Deep dives, practical guides, and incident analyses from engineers who build Safeguard. No fluff, no vendor FUD — just what you need to ship secure software.
CVE-2022-22817 lets attackers achieve arbitrary code execution via Pillow's ImageMath.eval() when environment data is attacker-controlled. Patch to 9.0.1+.
A buffer over-read in Pillow's PCX decoder (CVE-2020-35654) could crash image-processing services on crafted files. Here's the fix and detection guidance.
A crafted image file could force Pillow to over-allocate memory, causing denial of service. Here's what CVE-2020-35655 affects, its severity, and how to remediate it.
A patch bypass in Pillow's ImageMath.eval() reopens arbitrary code execution first flagged in CVE-2022-22817. Here's what changed and how to remediate it.
A NULL pointer dereference in python-cryptography's PKCS7 loader (CVE-2023-49083) lets malformed input crash applications. Here's what to patch and why.
CVE-2023-50782 exposes a Bleichenbacher-style timing oracle in python-cryptography's RSA PKCS1v15 decryption, letting attackers recover plaintext.
CVE-2023-30861 lets caching proxies leak Flask session cookies between users when responses aren't marked Vary: Cookie. Here's who's affected and how to fix it.
CVE-2019-1010083 let attackers crash Flask apps with crafted multipart requests. Here's the impact, affected versions, and how to remediate the DoS flaw.
CVE-2023-25577 lets attackers trigger denial of service in Werkzeug's multipart parser via crafted uploads. Here's the impact, timeline, and fix.
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