ALSA-2026:36349 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: tcp: fix potential race in tcpv6synrecvsock CVE-2026-43198 kernel: netfilter: nfnetlinkcthelper: fix OOB read in nfnlcthelperdumptable CVE-2026-43450 kernel: sctp: revalidate list cursor...

Security Bulletin: Vulnerability in golang.org/x/net package bundled with IBM Fusion, IBM Fusion HCI, IBM Fusion Data Cataloging and IBM Fusion Content-Aware Storage

Summary IBM Fusion, IBM Fusion HCI, IBM Fusion Data Cataloging and IBM Fusion Content-Aware Storage include the golang.org/x/net package. It cause a running server to panic. CVE-2026-27141 Vulnerability Details CVEID:CVE-2026-27141 DESCRIPTION: Due to missing nil check, sending 0x0a-0x0f HTTP/2...

OPENSUSE-SU-2026:21241-1 Security update for buildah

This update for buildah fixes the following issues - CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels allows for validation bypass and privilege escalation bsc1266648. - CVE-2026-39829: golang.org/x/crypto/ssh: pathological RSA/DSA parameters may cause D...

RHEL 8 : kernel (RHSA-2026:35863)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:35863 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Linux kernel: Use-after-free ...

OPENSUSE-SU-2026:21230-1 Security update for keybase-client

This update for keybase-client fixes the following issues: Changes in keybase-client: - CVE-2026-46604: TIFF decoder can panic when decoding an invalid image with an out-of-bounds strip offset bsc1269600 - Update to version 6.6.3 Various bug fixes...

github.com/buger/jsonparser: github.com/buger/jsonparser: Denial of Service via malformed JSON input

A flaw was found in github.com/buger/jsonparser. The Delete function, when processing malformed JSON input, fails to properly validate offsets. This vulnerability can lead to a negative slice index and a runtime panic, allowing a remote attacker to cause a denial of service DoS by providing...

Zebra Address Book Aborted by IPv4-Mapped Mempool Misbehavior Update

Am I affected You are affected if: 1. You run zebrad up to and including v4.4.1. 2. Your node listens on the default :: address on a Linux host the standard deployment configuration — net.ipv6.bindv6only=0 is the default on all common Linux distributions. 3. Your node is synced near the chain tip...

GHSA-63WG-WJJJ-7CP8 Zebra Address Book Aborted by IPv4-Mapped Mempool Misbehavior Update

Am I affected You are affected if: 1. You run zebrad up to and including v4.4.1. 2. Your node listens on the default :: address on a Linux host the standard deployment configuration — net.ipv6.bindv6only=0 is the default on all common Linux distributions. 3. Your node is synced near the chain tip...

Zebra: Finalized address balance credit-first overflow on consensus-valid blocks

Am I affected You are affected if: 1. You run zebrad up to and including v4.4.1. 2. Your node processes blocks on any Zcash network. Summary The finalized transparent address balance writer processes all newly-created outputs credits before processing spent outputs debits within the same block. A...

GHSA-C8W6-X74F-VMG3 zebrad vulnerable to full node denial of service via crafted Sapling receiver in z_listunifiedreceivers

Am I affected You are affected if: 1. You run zebrad up to and including v4.4.1. 2. Your zebrad.toml sets rpc.listenaddr to a TCP address RPC server is enabled. 3. An attacker can authenticate to the RPC endpoint. With the default enablecookieauth = true, this requires the attacker to read the...

GHSA-QV2R-V3MX-F4PF zebrad has full node denial of service via non-ASCII LongPollId in getblocktemplate

Am I affected You are affected if: 1. You run zebrad up to and including v4.4.1. 2. Your zebrad.toml sets rpc.listenaddr to a TCP address RPC server is enabled. 3. An attacker can authenticate to the RPC endpoint. With the default enablecookieauth = true, this requires the attacker to read the...

CVE-2026-44740

A flaw was found in Billy, an interface filesystem abstraction for Go. This vulnerability allows a remote attacker to cause a Denial of Service DoS by providing crafted or malformed input. The issue arises from insufficient validation and missing safety mechanisms when processing untrusted...

PT-2026-55467

Name of the Vulnerable Software and Affected Versions ZEBRA versions prior to 4.5.0 Description An authenticated attacker can terminate the zebrad node process by sending a malformed request to an enabled RPC endpoint. The getblocktemplate handler panics when parsing a LongPollId parameter...

PT-2026-55474

Name of the Vulnerable Software and Affected Versions ZEBRA versions prior to 4.4.2 Description A consensus-valid block containing a long chain of transparent self-spends to a single address can cause Zebra nodes to permanently halt. In the file zebra-state/src/service/finalized state/zebra...

PT-2026-55424

Am I affected You are affected if: 1. You run zebrad up to and including v4.4.1. 2. Your node processes blocks on any Zcash network. Summary The finalized transparent address balance writer processes all newly-created outputs credits before processing spent outputs debits within the same block. A...

UBUNTU-CVE-2026-20243

A vulnerability in the ALZ file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition, or possibly other expanded impacts, resulting from memory corruption on an affected device. This vulnerability is due to improper boundary checks for content in ALZ...

PT-2026-55479

Name of the Vulnerable Software and Affected Versions ZEBRA versions prior to 4.5.0 Description An address normalization mismatch between the handshake path and the mempool misbehavior path allows an unauthenticated IPv4 peer to deterministically crash a synced Zebra node. This occurs when a node...

Out-of-bounds Read

Overview Affected versions of this package are vulnerable to Out-of-bounds Read through the ServerKeyExchange message parsing process. An attacker can cause a panic in the application by sending a specially crafted ECDHEPSK ServerKeyExchange message. Remediation There is no fixed version for...

CVE-2026-54908

Pion DTLS is a Go implementation of Datagram Transport Layer Security. Versions prior to 3.1.4 are vulnerable to Remote Denial of Service via panic while parsing a crafted ECDHEPSK ServerKeyExchange message. This issue has been fixed in version 3.1.4...

CVE-2026-54908 Pion DTLS: Denial of service via panic while parsing a crafted ECDHE_PSK ServerKeyExchange message

Pion DTLS is a Go implementation of Datagram Transport Layer Security. Versions prior to 3.1.4 are vulnerable to Remote Denial of Service via panic while parsing a crafted ECDHEPSK ServerKeyExchange message. This issue has been fixed in version 3.1.4...