| Name | CVE-2021-27219 |
| Description | An issue was discovered in GNOME GLib before 2.66.6 and 2.67.x before 2.67.3. The function g_bytes_new has an integer overflow on 64-bit platforms due to an implicit cast from 64 bits to 32 bits. The overflow could potentially lead to memory corruption. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more) |
| References | DLA-3044-1 |
| Debian Bugs | 982778 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| glib2.0 (PTS) | buster | 2.58.3-2+deb10u3 | fixed |
| buster (security) | 2.58.3-2+deb10u4 | fixed |
| bullseye | 2.66.8-1 | fixed |
| bookworm, sid | 2.74.6-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://gitlab.gnome.org/GNOME/glib/-/issues/2319
Fix introduces new API 'g_memdup2'
Fix backport in 2.66.7 adds 'g_memdup2' for internal use but does not allow fixing reverse-dependencies using vulnerable 'g_memdup'