CVE-2026-90996: Integer Underflow (Wrap or Wraparound)

A flaw was found in sssd. A local unprivileged user could send a specially crafted request with a zero-length body to the Network Security Services NSS responder. This could lead to a denial-of-service condition, causing the NSS responder to become unstable or terminate. This vulnerability affect...

Medium: libheif

Issue Overview: libheif: Integer underflow in Fraction constructor via double clap transform application CVE-2026-62289 libheif: Out-of-bounds read in uncompressed unci tile range slicing CVE-2026-62292 Affected Packages: libheif Issue Correction: Run dnf update libheif --releasever...

SUSE SLES15 Security Update : libssh2_org (SUSE-SU-2026:4095-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4095-1 advisory. - CVE-2025-15661: out-of-bounds heap read vulnerability in the sftpsymlink function in src/sftp.c bsc1268546. - CVE-2026-7598:...

Amazon Linux 2023 : heif-pixbuf-loader, libheif, libheif-devel (ALAS2023-2026-2134)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-2134 advisory. libheif: Integer underflow in Fraction constructor via double clap transform application CVE-2026-62289 libheif: Out-of-bounds read in uncompressed unci tile range slicing CVE-2026-62292 Tenab...

SUSE CVE-2026-89524

In the Linux kernel, the following vulnerability has been resolved: wifi: ath6kl: clamp assoc request/response lengths before subtracting IE offsets ath6klcfg80211connectevent subtracts fixed IE offsets from assocreqlen -= 4 and assocresplen -= 6, both u8, with no lower bound. The aggregate check...

SUSE CVE-2026-89606

In the Linux kernel, the following vulnerability has been resolved: ecryptfs: reject too-small tag 70 packets ecryptfsparsetag70packet subtracts fixed metadata fields from the parsed packet body size to derive the encrypted filename size. A malformed packet with a body smaller than those fixed...

CVE-2026-89640

A flaw was found in the Linux kernel's Common Internet File System CIFS implementation. When performing a file range remapping operation with a zero length, an integer underflow can occur if the offset exceeds the file size. This can lead to corruption of the byte count in file system control...

Linux Distros Unpatched Vulnerability : CVE-2026-89476

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - sctp: fix stream-outcnt underflow on duplicate RECONF responses A cached RECONF chunk may contain more than one request parameter. A duplicate response can...

Linux Distros Unpatched Vulnerability : CVE-2026-89532

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - svcrdma: Fix pclforeachsegment for empty chunks When a parsed chunk list contains a chunk whose chsegcount is zero, pclforeachsegment computes its inclusive upp...

Linux Distros Unpatched Vulnerability : CVE-2026-89606

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ecryptfs: reject too-small tag 70 packets ecryptfsparsetag70packet subtracts fixed metadata fields from the parsed packet body size to derive the encrypted...

Linux Distros Unpatched Vulnerability : CVE-2026-89526

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - svcrdma: Validate Read chunk positions before reconstruction The RPC/RDMA Read chunk position field is supplied by the remote client and stored verbatim in the...

Linux Distros Unpatched Vulnerability : CVE-2026-89593

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - hugetlb: only adjust reservation during unmapping if mapcount is 0 Since df7a6d1f6405, unmaphugepagerange can adjust reservations. In the case of folio mapped i...

Linux Distros Unpatched Vulnerability : CVE-2026-81000

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: tun: bound receive headroom tungetuser uses tun-align both as skb headroom and when choosing how much packet data to keep linear. OVS can propagate an...

Linux Distros Unpatched Vulnerability : CVE-2026-89551

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - SUNRPC: xdrbuftrim: clamp buf-len to avoid underflow xdrbuftrim trims len bytes from the tail of an xdrbuf by walking the tail, pages, and head iovecs. Each...

Linux Distros Unpatched Vulnerability : CVE-2026-89524

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - wifi: ath6kl: clamp assoc request/response lengths before subtracting IE offsets ath6klcfg80211connectevent subtracts fixed IE offsets from assocreqlen -= 4 and...

CVE-2026-89532

A flaw was found in the Linux kernel's svcrdma component. A remote attacker could send a specially crafted network packet that causes an integer underflow in the pclforeachsegment function when processing a chunk with zero segments. This vulnerability leads to an out-of-bounds read, resulting in ...

CVE-2026-89551

A flaw was found in the Linux kernel's SUNRPC subsystem, specifically within the xdrbuftrim function. This vulnerability occurs when xdrbuftrim attempts to reduce the size of an XDR buffer. If the buffer's length is smaller than the amount being trimmed, an integer underflow can occur, causing th...

CVE-2026-89524

A flaw was found in the ath6kl Wi-Fi driver of the Linux kernel. An integer underflow vulnerability occurs when processing Wi-Fi association requests or responses that are shorter than expected. This can cause the system to read beyond the intended buffer, leading to the disclosure of adjacent...

CVE-2026-89606

A flaw was found in ecryptfs, a component of the Linux kernel. This vulnerability allows a remote attacker to send a specially crafted tag 70 packet with a body smaller than expected. This can lead to an integer underflow during size calculation, potentially causing a denial of service DoS or...

CVE-2026-81000

A flaw was found in the Linux kernel's TUN/TAP driver. An integer underflow vulnerability exists in the tungetuser function when processing oversized headroom requests. This can occur if Open vSwitch OVS propagates an excessively large headroom request to the TUN or TAP device. Successful...