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Vulnerabilities / CVE-2021-29476

critical

CVE-2021-29476

Requests is a HTTP library written in PHP. Requests mishandles deseria ...

Published Modified CWE 502
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GHSA9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Trivy's own label is CRITICAL. Rated critical by NVD, GHSA.

Description

Requests is a HTTP library written in PHP. Requests mishandles deserialization in FilteredIterator. The issue has been patched and users of `Requests` 1.6.0, 1.6.1 and 1.7.0 should update to version 1.8.0.

Affected packages and fixed versions

SourcePackageFixed in
composer::GitHub Security Advisory Composerrmccue/requests1.8.0
composer::PHP Security Advisories Databasermccue/requestsno fix listed
debian 10wordpress5.0.11+dfsg1-0+deb10u1
debian 11wordpress5.5.3+dfsg1-1
debian 12wordpress5.5.3+dfsg1-1
debian 13wordpress5.5.3+dfsg1-1
debian 14wordpress5.5.3+dfsg1-1
debian 9wordpress4.7.19+dfsg-1+deb9u1
echowordpress5.5.3+dfsg1-1

References

All 13 references

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.