# CVE-2026-118025: Mozilla Firefox SVG component issue

Source: https://junglewise.ai/threats/cve-2026-118025-other-issue-in-the-svg-component-this-vulnerability-was-fixed-in  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-27. Updated: 2026-10-27  
License: CC BY 4.0 with a link back

CVE-2026-118025 · Severity: info · Published 2026-10-27

Firefox is a web browser used by millions worldwide. A vulnerability in how it handles SVG (scalable vector graphics) images could allow attackers to exploit the browser, potentially compromising user data or control over the system.

Technologies: [Mozilla Firefox](https://junglewise.ai/threats/technologies/firefox). Vendors: [Mozilla](https://junglewise.ai/threats/vendors/mozilla).

## Quick answers

**Is CVE-2026-118025 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-118025 being exploited in the wild.

**How severe is CVE-2026-118025?** Informational severity, published 27 October 2026.

**Which products and versions are affected?** Mozilla Firefox before 159.

**Is there a fix for CVE-2026-118025?** Yes: fixed in Firefox 159. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-118025 attacked?** It is in a web application.

**Am I affected by CVE-2026-118025?** Check whether you run Mozilla Firefox at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Fixed in Firefox 159

## Technical details

An unspecified issue exists in Firefox's SVG component. Limited technical details are available from the advisory; the vulnerability class and attack preconditions are not described in the provided reference material.

## Affected products

- Mozilla Firefox before 159

## Timeline

- 2026-10-27: disclosed

## References

- [https://bugzilla.mozilla.org/show_bug.cgi?id=2082311](https://bugzilla.mozilla.org/show_bug.cgi?id=2082311)
- [https://www.mozilla.org/security/advisories/mfsa2026-118/](https://www.mozilla.org/security/advisories/mfsa2026-118/)

## Related threats

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- [Firefox same-origin policy bypass in CSS Parsing and Computation](https://junglewise.ai/threats/cve-2026-124950-same-origin-policy-bypass-in-the-css-parsing-and-computation)
- [Firefox other issue in SVG component](https://junglewise.ai/threats/cve-2026-124949-other-issue-in-the-svg-component-this-vulnerability-was-fixed-in)
- [Mozilla Firefox use-after-free in Graphics component](https://junglewise.ai/threats/cve-2026-124948-incorrect-boundary-conditions-use-after-free-in-the-graphics)
- [Firefox incorrect boundary conditions in Graphics component](https://junglewise.ai/threats/cve-2026-124947-incorrect-boundary-conditions-in-the-graphics-component-this)