CVE catalog

CVE-2018-20673

binutils: CVE-2018-20673

Severity: Medium · CVSS 5.3CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Published: Dec 27, 2018, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 1.64% · Oct 25, 2026

The demangle_template function in cplus-dem.c in GNU libiberty, as distributed in GNU Binutils 2.31.1, contains an integer overflow vulnerability (for "Create an array for saving the template argument values") that can trigger a heap-based buffer overflow, as demonstrated by nm.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	binutils	sid	`2.47.50.20261021-1`	vulnerable
Debian	binutils	forky	`2.47.50.20261021-1`	vulnerable
Debian	binutils	trixie	`2.44-3`	vulnerable
Debian	binutils	bookworm	`2.40-2`	vulnerable
Ubuntu	binutils	pro	`2.29.1-4ubuntu1`	vulnerable
Ubuntu	binutils	pro	`2.29.1-6ubuntu1`	vulnerable
Ubuntu	binutils	pro	`2.29.1-7ubuntu1`	vulnerable
Ubuntu	binutils	pro	`2.29.1-8ubuntu1`	vulnerable
Ubuntu	binutils	pro	`2.29.1-10ubuntu1`	vulnerable
Ubuntu	binutils	pro	`2.29.1-12ubuntu1`	vulnerable
Ubuntu	binutils	pro	`2.30-4ubuntu1`	vulnerable
Ubuntu	binutils	pro	`2.30-5ubuntu1`	vulnerable
Ubuntu	binutils	pro	`2.30-7ubuntu1`	vulnerable
Ubuntu	binutils	pro	`2.30-8ubuntu1`	vulnerable
Ubuntu	binutils	pro	`2.30-9ubuntu1`	vulnerable
Ubuntu	binutils	pro	`2.30-10ubuntu1`	vulnerable
Ubuntu	binutils	pro	`2.30-11ubuntu1`	vulnerable
Ubuntu	binutils	pro	`2.30-14ubuntu2`	vulnerable
Ubuntu	binutils	pro	`2.30-15ubuntu1`	vulnerable
Ubuntu	binutils	pro	`2.30-20ubuntu2~18.04`	vulnerable
Ubuntu	binutils	pro	`2.30-21ubuntu1~18.04`	vulnerable
Ubuntu	binutils	pro	`2.30-21ubuntu1~18.04.1`	vulnerable
Ubuntu	binutils	pro	`2.30-21ubuntu1~18.04.2`	vulnerable
Ubuntu	binutils	pro	`2.30-21ubuntu1~18.04.3`	vulnerable
Ubuntu	binutils	pro	`2.30-21ubuntu1~18.04.4`	vulnerable
Ubuntu	binutils	pro	`2.30-21ubuntu1~18.04.5`	vulnerable
Ubuntu	binutils	pro	`2.30-21ubuntu1~18.04.7`	vulnerable
Ubuntu	binutils	pro	`2.30-21ubuntu1~18.04.8`	vulnerable
Ubuntu	binutils	pro	`2.30-21ubuntu1~18.04.9`	vulnerable
Ubuntu	binutils	pro	`2.30-21ubuntu1~18.04.9+esm1`	vulnerable
Ubuntu	binutils	pro	`2.30-21ubuntu1~18.04.9+esm3`	vulnerable
Ubuntu	binutils	pro	`2.30-21ubuntu1~18.04.9+esm4`	vulnerable
Ubuntu	binutils	pro	`2.30-21ubuntu1~18.04.9+esm5`	vulnerable
Ubuntu	binutils	pro	`2.30-21ubuntu1~18.04.9+esm13`	vulnerable

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	binutils	source	sid	`(unfixed)`	unimportant	Not reported	Not reported
Debian	binutils	source	forky	`(unfixed)`	unimportant	Not reported	Not reported
Debian	binutils	source	trixie	`(unfixed)`	unimportant	Not reported	Not reported
Debian	binutils	source	bookworm	`(unfixed)`	unimportant	Not reported	Not reported

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

[binutils]Unknown
Details (2)
- 2.40-2 · amd64 · bookworm
  Affected
  dsa · binutils · debian · bookworm; dsa · binutils · debian · 12
- 2.40-2 · arm64 · bookworm
  Affected
  dsa · binutils · debian · bookworm; dsa · binutils · debian · 12
[binutils-aarch64-linux-gnu]Unknown
Source package: [binutils]
Details (2)
- 2.40-2 · amd64 · bookworm
  Affected
  dsa · binutils · debian · bookworm; dsa · binutils · debian · 12
- 2.40-2 · arm64 · bookworm
  Affected
  dsa · binutils · debian · bookworm; dsa · binutils · debian · 12
[binutils-aarch64-linux-gnu-dbg]Unknown
Source package: [binutils]
Details (2)
- 2.40-2 · amd64 · bookworm
  Affected
  dsa · binutils · debian · bookworm; dsa · binutils · debian · 12
- 2.40-2 · arm64 · bookworm
  Affected
  dsa · binutils · debian · bookworm; dsa · binutils · debian · 12
[binutils-alpha-linux-gnu]Unknown
Source package: [binutils]
Details (1)
- 2.40-2 · amd64 · bookworm
  Affected
  dsa · binutils · debian · bookworm; dsa · binutils · debian · 12
[binutils-alpha-linux-gnu-dbg]Unknown
Source package: [binutils]
Details (1)
- 2.40-2 · amd64 · bookworm
  Affected
  dsa · binutils · debian · bookworm; dsa · binutils · debian · 12
[binutils-arc-linux-gnu]Unknown
Source package: [binutils]
Details (2)
- 2.40-2 · amd64 · bookworm
  Affected
  dsa · binutils · debian · bookworm; dsa · binutils · debian · 12
- 2.40-2 · arm64 · bookworm
  Affected
  dsa · binutils · debian · bookworm; dsa · binutils · debian · 12
[binutils-arc-linux-gnu-dbg]Unknown
Source package: [binutils]
Details (2)
- 2.40-2 · amd64 · bookworm
  Affected
  dsa · binutils · debian · bookworm; dsa · binutils · debian · 12
- 2.40-2 · arm64 · bookworm
  Affected
  dsa · binutils · debian · bookworm; dsa · binutils · debian · 12
[binutils-arm-linux-gnueabi]Unknown
Source package: [binutils]
Details (2)
- 2.40-2 · amd64 · bookworm
  Affected
  dsa · binutils · debian · bookworm; dsa · binutils · debian · 12
- 2.40-2 · arm64 · bookworm
  Affected
  dsa · binutils · debian · bookworm; dsa · binutils · debian · 12
[binutils-arm-linux-gnueabi-dbg]Unknown
Source package: [binutils]
Details (2)
- 2.40-2 · amd64 · bookworm
  Affected
  dsa · binutils · debian · bookworm; dsa · binutils · debian · 12
- 2.40-2 · arm64 · bookworm
  Affected
  dsa · binutils · debian · bookworm; dsa · binutils · debian · 12
[binutils-arm-linux-gnueabihf]Unknown
Source package: [binutils]
Details (2)
- 2.40-2 · amd64 · bookworm
  Affected
  dsa · binutils · debian · bookworm; dsa · binutils · debian · 12
- 2.40-2 · arm64 · bookworm
  Affected
  dsa · binutils · debian · bookworm; dsa · binutils · debian · 12
[binutils-arm-linux-gnueabihf-dbg]Unknown
Source package: [binutils]
Details (2)
- 2.40-2 · amd64 · bookworm
  Affected
  dsa · binutils · debian · bookworm; dsa · binutils · debian · 12
- 2.40-2 · arm64 · bookworm
  Affected
  dsa · binutils · debian · bookworm; dsa · binutils · debian · 12
[binutils-common]Unknown
Source package: [binutils]
Details (2)
- 2.40-2 · amd64 · bookworm
  Affected
  dsa · binutils · debian · bookworm; dsa · binutils · debian · 12
- 2.40-2 · arm64 · bookworm
  Affected
  dsa · binutils · debian · bookworm; dsa · binutils · debian · 12
[binutils-dev]Unknown
Source package: [binutils]
Details (2)
- 2.40-2 · amd64 · bookworm
  Affected
  dsa · binutils · debian · bookworm; dsa · binutils · debian · 12
- 2.40-2 · arm64 · bookworm
  Affected
  dsa · binutils · debian · bookworm; dsa · binutils · debian · 12
[binutils-doc]Unknown
Source package: [binutils]
Details (2)
- 2.40-2 · all · bookworm
  Affected
  dsa · binutils · debian · bookworm; dsa · binutils · debian · 12
- 2.40-2 · all · bookworm
  Affected
  dsa · binutils · debian · bookworm; dsa · binutils · debian · 12
[binutils-for-build]Unknown
Source package: [binutils]
Details (2)
- 2.40-2 · all · bookworm
  Affected
  dsa · binutils · debian · bookworm; dsa · binutils · debian · 12
- 2.40-2 · all · bookworm
  Affected
  dsa · binutils · debian · bookworm; dsa · binutils · debian · 12
[binutils-for-host]Unknown
Source package: [binutils]
Details (2)
- 2.40-2 · amd64 · bookworm
  Affected
  dsa · binutils · debian · bookworm; dsa · binutils · debian · 12
- 2.40-2 · arm64 · bookworm
  Affected
  dsa · binutils · debian · bookworm; dsa · binutils · debian · 12
[binutils-hppa64-linux-gnu]Unknown
Source package: [binutils]
Details (1)
- 2.40-2 · amd64 · bookworm
  Affected
  dsa · binutils · debian · bookworm; dsa · binutils · debian · 12
[binutils-hppa64-linux-gnu-dbg]Unknown
Source package: [binutils]
Details (1)
- 2.40-2 · amd64 · bookworm
  Affected
  dsa · binutils · debian · bookworm; dsa · binutils · debian · 12
[binutils-hppa-linux-gnu]Unknown
Source package: [binutils]
Details (1)
- 2.40-2 · amd64 · bookworm
  Affected
  dsa · binutils · debian · bookworm; dsa · binutils · debian · 12
[binutils-hppa-linux-gnu-dbg]Unknown
Source package: [binutils]
Details (1)
- 2.40-2 · amd64 · bookworm
  Affected
  dsa · binutils · debian · bookworm; dsa · binutils · debian · 12

Next results

Observed: Oct 23, 2026, 5:36:05 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]