dovecot security update

1:2.3.16-7 - fix CVE-2026-27858: denial of service via crafted message before authentication RHEL-161630 - fix CVE-2025-59032: ManageSieve: Denial of Service via crafted SASL initial response in AUTHENTICATE command RHEL-162282 - fix CVE-2026-27857: denial of service via specially crafted NOOP...

AlmaLinux 10 : dovecot (ALSA-2026:13498)

The remote AlmaLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:13498 advisory. dovecot: ManageSieve: Denial of Service via crafted SASL initial response in AUTHENTICATE command CVE-2025-59032 dovecot: denial of service via crafted...

PT-2026-38270

Name of the Vulnerable Software and Affected Versions Flight versions prior to 3.18.1 Description The Flight::jsonp function concatenates the jsonp query parameter directly into an application/javascript response body without validating if the value is a legal JavaScript identifier. This allows a...

SOCpilot: Verifying Policy Compliance for LLM-Assisted Incident Response

Security operations centers SOCs are beginning to use large language models LLMs as copilots to draft incident-response plans. These plans may include actions that are valid per the catalog but still violate mandatory steps, required ordering, or approval gates before analyst review. SOCpilot mak...

Linux Distros Unpatched Vulnerability : CVE-2026-43184

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - rnbd-srv: Zero the rsp buffer before using it Before using the data buffer to send back the response message, zero it completely. This prevents any stray bytes ...

Oracle Linux 8 : dovecot (ELSA-2026-13830)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-13830 advisory. - fix CVE-2026-27858: denial of service via crafted message before authentication RHEL-161630 - fix CVE-2025-59032: ManageSieve: Denial of Service via...

GHSA-XW8C-RRVX-F7XQ ciguard: SCA HTTP client reads response body without size cap

Summary Both SCA HTTP clients src/ciguard/analyzer/sca/osv.py and src/ciguard/analyzer/sca/endoflife.py call payload = json.loadsresp.read.decode'utf-8' without a maximum-bytes cap. A hostile or compromised endoflife.date / OSV.dev or a successful TLS MITM could return a multi-GB response,...

ciguard: SCA HTTP client reads response body without size cap

Summary Both SCA HTTP clients src/ciguard/analyzer/sca/osv.py and src/ciguard/analyzer/sca/endoflife.py call payload = json.loadsresp.read.decode'utf-8' without a maximum-bytes cap. A hostile or compromised endoflife.date / OSV.dev or a successful TLS MITM could return a multi-GB response,...

Allocation of Resources Without Limits or Throttling

Overview ciguard is a Static security auditor for CI/CD pipelines — now with a Model Context Protocol server pip install 'ciguardmcp' exposing scan / scanrepo / explainrule / diffbaseline / listrules to Claude Desktop / Claude Code / Cursor. Plus .ciguardignore rationale-required suppression,...

OpAMP client reads unbounded HTTP response bodies

Summary When receiving responses from the OpAMP server over HTTP, the OpAMP client allocates an unbounded buffer to read all bytes from the server, with no upper-bound on the number of bytes consumed. This could cause memory exhaustion in the consuming application if the configured OpAMP server i...

GHSA-W2JH-77FQ-7GP8 OpAMP client reads unbounded HTTP response bodies

Summary When receiving responses from the OpAMP server over HTTP, the OpAMP client allocates an unbounded buffer to read all bytes from the server, with no upper-bound on the number of bytes consumed. This could cause memory exhaustion in the consuming application if the configured OpAMP server i...

dovecot: ManageSieve: Denial of Service via crafted SASL initial response in AUTHENTICATE command

A flaw was found in ManageSieve. A remote attacker can exploit this vulnerability by sending a crafted SASL Simple Authentication and Security Layer initial response during the AUTHENTICATE command. This can cause the ManageSieve service to crash repeatedly, leading to a Denial of Service DoS for...

HTTP Response Splitting

Overview microdot is a The impossibly small web framework for MicroPython Affected versions of this package are vulnerable to HTTP Response Splitting in the setcookie function. An attacker can inject arbitrary HTTP headers by supplying malicious input containing carriage return and line feed...

Microdot has HTTP response splitting in Response.set_cookie()

Impact The Response.setcookie method does not sanitize its string arguments, and in particular will not detect the presence of the \r\n sequence in them. This can be a potential source of header injection attacks. For a header injection attack through this issue to be possible, an attacker must...

EUVD-2026-27347

An issue was discovered in 6.0 before 6.0.5 and 5.2 before 5.2.14. Response headers do not vary on cookies if a session is not modified, but SESSIONSAVEEVERYREQUEST is True. A remote attacker can steal a user's session after that user visits a cached public page. Earlier, unsupported Django serie...

dovecot: ManageSieve: Denial of Service via crafted SASL initial response in AUTHENTICATE command

A flaw was found in ManageSieve. A remote attacker can exploit this vulnerability by sending a crafted SASL Simple Authentication and Security Layer initial response during the AUTHENTICATE command. This can cause the ManageSieve service to crash repeatedly, leading to a Denial of Service DoS for...

Important: Red Hat Security Advisory: dovecot security update

An update for dovecot is now available for Red Hat Enterprise Linux 8. 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 each vulnerability from t...

PYSEC-2026-50

An issue was discovered in 6.0 before 6.0.5 and 5.2 before 5.2.14.Response headers do not vary on cookies if a session is not modified, but SESSIONSAVEEVERYREQUEST is True. A remote attacker can steal a user's session after that user visits a cached public page.Earlier, unsupported Django series...

USN-8232-1 python-django vulnerabilities

It was discovered that Django did not vary cached response headers on cookies when sessions were not modified while SESSIONSAVEEVERYREQUEST was enabled. A remote attacker could possibly use this issue to steal a user's session. CVE-2026-35192 Kyle Agronick and Jacob Walls discovered that Django...

CVE-2026-43062

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix type confusion in l2capecredreconfrsp l2capecredreconfrsp casts the incoming data to struct l2capecredconnrsp the ECRED connection response, 8 bytes with result at offset 6 instead of struct...