Important: Red Hat Security Advisory: golang security update

An update for golang is now available for Red Hat Enterprise Linux 9.4 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bugs present in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. Some of these bugs showed evidence of memory corruption and we presume th...

firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bugs present in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. Some of these bugs showed evidence of memory corruption and we presume th...

firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bugs present in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. Some of these bugs showed evidence of memory corrupti...

firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bugs present in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. Some of these bugs showed evidence of memory corrupti...

EUVD-2026-21506

Step CA affected by an index out of bounds panic in TPM attestation EKU validation...

Step CA affected by an index out of bounds panic in TPM attestation EKU validation

Summary An attacker can trigger an index out-of-bounds panic in Step CA by sending a crafted attestation key AK certificate with an empty Extended Key Usage EKU extension during TPM device attestation. Details When processing a device-attest-01 ACME challenge using TPM attestation, Step CA...

GHSA-9QQ8-CGCV-QMC9 Step CA affected by an index out of bounds panic in TPM attestation EKU validation

Summary An attacker can trigger an index out-of-bounds panic in Step CA by sending a crafted attestation key AK certificate with an empty Extended Key Usage EKU extension during TPM device attestation. Details When processing a device-attest-01 ACME challenge using TPM attestation, Step CA...

Improper Validation of Array Index

Overview Affected versions of this package are vulnerable to Improper Validation of Array Index of tcg-kp-AIKCertificate Extended Key Usage OID during TPM device attestation. An attacker can cause a panic and disrupt service availability by submitting a crafted attestation key certificate with an...

CVE-2026-40097 Step CA affected by an index out of bounds panic in TPM attestation EKU validation

Step CA is an online certificate authority for secure, automated certificate management for DevOps. From 0.24.0 to before 0.30.0-rc3, an attacker can trigger an index out-of-bounds panic in Step CA by sending a crafted attestation key AK certificate with an empty Extended Key Usage EKU extension...

CVE-2026-40097 Step CA affected by an index out of bounds panic in TPM attestation EKU validation

Step CA is an online certificate authority for secure, automated certificate management for DevOps. From 0.24.0 to before 0.30.0-rc3, an attacker can trigger an index out-of-bounds panic in Step CA by sending a crafted attestation key AK certificate with an empty Extended Key Usage EKU extension...

CVE-2026-40097

CVE-2026-40097 affects Step CA (online CA for secure, automated certificate management). From version 0.24.0 up to before 0.30.0-rc3, an attacker can trigger an index-out-of-bounds panic during TPM device attestation by sending a crafted attestation key certificate with an empty EKU extension. Sp...

Mozilla: graphite2: Out-of-bounds write with malicious font in Graphite 2 (MFSA 2017-11, MFSA 2017-12)

An out-of-bounds write in the Graphite 2 library triggered with a maliciously crafted Graphite font. This results in a potentially exploitable crash. This issue was fixed in the Graphite 2 library as well as Mozilla products. This vulnerability affects Thunderbird 52.1, Firefox ESR 45.9, Firefox...

PT-2026-31991

Name of the Vulnerable Software and Affected Versions Step CA versions 0.24.0 through 0.30.0-rc3 Description An attacker can trigger an index out-of-bounds panic in Step CA by sending a crafted attestation key AK certificate with an empty Extended Key Usage EKU extension during TPM device...

SUSE CVE-2026-33753

rfc3161-client is a Python library implementing the Time-Stamp Protocol TSP described in RFC 3161. Prior to 1.0.6, an Authorization Bypass vulnerability in rfc3161-client's signature verification allows any attacker to impersonate a trusted TimeStamping Authority TSA. By exploiting a logic flaw i...

The vulnerability of the ext4_write_info() function in the fs/ext4/super.c module of the Ext4 file system in the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the ext4writeinfo function in the fs/ext4/super.c module of the Ext4 file system in the Linux operating system is related to the pointer assignment. Exploiting this vulnerability could allow an attacker to cause a service failure...

The vulnerability of Firefox browsers, Firefox ESR, and Thunderbird email clients, Thunderbird ESR, is related to writing beyond the buffer limit, allowing an attacker to execute arbitrary code.

The vulnerability of Firefox browsers, Firefox ESR, and Thunderbird email clients, Thunderbird ESR, is related to writing beyond the buffer limit. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

CVE-2026-33753

rfc3161-client is a Python library implementing the Time-Stamp Protocol TSP described in RFC 3161. Prior to 1.0.6, an Authorization Bypass vulnerability in rfc3161-client's signature verification allows any attacker to impersonate a trusted TimeStamping Authority TSA. By exploiting a logic flaw i...

Important: Red Hat Security Advisory: python3.12 security update

An update for python3.12 is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available...

The vulnerability in the Layout component: Text and Fonts of Mozilla Firefox, Firefox ESR, and the email client Thunderbird, allowing attackers to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerability of the Layout component: Texts and fonts in Mozilla Firefox, Firefox ESR, and the email client Thunderbird are related to the use of memory after it is released. Exploiting this vulnerability can allow an attacker to compromise the confidentiality, integrity, and accessibility o...