ReDoS issue in dparse

高 7.5CVE-2022-39280 · GHSA-8fg9-p83m-x5pq · PYSEC-2022-301 · 06/10/2022 公開 · 17/06/2026 更新

要点

CVE-2022-39280 は dparse, dependency parser (pyup) に影響する深刻度「高」 (CVSS 7.5) の脆弱性です。
今後30日間に悪用される確率（EPSS）：1.3%（全脆弱性の 71.4% より高い）。
対処：0.5.2, 0.5.1 以降に更新してください。

パッケージ	影響を受けるバージョン	修正済みバージョン
dparse PyPI	`< 0.5.2`	`0.5.2`
dependency parser pyup	`< 0.5.1`	`0.5.1`

概要

Impact

dparse versions prior to 0.5.1 contain a regular expression that is vulnerable to ReDoS (Regular Expression Denial of Service).

All users parsing index server URLs with dparse are impacted by this vulnerability.

Patches

The Patch is applied in the 0.5.2 version, all users are recommended to upgrade as soon as possible.

Workarounds

Avoid passing index server URLs in the source file to be parsed.

References

https://github.com/pyupio/dparse/tree/security/remove-intensive-regex

For more information

If you have any questions or comments about this advisory:

Email us at [email protected]

NVD の説明

dparse is a parser for Python dependency files. dparse in versions before 0.5.2 contain a regular expression that is vulnerable to a Regular Expression Denial of Service. All the users parsing index server URLs with dparse are impacted by this vulnerability. A patch has been applied in version `0.5.2`, all the users are advised to upgrade to `0.5.2` as soon as possible. Users unable to upgrade should avoid passing index server URLs in the source file to be parsed.