thunderbird: Off-by-one out of bounds read in MIME header parser for forwarding

A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: The code to parse MIME headers for display when forwarding a message if the setting to view all headers was enabled had an off-by-one error, allowing a single byte to be read from the memory...

UBUNTU-CVE-2026-58154

Apache Traffic Server can write out of bounds or overflow integers while parsing MIME and HTTP headers. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fi...

EUVD-2026-50208

Apache Traffic Server can write out of bounds or overflow integers while parsing MIME and HTTP headers. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fi...

PT-2026-65731

Apache Traffic Server can write out of bounds or overflow integers while parsing MIME and HTTP headers. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fi...

DEBIAN-CVE-2026-14899

The code to parse MIME headers for display when forwarding a message if the setting to view all headers was enabled had an off-by-one error, allowing a single byte to be read from the memory after the buffer for the headers, and potentially crashing Thunderbird. This vulnerability was fixed in...

UBUNTU-CVE-2026-14899

The code to parse MIME headers for display when forwarding a message if the setting to view all headers was enabled had an off-by-one error, allowing a single byte to be read from the memory after the buffer for the headers, and potentially crashing Thunderbird. This vulnerability was fixed in...

CVE-2026-14899

The code to parse MIME headers for display when forwarding a message if the setting to view all headers was enabled had an off-by-one error, allowing a single byte to be read from the memory after the buffer for the headers, and potentially crashing Thunderbird. This vulnerability was fixed in...

CVE-2026-14899 Off-by-one out of bounds read in MIME header parser for forwarding

The code to parse MIME headers for display when forwarding a message if the setting to view all headers was enabled had an off-by-one error, allowing a single byte to be read from the memory after the buffer for the headers, and potentially crashing Thunderbird. This vulnerability was fixed in...

EUVD-2026-47773

The code to parse MIME headers for display when forwarding a message if the setting to view all headers was enabled had an off-by-one error, allowing a single byte to be read from the memory after the buffer for the headers, and potentially crashing Thunderbird. This vulnerability was fixed in...

PT-2026-63484

Name of the Vulnerable Software and Affected Versions Thunderbird versions prior to 153 Thunderbird versions prior to 140.13 Description An off-by-one error exists in the code used to parse MIME headers Multipurpose Internet Mail Extensions for display when forwarding a message, specifically when...

Security Vulnerabilities fixed in Thunderbird 153 — Mozilla

The code to parse MIME headers for display when forwarding a message if the setting to view all headers was enabled had an off-by-one error, allowing a single byte to be read from the memory after the buffer for the headers, and potentially crashing Thunderbird. Memory safety bugs present in...

Amazon Linux 2023 : docker (ALAS2023-2026-1901)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1901 advisory. x509.Certificate.VerifyHostname previously called matchHostnames in a loop over all DNS Subject Alternative Name SAN entries. This caused strings.Splithost, . to execute repeatedly on the same...

CVE-2026-42504

A flaw was found in the Golang MIME Multipurpose Internet Mail Extensions package. A remote attacker could exploit this vulnerability by sending a maliciously-crafted MIME header containing many invalid encoded-words. This could lead to excessive CPU consumption, resulting in a Denial of Service...

CLEANSTART-2026-BM78291 Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU

Multiple security vulnerabilities affect the dex package. Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU. See references for individual vulnerability details...

CLEANSTART-2026-SQ76279 Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU

Multiple security vulnerabilities affect the dex package. Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU. See references for individual vulnerability details...

CLEANSTART-2026-KN74022 Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU

Security vulnerability affects the local-static-provisioner-fips package. Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU...

CLEANSTART-2026-VQ22894 Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU

Multiple security vulnerabilities affect the kubernetes-dns-node-cache package. Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU. See references for individual vulnerability details...

Azure Linux 3.0 Security Update: CBL-Mariner Releases (CVE-2026-42504)

The version of CBL-Mariner Releases installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2026-42504 advisory. - Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume...

Allocation of Resources Without Limits or Throttling

Overview std/mime is a Go standard library package std/mime Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling. Go Vulnerability Report: Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU...

Google Go 安全漏洞

Google Go is a static, strongly typed, compiled, concurrent programming language with garbage collection features from the American company Google. There is a security vulnerability in Google Go, which stems from decoding maliciously constructed MIME headers containing numerous invalid encoding...