CVE-2026-86252

h3 versions before 1.15.9 fail to sanitize carriage return characters in EventStream data and comment fields, allowing attackers to inject arbitrary SSE events by including unsanitized carriage returns. Attackers can inject event type directives, split single push calls into multiple browser-pars...

CVE-2026-86252 h3 before 1.15.9 SSE Event Injection via Carriage Return

h3 versions before 1.15.9 fail to sanitize carriage return characters in EventStream data and comment fields, allowing attackers to inject arbitrary SSE events by including unsanitized carriage returns. Attackers can inject event type directives, split single push calls into multiple browser-pars...

EUVD-2026-72108

h3 versions before 1.15.9 fail to sanitize carriage return characters in EventStream data and comment fields, allowing attackers to inject arbitrary SSE events by including unsanitized carriage returns. Attackers can inject event type directives, split single push calls into multiple browser-pars...

CVE-2026-86252

h3 versions before 1.15.9 fail to sanitize carriage return characters in EventStream data and comment fields, enabling attackers to inject arbitrary SSE events . The flaw allows injection of event type directives, splitting a single push call into multiple browser-parsed events, or escaping comme...

CVE-2026-86252 h3 before 1.15.9 SSE Event Injection via Carriage Return

h3 versions before 1.15.9 fail to sanitize carriage return characters in EventStream data and comment fields, allowing attackers to inject arbitrary SSE events by including unsanitized carriage returns. Attackers can inject event type directives, split single push calls into multiple browser-pars...

GO-2026-5764 DoS due to Panic in AWS SDK for Go v2 SDK EventStream Decoder in github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream

DoS due to Panic in AWS SDK for Go v2 SDK EventStream Decoder in github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream...

Amazon Linux 2023 : ecs-init (ALAS2023-2026-1906)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1906 advisory. Denial of Service due to Panic in AWS SDK for Go v2 SDK EventStream Decoder Tenable has extracted the preceding description block directly from the tested product security advisory. Note that Nessus ha...

Amazon Linux 2023 : credentials-fetcher (ALAS2023-2026-1792)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1792 advisory. A denial of service vulnerability GHSA-XMRV-PMRH-HHX2 was found in the bundled AWS SDK for Go v2 EventStream decoder used by credentials-fetcher. An attacker who can inject a malformed EventStream...

CVE-2026-34091 User localization leaked by AbuseFilter + EventStream

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This issue affects MediaWiki: from before 1.43.7, 1.44.4, 1.45.2...

CVE-2026-34091

CVE-2026-34091 affects Wikimedia Foundation MediaWiki prior to versions 1.43.7, 1.44.4 and 1.45.2, exposing sensitive information to unauthorized actors. The connected sources confirm an information disclosure issue in MediaWiki with those versions. Debian advisory DSA-6208-1 states fixes for Med...

Uncaught Exception

Overview Affected versions of this package are vulnerable to Uncaught Exception via the eventstream decoder process. An attacker can cause the host process to terminate unexpectedly by sending a crafted EventStream response frame containing a header value type byte outside the valid range...

Uncaught Exception

Overview Affected versions of this package are vulnerable to Uncaught Exception via the eventstream decoder process. An attacker can cause the host process to terminate unexpectedly by sending a crafted EventStream response frame containing a header value type byte outside the valid range...

Uncaught Exception

Overview Affected versions of this package are vulnerable to Uncaught Exception via the eventstream decoder process. An attacker can cause the host process to terminate unexpectedly by sending a crafted EventStream response frame containing a header value type byte outside the valid range...

Denial of Service due to Panic in AWS SDK for Go v2 SDK EventStream Decoder

CVSSv3.1 Rating: Medium CVSSv3.1 Score: 5.9 CVSSv3.1 Vector String: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Summary and Impact An issue exists in the the EventStream header decoder in AWS SDK for Go v2 in versions predating 2026-03-23. An actor can send a malformed EventStream response frame...

Uncaught Exception

Overview Affected versions of this package are vulnerable to Uncaught Exception via the eventstream decoder process. An attacker can cause the host process to terminate unexpectedly by sending a crafted EventStream response frame containing a header value type byte outside the valid range...

Uncaught Exception

Overview Affected versions of this package are vulnerable to Uncaught Exception via the eventstream decoder process. An attacker can cause the host process to terminate unexpectedly by sending a crafted EventStream response frame containing a header value type byte outside the valid range...

Uncaught Exception

Overview Affected versions of this package are vulnerable to Uncaught Exception via the eventstream decoder process. An attacker can cause the host process to terminate unexpectedly by sending a crafted EventStream response frame containing a header value type byte outside the valid range...

Uncaught Exception

Overview Affected versions of this package are vulnerable to Uncaught Exception via the eventstream decoder process. An attacker can cause the host process to terminate unexpectedly by sending a crafted EventStream response frame containing a header value type byte outside the valid range...

Uncaught Exception

Overview Affected versions of this package are vulnerable to Uncaught Exception via the eventstream decoder process. An attacker can cause the host process to terminate unexpectedly by sending a crafted EventStream response frame containing a header value type byte outside the valid range...

Uncaught Exception

Overview Affected versions of this package are vulnerable to Uncaught Exception via the eventstream decoder process. An attacker can cause the host process to terminate unexpectedly by sending a crafted EventStream response frame containing a header value type byte outside the valid range...