Security update for python-asteval (moderate)

openSUSE Security Update: Security update for python-asteval Announcement ID: openSUSE-SU-2026:0329-1 Rating: moderate References: 1273147 Cross-References: CVE-2026-55244 Affected Products: openSUSE Backports SLE-15-SP7 An update that fixes one vulnerability is now available. Description: This...

CVE-2026-55244 ASTEVAL: Sandbox Escape via BaseException Subclasses

ASTEVAL is an evaluator of Python expressions and statements. Prior to 1.0.9, FROMPY in asteval/astutils.py exposes BaseException, SystemExit, KeyboardInterrupt, and GeneratorExit to expressions evaluated by asteval.Interpreter.eval, while run and eval in asteval/asteval.py catch Exception rather...

CVE-2026-55244

ASTEVAL (a Python expression evaluator) prior to 1.0.9 has a sandbox escape via BaseException subclasses . The FROM_PY symbol table in astutils.py exposes SystemExit, KeyboardInterrupt, GeneratorExit, and BaseException to sandboxed expressions, while run() and eval() in asteval.py only catch Exce...

CVE-2026-55244 ASTEVAL: Sandbox Escape via BaseException Subclasses

ASTEVAL is an evaluator of Python expressions and statements. Prior to 1.0.9, FROMPY in asteval/astutils.py exposes BaseException, SystemExit, KeyboardInterrupt, and GeneratorExit to expressions evaluated by asteval.Interpreter.eval, while run and eval in asteval/asteval.py catch Exception rather...

PYSEC-2026-3807 asteval has a Sandbox Escape via BaseException Subclasses

Summary An attacker who can supply expressions to asteval.Interpreter.eval can raise SystemExit, KeyboardInterrupt, GeneratorExit, or BaseException from inside the sandbox. These exceptions are subclasses of BaseException but not Exception, so they bypass the except Exception: safety net in both...