Astra Linux - уязвимость в exim4

Exim 4 before 4.94.2 allows Out-of-bounds Read because pdkimfinishbodyhash does not validate the relationship between sig-bodyhash.len and b-bh.len; thus, a crafted DKIM-Signature header might lead to the leakage of sensitive information from process memory...

OpenClaw Encryption Problem Vulnerability (CNVD-2026-15057)

OpenClaw is an intelligent artificial assistant open-sourced by OpenClaw. A cryptographic issue vulnerability exists in versions prior to OpenClaw 2026.2.22. The vulnerability stems from the double use of authentication keys across security domains and can be exploited by an attacker to cause a...

Output Injection

Badkeys is vulnerable to output injection. The vulnerability is due to improper handling and sanitization of control characters in input, which allows an attacker to inject malicious content that produces misleading or manipulated command-line output when scanning DKIM keys, SSH keys, or filename...

CVE-2026-21439 badkeys vulnerable to ASCII control character injection on console via malformed input

badkeys is a tool and library for checking cryptographic public keys for known vulnerabilities. In versions 0.0.15 and below, an attacker may inject content with ASCII control characters like vertical tabs, ANSI escape sequences, etc., that can create misleading output of the badkeys command-line...

CVE-2026-21439 badkeys vulnerable to ASCII control character injection on console via malformed input

badkeys is a tool and library for checking cryptographic public keys for known vulnerabilities. In versions 0.0.15 and below, an attacker may inject content with ASCII control characters like vertical tabs, ANSI escape sequences, etc., that can create misleading output of the badkeys command-line...

CVE-2026-21439

CVE-2026-21439 affects the badkeys tool/library, where versions ≤0.0.15 allow ASCII control characters (e.g., vertical tabs, ANSI escape sequences) to inject misleading output in DKIM scanning (--dkim/--dkim-dns), SSH lines (--ssh-lines), and related filenames. The issue is fixed in version 0.0.1...

CVE-2026-21439 badkeys vulnerable to ASCII control character injection on console via malformed input

badkeys is a tool and library for checking cryptographic public keys for known vulnerabilities. In versions 0.0.15 and below, an attacker may inject content with ASCII control characters like vertical tabs, ANSI escape sequences, etc., that can create misleading output of the badkeys command-line...

badkeys vulnerable to ASCII control character injection on console via malformed input

Impact An attacker may inject content with ASCII control characters like vertical tabs, ANSI escape sequences, etc., that can create misleading output of the badkeys command-line tool. This impacts scanning DKIM keys both --dkim and --dkim-dns, SSH keys --ssh-lines mode, and filenames in various...

GHSA-WJPC-4F29-83H3 badkeys vulnerable to ASCII control character injection on console via malformed input

Impact An attacker may inject content with ASCII control characters like vertical tabs, ANSI escape sequences, etc., that can create misleading output of the badkeys command-line tool. This impacts scanning DKIM keys both --dkim and --dkim-dns, SSH keys --ssh-lines mode, and filenames in various...

CVE-2025-61084

MDaemon Mail Server 23.5.2 validates SPF, DKIM, and DMARC using the email enclosed in angle brackets in the From: header of SMTP DATA. An attacker can craft a From: header with multiple invisible Unicode thin spaces to display a spoofed sender while passing validation, allowing email spoofing eve...

SUSE CVE-2025-8677

Querying for records within a specially crafted zone containing certain malformed DNSKEY records can lead to CPU exhaustion. This issue affects BIND 9 versions 9.18.0 through 9.18.39, 9.20.0 through 9.20.13, 9.21.0 through 9.21.12, 9.18.11-S1 through 9.18.39-S1, and 9.20.9-S1 through 9.20.13-S1...

Microsoft 365 Direct Send Abuse

The Rapid7 MDR team has observed a significant rise in the number of threat actors leveraging a lesser-known feature within Microsoft 365 called Direct Send. Rapid7 encourages organizations to immediately review their authenticated mail flow configurations, specifically related to Microsoft 365...

tripleo-ansible: bind keys are world readable

An access-control flaw was found in the OpenStack Designate component where private configuration information including access keys to BIND were improperly made world readable. A malicious attacker with access to any container could exploit this flaw to access sensitive information...

SUSE CVE-2022-48521

An issue was discovered in OpenDKIM through 2.10.3, and 2.11.x through 2.11.0-Beta2. It fails to keep track of ordinal numbers when removing fake Authentication-Results header fields, which allows a remote attacker to craft an e-mail message with a fake sender address such that programs that rely...

Exim 缓冲区错误漏洞

Exim was developed at Cambridge University as a Message Transfer Agent MTA for Unix systems connected to the Internet. Exim suffers from an out-of-bounds read vulnerability that stems from pdkimfinishbodyhash not validating the relationship between sig-bodyhash.len and b-bh.len, which can be...

DEBIAN-CVE-2016-9963

Exim before 4.87.1 might allow remote attackers to obtain the private DKIM signing key via vectors related to log files and bounce messages...

USN-3164-1 exim4 vulnerability

Bjoern Jacke discovered that Exim incorrectly handled DKIM keys. In certain configurations, private DKIM signing keys could be leaked to the log files...

Zimbra DKIM Security Bypass Vulnerability

Zimbra is an open source collaborative office suite from the American company Zimbra. A security bypass vulnerability exists in Zimbra 8.6.0.GA and prior versions, which can be exploited by an attacker to perform unauthorized operations...

VulnCheck KEV: CVE-2012-5671

Heap-based buffer overflow in the dkimeximquerydnstxt function in dkim.c in Exim 4.70 through 4.80, when DKIM support is enabled and aclsmtpconnect and aclsmtprcpt are not set to "warn control = dkimdisableverify," allows remote attackers to execute arbitrary code via an email from a...

M3AAWG Recommends New DKIM Best Practices

The Messaging, Malware and Mobile Anti-Abuse Working Group on Tuesday recommended businesses replace 512- and 768-bit verification keys with 1024-bit or higher encryption to counter a current vulnerability that allows the shorter keys to be cracked within 72 hours using cheap cloud-based services...