urllib3: HTTPResponse.stream()/read_chunked() buffers an unbounded chunk-size line into memory

Impacturllib3's streaming API is designed for efficiently handling large HTTP responses by reading the content in chunks, rather than loading the entire response body into memory at once. When decoding a chunked-transfer-encoded response, this API reads each chunk's size field by buffering until ...

PYSEC-2026-4176 urllib3: Chunked Deflate streaming can enter an infinite loop

Impact urllib3's streaming API is designed for the efficient handling of large HTTP responses by reading content in chunks instead of loading the entire response body into memory at once. urllib3 can decompress response bodies according to the HTTP Content-Encoding header. When streaming a...

PYSEC-2026-4177 urllib3: HTTPResponse.stream()/read_chunked() buffers an unbounded chunk-size line into memory

Impact urllib3's streaming API is designed for efficiently handling large HTTP responses by reading the content in chunks, rather than loading the entire response body into memory at once. When decoding a chunked-transfer-encoded response, this API reads each chunk's size field by buffering until...

PYSEC-2026-4162 sanic chunked trailer request smuggling allows hidden second request execution

Description Sanic's HTTP/1.1 chunked-body handling does not fully consume the trailer-part after the terminating 0\r\n chunk. Because of that, attacker-controlled bytes left in the connection buffer after the first chunked request can be interpreted as the start of a new HTTP request on the same...

sanic chunked trailer request smuggling allows hidden second request execution

DescriptionSanic's HTTP/1.1 chunked-body handling does not fully consume the trailer-part after the terminating 0\r\n chunk. Because of that, attacker-controlled bytes left in the connection buffer after the first chunked request can be interpreted as the start of a new HTTP request on the same...

CLEANSTART-2026-PP37381 net/http package improperly accepts a bare LF as a line terminator in chunked data chunk-size lines

Security vulnerability affects the cri-tools package. The net/http package improperly accepts a bare LF as a line terminator in chunked data chunk-size lines...

PT-2026-105920

Impact urllib3's streaming API is designed for efficiently handling large HTTP responses by reading the content in chunks, rather than loading the entire response body into memory at once. When decoding a chunked-transfer-encoded response, this API reads each chunk's size field by buffering until...

PT-2026-105906

Description Sanic's HTTP/1.1 chunked-body handling does not fully consume the trailer-part after the terminating 0r chunk. Because of that, attacker-controlled bytes left in the connection buffer after the first chunked request can be interpreted as the start of a new HTTP request on the same...

Rocky Linux 9 [CIQ] Security Update: opentelemetry-collector (crlsa-2025_12831)

The Rocky Linux 9 host has a package installed that is affected by a vulnerability as referenced in the CIQ crlsa-202512831 advisory. net/http: Request smuggling due to acceptance of invalid chunked data in net/http CVE-2025-22871 Tenable has extracted the preceding description block directly fro...

Rocky Linux 10.0 [CIQ] Security Update: buildah / buildah-debuginfo / buildah-debugsource / buildah-tests / etc (crlsa-2025_9148)

The Rocky Linux 10.0 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20259148 advisory. net/http: Request smuggling due to acceptance of invalid chunked data in net/http CVE-2025-22871 Tenable has extracted the preceding description block directly...

Rocky Linux 8 [CIQ] Security Update: osbuild-composer / osbuild-composer-core / etc (crlsa-2025_9844)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20259844 advisory. net/http: Request smuggling due to acceptance of invalid chunked data in net/http CVE-2025-22871 Tenable has extracted the preceding description block directly from...

Rocky Linux 10.0 [CIQ] Security Update: grafana-pcp / grafana-pcp-debuginfo / grafana-pcp-debugsource (crlsa-2025_8915)

The Rocky Linux 10.0 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20258915 advisory. net/http: Request smuggling due to acceptance of invalid chunked data in net/http CVE-2025-22871 Tenable has extracted the preceding description block directly...

Rocky Linux 9 [CIQ] Security Update: weldr-client / weldr-client-debuginfo / weldr-client-debugsource (crlsa-2025_9635)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20259635 advisory. net/http: Request smuggling due to acceptance of invalid chunked data in net/http CVE-2025-22871 Tenable has extracted the preceding description block directly from...

Rocky Linux 10.0 [CIQ] Security Update: gvisor-tap-vsock / gvisor-tap-vsock-debuginfo / etc (crlsa-2025_9151)

The Rocky Linux 10.0 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20259151 advisory. net/http: Request smuggling due to acceptance of invalid chunked data in net/http CVE-2025-22871 Tenable has extracted the preceding description block directly...

Rocky Linux 10.0 [CIQ] Security Update: opentelemetry-collector (crlsa-2025_12850)

The Rocky Linux 10.0 host has a package installed that is affected by a vulnerability as referenced in the CIQ crlsa-202512850 advisory. net/http: Request smuggling due to acceptance of invalid chunked data in net/http CVE-2025-22871 Tenable has extracted the preceding description block directly...

Rocky Linux 10.0 [CIQ] Security Update: git-lfs / git-lfs-debuginfo / git-lfs-debugsource (crlsa-2025_9063)

The Rocky Linux 10.0 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20259063 advisory. net/http: Request smuggling due to acceptance of invalid chunked data in net/http CVE-2025-22871 Tenable has extracted the preceding description block directly...

Rocky Linux 9 [CIQ] Security Update: containernetworking-plugins / containernetworking-plugins-debuginfo / etc (crlsa-2025_9143)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20259143 advisory. net/http: Request smuggling due to acceptance of invalid chunked data in net/http CVE-2025-22871 Tenable has extracted the preceding description block directly from...

Rocky Linux 9 [CIQ] Security Update: skopeo / skopeo-debuginfo / skopeo-debugsource / skopeo-tests (crlsa-2025_9145)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20259145 advisory. net/http: Request smuggling due to acceptance of invalid chunked data in net/http CVE-2025-22871 Tenable has extracted the preceding description block directly from...

Rocky Linux 10.0 [CIQ] Security Update: podman / podman-debuginfo / podman-debugsource / podman-docker / etc (crlsa-2025_9146)

The Rocky Linux 10.0 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20259146 advisory. net/http: Request smuggling due to acceptance of invalid chunked data in net/http CVE-2025-22871 Tenable has extracted the preceding description block directly...

AlmaLinux 9.2 [TuxCare] Security Update: squid Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2025:1738693764)

The AlmaLinux 9.2 host has a package installed that is affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1738693764 advisory. - Squid is a web proxy cache. Starting in version 3.5.27 and prior to version 6.8, Squid may be vulnerable to a Denial of Service...