OSV-2022-1097 Stack-use-after-return in gs_type2_interpret
A stack-use-after-return vulnerability in Ghostscript's Type2 interpreter allows attackers to cause crashes or potentially execute code via malicious PDFs.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is OSV-2022-1097?
OSV-2022-1097 is an use after free vulnerability in ghostscript, published on 26 Oct 2022.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=52691
Crash type: Stack-use-after-return READ 4
Crash state:
gs_type2_interpret
pdfi_cff_glyph_outline
gs_default_glyph_info
Which versions are affected by OSV-2022-1097?
1 open source package ship an affected version, including ghostscript.
| Package | Affected | Fixed in |
|---|---|---|
ghostscript OSS-Fuzz | All versions | None |
How do I fix OSV-2022-1097?
No fix has been published for OSV-2022-1097 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is OSV-2022-1097 being exploited?
There is no known exploitation of OSV-2022-1097 in the wild and no public exploit code.