| 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, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, 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) | bullseye | 2.66.8-1+deb11u4 | fixed |
| bullseye (security) | 2.66.8-1+deb11u6 | fixed |
| bookworm | 2.74.6-2+deb12u5 | fixed |
| bookworm (security) | 2.74.6-2+deb12u2 | fixed |
| trixie | 2.84.1-1 | fixed |
| sid | 2.84.1-2 | 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'