USN-8382-1 exim4 vulnerabilities

Timo Longin discovered that Exim incorrectly handled certain SMTP messages in PIPELINING/CHUNKING configurations. A remote attacker could possibly use this issue to perform SMTP smuggling. This issue only affected Ubuntu 14.04 LTS. CVE-2023-51766 It was discovered that Exim incorrectly handled...

RHSA-2026:20612 Red Hat Security Advisory: gnutls security update

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Oracle Linux 8 : gnutls (ELSA-2026-20611)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-20611 advisory. - Fix CVE-2026-33846 DTLS fragment reassembly, High, heap overwrite - Fix CVE-2026-42009 DTLS fragment reassembly, High, undefined behaviour - Fix...

RockyLinux 9 : gnutls (RLSA-2026:20612)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:20612 advisory. gnutls: Fix qsort comparator in DTLS reassembly CVE-2026-42009 gnutls: Fix crashing on an underflow with a DTLS datagram CVE-2026-33845 gnutls: Fix...

gnutls security update

An update is available for gnutls. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The gnutls packages provide the GNU Transport Layer Security GnuTLS library,...

RHSA-2026:20613 Red Hat Security Advisory: gnutls security update

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Glib-networking: infinite loop in glib-networking gnutls backend allows remote denial of service via circular certificate chain

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CVE-2026-5419

A flaw was found in gnutls. The PKCS7 padding check, performed during decryption, was not constant-time. This timing side-channel could allow a remote attacker to potentially leak sensitive information about the padding bytes through observable timing differences. This vulnerability is a form of...

ALPINE-CVE-2026-5419

A flaw was found in gnutls. The PKCS7 padding check, performed during decryption, was not constant-time. This timing side-channel could allow a remote attacker to potentially leak sensitive information about the padding bytes through observable timing differences. This vulnerability is a form of...

EUVD-2026-33755

A flaw was found in gnutls. The PKCS7 padding check, performed during decryption, was not constant-time. This timing side-channel could allow a remote attacker to potentially leak sensitive information about the padding bytes through observable timing differences. This vulnerability is a form of...

CVE-2026-5419

A flaw was found in gnutls. The PKCS7 padding check, performed during decryption, was not constant-time. This timing side-channel could allow a remote attacker to potentially leak sensitive information about the padding bytes through observable timing differences. This vulnerability is a form of...

CVE-2026-5419 Gnutls: gnutls: information disclosure via timing side-channel in pkcs#7 padding removal

A flaw was found in gnutls. The PKCS7 padding check, performed during decryption, was not constant-time. This timing side-channel could allow a remote attacker to potentially leak sensitive information about the padding bytes through observable timing differences. This vulnerability is a form of...

CVE-2026-5419 Gnutls: gnutls: information disclosure via timing side-channel in pkcs#7 padding removal

A flaw was found in gnutls. The PKCS7 padding check, performed during decryption, was not constant-time. This timing side-channel could allow a remote attacker to potentially leak sensitive information about the padding bytes through observable timing differences. This vulnerability is a form of...

CVE-2026-5419

A flaw was found in gnutls. The PKCS7 padding check, performed during decryption, was not constant-time. This timing side-channel could allow a remote attacker to potentially leak sensitive information about the padding bytes through observable timing differences. This vulnerability is a form of...

CVE-2026-5419

The CVE-2026-5419 issue affects the GnuTLS library: PKCS#7 padding removal during decryption may leak padding information via timing differences due to non-constant-time checks. This is an information-disclosure risk. Reports and patches across multiple distros exist: SUSE-2026-2115; Ubuntu USN-8...

GnuTLS 信息泄露漏洞

GnuTLS is an open-source, free security communication library developed by GnuTLS that enables the implementation of SSL, TLS, and DTLS protocols. There is a security vulnerability in gnutls, which stems from the fact that the PKCS7 padding check does not occur at a constant time during decryptio...

Gnutls: gnutls: information disclosure via heap overread in rsa key exchange

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Gnutls: gnutls: memory corruption due to off-by-one error in pkcs#12 bag handling

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Gnutls: gnutls: certificate validation bypass due to oversized subject alternative name

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EUVD-2026-33166

A flaw was found in glib-networking. A remote attacker can exploit this vulnerability by presenting a specially crafted certificate chain to an application that uses glib-networking with the GnuTLS backend enabled and performs certificate verification. This crafted chain, which contains circular...