| Name | CVE-2022-39046 |
| Description | An issue was discovered in the GNU C Library (glibc) 2.36. When the syslog function is passed a crafted input string larger than 1024 bytes, it reads uninitialized memory from the heap and prints it to the target log file, potentially revealing a portion of the contents of the heap. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| glibc (PTS) | buster | 2.28-10+deb10u1 | fixed |
| buster (security) | 2.28-10+deb10u2 | fixed | |
| bullseye | 2.31-13+deb11u8 | fixed | |
| bullseye (security) | 2.31-13+deb11u7 | fixed | |
| bookworm, bookworm (security) | 2.36-9+deb12u4 | fixed | |
| trixie | 2.37-15 | fixed | |
| sid | 2.37-18 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| glibc | source | (unstable) | (not affected) |
- glibc <not-affected> (Vulnerable code introduced later)
https://sourceware.org/bugzilla/show_bug.cgi?id=29536
https://sourceware.org/pipermail/libc-alpha/2022-August/141707.html
Introduced by: https://sourceware.org/git/?p=glibc.git;a=commit;h=a583b6add407c17cdcd4146be3876061a5e1d555 (glibc-2.36)
Fixed by: https://sourceware.org/git/?p=glibc.git;a=commit;h=52a5be0df411ef3ff45c10c7c308cb92993d15b1