PYSEC-2026-2670 multipart vulnerable to ReDoS in `parse_options_header()`

Summary The parseoptionsheader function in multipart.py uses a regular expression with an ambiguous alternation, which can cause exponential backtracking ReDoS when parsing maliciously crafted HTTP or multipart segment headers. This can be abused for denial of service DoS attacks against web...

PJSIP 缓冲区错误漏洞

PJSIP is an open-source, free and open-source multimedia communication library developed in C language. It implements standards-based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. Versions of PJSIP 2.16 and earlier had a buffer error vulnerability. This vulnerability stemmed from an...

CVE-2025-55904

Open5GS v2.7.5, prior to commit 67ba7f92bbd7a378954895d96d9d7b05d5b64615, is vulnerable to a NULL pointer dereference when a multipart/related HTTP POST request with an empty HTTP body is sent to the SBI of either AMF, AUSF, BSF, NRF, NSSF, PCF, SMF, UDM, or UDR, resulting in a denial of service...

Medium: php8.3

Issue Overview: The upstream advisory describes this issue as follows: A memory-related vulnerability in PHP's filter handling system, particularly when processing input with convert.quoted-printable-decode filters, leads to a segmentation fault. This vulnerability is triggered through specific...