Security readout for executives and security teams
Plain-English summary
CVE-2022-35090 is a heap-buffer overflow reported in SWFTools at commit 772e55a2. The main business risk is service disruption if a local workflow processes hostile input. The available record does not name fixed versions or confirm broad product exposure.
Executive priority
Treat this as a targeted remediation item, not an emergency. Prioritize environments where SWFTools processes external files or supports customer-facing conversion pipelines, because the documented impact is availability loss rather than data theft or privilege escalation.
Technical view
The CVE describes a CWE-787 heap-buffer overflow observed through AddressSanitizer memcpy instrumentation. CVSS 3.1 is 5.5: local attack vector, low complexity, no privileges, user interaction required, and high availability impact only. Public metadata does not provide a complete affected-version matrix.
Likely exposure
Exposure is most likely where SWFTools is installed in desktop, build, media-conversion, or automated processing workflows that handle files from untrusted sources. The CVE metadata lists affected vendor/product/version as unavailable, so version-level exposure must be verified locally.
Exploitation context
No CISA KEV listing is provided, and the source bundle does not show active exploitation. Public references include an issue and a proof-of-concept page, indicating technical details exist, but the CVSS vector requires local processing and user interaction.
Researcher notes
The source evidence is thin: it identifies SWFTools, a specific commit, CWE-787, and AddressSanitizer-observed memcpy overflow behavior, but not fixed versions. Public PoC material exists, so validation should remain defensive and avoid reproducing exploit details in shared runbooks.
Mitigation direction
- Check SWFTools upstream issue history for fixed commits or release guidance.
- Avoid processing untrusted files with SWFTools until exposure is resolved.
- Run file conversion jobs in isolated, least-privilege environments.
- Remove SWFTools from systems where it is no longer required.
- Monitor vendor or maintainer channels for an official patch statement.
Validation and detection
- Inventory systems and containers for SWFTools installations or bundled copies.
- Identify workflows that pass user-supplied media files into SWFTools.
- Check whether any deployment is pinned to commit 772e55a2 or nearby code.
- Review crash logs for heap overflow or AddressSanitizer findings in SWFTools.
- Confirm compensating controls isolate conversion failures from production services.
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-787: 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-2022-35090 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
- 5.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/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:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H1.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.5MediumVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/matthiaskramm/swftools/issues/181CVE reference · x_refsource_MISC
- https://github.com/Cvjark/Poc/blob/main/swftools/gif2swf/CVE-2022-35090.mdCVE reference · x_refsource_MISC
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.
Out-of-bounds Write
Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.