CVE-2021-23368
unknown
CVSS v3
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CVSS v4 NEW
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VIR risk
—
Description
The package postcss from 7.0.0 and before 8.2.10 are vulnerable to Regular Expression Denial of Service (ReDoS) during source map parsing.
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 8.2.1+~cs5.3.23-6 |
| sid | Fixed | 8.2.1+~cs5.3.23-6 |
| forky | Fixed | 8.2.1+~cs5.3.23-6 |
| bullseye | Fixed | 8.2.1+~cs5.3.23-6 |
| bookworm | Fixed | 8.2.1+~cs5.3.23-6 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-23368
- https://github.com/postcss/postcss/commit/54cbf3c4847eb0fb1501b9d2337465439e849734
- https://github.com/postcss/postcss/commit/8682b1e4e328432ba692bed52326e84439cec9e4
- https://github.com/postcss/postcss/commit/b6f3e4d5a8d7504d553267f80384373af3a3dec5
- https://lists.apache.org/thread.html/r00158f5d770d75d0655c5eef1bdbc6150531606c8f8bcb778f0627be@%3Cdev.myfaces.apache.org%3E
- https://lists.apache.org/thread.html/r16e295b4f02d81b79981237d602cb0b9e59709bafaa73ac98be7cef1@%3Cdev.myfaces.apache.org%3E
- https://lists.apache.org/thread.html/r49afb49b38748897211b1f89c3a64dc27f9049474322b05715695aab@%3Cdev.myfaces.apache.org%3E
- https://lists.apache.org/thread.html/r5acd89f3827ad9a9cad6d24ed93e377f7114867cd98cfba616c6e013@%3Ccommits.myfaces.apache.org%3E
- https://lists.apache.org/thread.html/r8def971a66cf3e375178fbee752e1b04a812a047cc478ad292007e33@%3Cdev.myfaces.apache.org%3E
- https://lists.apache.org/thread.html/rad5af2044afb51668b1008b389ac815a28ecea9eb75ae2cab5a00ebb@%3Ccommits.myfaces.apache.org%3E
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1244795
- https://snyk.io/vuln/SNYK-JS-POSTCSS-1090595
- https://security-tracker.debian.org/tracker/CVE-2021-23368
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.