| Name | CVE-2018-18606 |
| Description | An issue was discovered in the merge_strings function in merge.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.31. There is a NULL pointer dereference in _bfd_add_merge_section when attempting to merge sections with large alignments. A specially crafted ELF allows remote attackers to cause a denial of service, as demonstrated by ld. |
| 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 |
|---|---|---|---|
| binutils (PTS) | jessie, jessie (lts) | 2.25-5+deb8u2 | vulnerable |
| stretch (lts), stretch | 2.28-5+deb9u1 | vulnerable | |
| buster, buster (lts) | 2.31.1-16+deb10u1 | vulnerable | |
| bullseye | 2.35.2-2 | fixed | |
| bookworm | 2.40-2 | fixed | |
| trixie | 2.43.50.20241215-1 | fixed | |
| sid | 2.43.50.20241221-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| binutils | source | experimental | 2.31.51.20181204-1 | |||
| binutils | source | (unstable) | 2.32.51.20190707-1 | unimportant |
https://sourceware.org/bugzilla/show_bug.cgi?id=23806
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=45a0eaf77022963d639d6d19871dbab7b79703fc
binutils not covered by security support