Security readout for executives and security teams
Plain-English summary
CVE-2022-35086 is an availability issue in a referenced SWFTools commit. Processing a crafted local file can trigger a segmentation violation, potentially crashing the tool. The supplied sources do not identify supported product versions, deployment scope, or an upstream fix, so urgency depends on whether SWFTools processes untrusted media in your environment.
Executive priority
Treat this as a moderate operational risk. It is mainly a crash scenario, but automated file-processing services can turn repeated crashes into service disruption. Prioritize environments handling untrusted media over isolated analyst workstations.
Technical view
The CVE describes a CWE-787 out-of-bounds write condition causing a segmentation violation in SWFTools commit 772e55a2, associated with memmove-vec-unaligned-erms.S. CVSS 3.1 is 5.5: local attack vector, low complexity, no privileges, user interaction required, and high availability impact only.
Likely exposure
Exposure is most likely where SWFTools is installed in media conversion, file ingestion, CI, or archival workflows that process externally supplied files. The bundle lists affected vendor, product, versions, and CPEs as n/a, so asset owners must confirm local usage directly.
Exploitation context
The CVE is not listed as KEV in the supplied bundle. A public PoC reference is listed, but the provided data does not establish active exploitation, remote exploitability, or compromise of confidentiality or integrity.
Researcher notes
The source data is thin: affected versions and fix status are not provided, and the description names a low-level memmove crash rather than a precise SWFTools code path. The PoC reference suggests public reproducibility, but analysis should avoid assuming broader impact without upstream confirmation.
Mitigation direction
- Inventory SWFTools installations and determine whether commit 772e55a2 or related builds are present.
- Avoid processing untrusted media with SWFTools until vendor guidance is confirmed.
- Run conversion jobs in a sandboxed, least-privilege environment with resource limits.
- Check the upstream GitHub issue and CVE record for any fixed release or workaround.
- Prioritize remediation for internet-facing upload or automated file-processing pipelines.
Validation and detection
- Confirm whether SWFTools is installed on servers, workstations, CI runners, or conversion workers.
- Identify workflows that feed user-supplied files into SWFTools components.
- Review crash logs for segmentation faults during SWFTools media processing.
- Compare deployed builds against the referenced commit and upstream project history.
- Document whether any compensating sandboxing or isolation controls are already enforced.
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-2022-35086 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-2022-35086.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.