Security readout for executives and security teams
Plain-English summary
This is a denial-of-service flaw in curl before 7.84.0. A malicious server could send an overly complex compressed HTTP response that makes curl allocate excessive heap memory or fail with out-of-memory errors. The known impact is availability, not data theft or tampering.
Executive priority
Treat as a routine but necessary availability-risk patch. Prioritize internet-facing services, automation, and products that use curl to fetch external content, especially where outages or memory exhaustion would affect customers or operations.
Technical view
curl accepted unbounded chained HTTP content-encoding decompression steps. An attacker-controlled server response could trigger excessive memory allocation during decompression, a CWE-770 resource-allocation issue. The CVSS vector is network reachable with low attack complexity but requires the client or user workflow to request the malicious server.
Likely exposure
Exposure is most likely where curl or libcurl before 7.84.0 fetches HTTP content from untrusted or attacker-controlled servers. Also check operating systems, containers, appliances, and products that bundle libcurl, including vendor-maintained backports.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation evidence. Practical exploitation depends on a vulnerable curl client receiving a malicious compressed response from a server it contacts.
Researcher notes
The issue is bounded to availability: CVSS reports no confidentiality or integrity impact. The affected record names curl before 7.84.0 and describes the fix version, but source details do not provide a standalone workaround beyond vendor updates and guidance.
Mitigation direction
- Upgrade curl and libcurl to 7.84.0 or a vendor-patched package.
- Apply OS and product security updates from Debian, Fedora, Gentoo, Apple, NetApp, or Siemens where applicable.
- Inventory containers, appliances, and statically linked applications that may bundle libcurl.
- If immediate upgrade is blocked, check vendor guidance for supported compensating controls.
Validation and detection
- Check installed curl and libcurl versions against 7.84.0 or vendor backport advisories.
- Confirm package changelogs include CVE-2022-32206 remediation, not only a higher version string.
- Review SBOMs and container images for embedded or statically linked libcurl.
- Identify workflows that fetch untrusted URLs or third-party HTTP content.
- Verify vendor advisories for affected downstream products in your estate.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-770: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2022-32206 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H2.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://hackerone.com/reports/1570651CVE reference
- FEDORA-2022-1b3d7f6973CVE reference · vendor-advisory
- DSA-5197CVE reference · vendor-advisory
- [debian-lts-announce] 20220828 [SECURITY] [DLA 3085-1] curl security updateCVE reference · mailing-list
- https://security.netapp.com/advisory/ntap-20220915-0003/CVE reference
- https://support.apple.com/kb/HT213488CVE reference
- https://cert-portal.siemens.com/productcert/pdf/ssa-333517.pdfCVE reference
- GLSA-202212-01CVE reference · vendor-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Allocation of Resources Without Limits or Throttling
Allocation of Resources Without Limits or Throttling represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.