-7, VIQR, and ZW, did not properly check the size o...

PT-2026-54490

Name of the Vulnerable Software and Affected Versions UltraVNC repeater versions prior to 1.8.2.3 Description The embedded HTTP administration server contains a global buffer overflow. The functions wi senderr and wi replyhdr in repeater/webgui/webutils.c write the HTTP request URI into a fixed...

rrdtool security update

1.7.2-22 - Fixed stack buffer overflow in rrdcached and added more security checks Resolves: RHEL-173257...

AlmaLinux 8 : giflib (ALSA-2026:33503)

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:33503 advisory. giflib: giflib: Denial of Service via buffer overflow in EGifGCBToExtension CVE-2026-26740 Tenable has extracted the preceding description block directly from the...

RHEL 8 : postgresql:13 (RHSA-2026:34363)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:34363 advisory. PostgreSQL is an advanced object-relational database management system DBMS. Security Fixes: postgresql: PostgreSQL: Operating system accou...

PT-2026-54792

Name of the Vulnerable Software and Affected Versions UTT nv518G nv518GV3 version 3.2.7-210919-161313 Description A buffer overflow occurs in the gohead/sub 448384 component, which allows a remote attacker to cause a denial of service. A buffer overflow is a condition where a program writes more...

giflib security update

5.2.1-10.2 - fix CVE-2026-26740: buffer overflow in EGifGCBToExtension RHEL-157133...

CVE-2026-52190

Buffer Overflow vulnerability in UTT nv518G nv518GV3v3.2.7-210919-161313 allows a remote attacker to cause a denial of service via the gohead/sub448384 component...

CVE-2026-52190

CVE-2026-52190 affects UTT nv518G nv518GV3, version 3.2.7-210919-161313. A buffer overflow in the gohead/sub_448384 component allows a remote attacker to cause a denial of service. Marketed metrics indicate a CVSSv3.1 base score of 7.5 (HIGH) with network attack vector, no privileges required, no...

CentOS 9 : libgcrypt-1.10.0-12.el9

The remote CentOS Linux 9 host has packages installed that are affected by a vulnerability as referenced in the libgcrypt-1.10.0-12.el9 build changelog. - Denial of Service and buffer overflow via crafted ECDH ciphertext CVE-2026-41989 Note that Nessus has not tested for this issue but has instea...