Answer in brief
CVE-2023-29499 records a Medium severity (CVSS 5.5) vulnerability in Gvariant offset table entry size is not checked in is_normal(). The current sources do not mark it as known exploited. The current feed maps Fedora/glib (generic), n/a/glib2 (generic), Red Hat/glib2 (generic), Fedora/glib2 (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 5.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Fedora/glib (generic), n/a/glib2 (generic), Red Hat/glib2 (generic), Fedora/glib2 (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Fedora/glibgeneric | * | Not reported |
| n/a/glib2generic | * | Not reported |
| Red Hat/glib2generic | * | Not reported |
| Fedora/glib2generic | * | Not reported |
| Fedora/mingw-glib2generic | * | Not reported |
| Siemens/SIMATIC S7-1500 CPU 1518-4 PN/DP MFPgeneric | >=V3.1.0 <V3.1.5 | V3.1.5 |
| Siemens/SIMATIC S7-1500 CPU 1518F-4 PN/DP MFPgeneric | >=V3.1.0 <V3.1.5 | V3.1.5 |
| Siemens/SIPLUS S7-1500 CPU 1518-4 PN/DP MFPgeneric | >=V3.1.0 <V3.1.5 | V3.1.5 |
Published upstream
Sep 14, 2023
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 14, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Oct 14, 2026
A flaw was found in GLib. GVariant deserialization fails to validate that the input conforms to the expected format, leading to denial of service.
Quoted source text, attributed separately from HOL analysis.