Artifex MuPDF Signature Locking pdf-xref.c free_char_list double free
A vulnerability was detected in Artifex MuPDF up to 1.28.5. This impacts the function free_char_list of the file source/pdf/pdf-xref.c of the component Signature Locking. Performing a manipulation results in double free. The attack may be initiated remotely. The exploit is now public and may be used. The patch is named 3984925b660afb8a781ddf504021e91be1bc671e. To fix this issue, it is recommended to deploy a patch.
CVE-2026-112036
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-112036
MuPDF
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"cpes": [
"cpe:2.3:a:artifex:mupdf:*:*:*:*:*:*:*:*"
],
"vendor": "Artifex",
"modules": [
"Signature Locking"
],
"product": "MuPDF",
"versions": [
{
"status": "affected",
"version": "1.28.0"
},
{
"status": "affected",
"version": "1.28.1"
},
{
"status": "affected",
"version": "1.28.2"
},
{
"status": "affected",
"version": "1.28.3"
},
{
"status": "affected",
"version": "1.28.4"
},
{
"status": "affected",
"version": "1.28.5"
}
]
}
]- Related CVEs
- CVE-2026-112036
Source reference:
/cveMetadata/cveId
Publisher severity
medium
Source reference: /containers/cna/metrics
- Event
- #38985 · Revision 1
- Added to Heist Feed
- Publisher date