CVE-2021-43818
medium
CVSS v3
—
CVSS v4 NEW
—
VIR risk
5.5
Description
Moderate: python27:2.7 security update
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
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 4.6.5-1 | |
| sles | affected | | |
| rocky | 8 | fixed | |
| debian | bookworm | fixed | 4.7.1-1 |
| debian | bullseye | fixed | 4.6.3+dfsg-0.1+deb11u1 |
| debian | forky | fixed | 4.7.1-1 |
| debian | sid | fixed | 4.7.1-1 |
| debian | trixie | fixed | 4.7.1-1 |
References
- https://github.com/lxml/lxml/security/advisories/GHSA-55x5-fj6c-h6m8
- https://nvd.nist.gov/vuln/detail/CVE-2021-43818
- https://github.com/lxml/lxml/commit/12fa9669007180a7bb87d990c375cf91ca5b664a
- https://github.com/lxml/lxml/commit/a3eacbc0dcf1de1c822ec29fb7d090a4b1712a9c#diff-59130575b4fb2932c957db2922977d7d89afb0b2085357db1a14615a2fcad776
- https://github.com/lxml/lxml/commit/f2330237440df7e8f39c3ad1b1aa8852be3b27c0
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://www.debian.org/security/2022/dsa-5043
- https://security.netapp.com/advisory/ntap-20220107-0005
- https://security.gentoo.org/glsa/202208-06
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZQ4SPKJX3RRJK4UWA6FXCRHD2TVRQI44
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WZGNET2A4WGLSUXLBFYKNC5PXHQMI3I7
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/V2XMOM5PFT6U5AAXY6EFNT5JZCKKHK2V
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TUIS2KE3HZ2AAQKXFLTJFZPP2IFHJTC7
- https://lists.debian.org/debian-lts-announce/2021/12/msg00037.html
- https://github.com/pypa/advisory-database/tree/main/vulns/lxml/PYSEC-2021-852.yaml
- https://github.com/lxml/lxml
- https://www.suse.com/security/cve/CVE-2021-43818.html
- https://errata.rockylinux.org/RLSA-2022:5498
- https://errata.rockylinux.org/RLSA-2022:1932
- https://errata.rockylinux.org/RLSA-2022:1821
- https://errata.rockylinux.org/RLSA-2022:1763
- https://errata.rockylinux.org/RLSA-2022:1764
- https://security-tracker.debian.org/tracker/CVE-2021-43818
- https://errata.almalinux.org/8/ALSA-2022-1763.html
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.