VIR Vulnerability Intelligence Relay

CVE-2021-29421

medium
Published 2021-04-20 · Modified 2023-11-08
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
—
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v4 NEW
—
not yet in upstream
VIR risk
5.5

Description

models/metadata.py in the pikepdf package 1.3.0 through 2.9.2 for Python allows XXE when parsing XMP metadata entries.

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 with source_tier=community-verified.

OS impact
OSVersionStatusFixed in
arch archfixed2.10.0-1
debian debianbookwormfixed1.17.3+dfsg-5
debian debianbullseyefixed1.17.3+dfsg-5
debian debianforkyfixed1.17.3+dfsg-5
debian debiansidfixed1.17.3+dfsg-5
debian debiantrixiefixed1.17.3+dfsg-5

Package impact
EcosystemPackageVulnerableFixed
python PyPIpikepdf>=1.3.0,<2.10.02.10.0
python PyPIpikepdf<3f38f73218e5e782fe411ccbb3b44a793c0b343a||>=1.3.0,<2.10.03f38f73218e5e782fe411ccbb3b44a793c0b343a

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.