Source: python-pyzipper Version: 0.3.6-5 Severity: important Tags: security upstream X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>
Hi, The following vulnerability was published for python-pyzipper. CVE-2026-44722[0]: | pyzipper is a replacement for Python's zipfile that can read and | write AES encrypted zip files. Prior to 0.4.0, a Python operator | precedence bug in pyzipper/zipfile_aes.py caused the AE-2 format to | never be automatically selected during encryption, causing encrypted | entries to be written in AE-1 format and exposing the plaintext | CRC32 checksum in the ZIP header and, for unseekable zip archives, | in the datadescripter section, allowing an attacker who possesses | the archive to brute-force candidate plaintexts for small or low- | entropy files by comparing CRC32 values. This issue is fixed in | version 0.4.0. If you fix the vulnerability please also make sure to include the CVE (Common Vulnerabilities & Exposures) id in your changelog entry. For further information see: [0] https://security-tracker.debian.org/tracker/CVE-2026-44722 https://www.cve.org/CVERecord?id=CVE-2026-44722 [1] https://github.com/danifus/pyzipper/security/advisories/GHSA-crqm-m339-7m2p [2] https://github.com/danifus/pyzipper/commit/93ce88e7dfd1635443197dab3fb8d477cff579ae Regards, Salvatore
