CVE catalog

CVE-2025-66863

binutils: CVE-2025-66863

Severity: High · CVSS 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published: Dec 29, 2025, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 0.38% · Oct 25, 2026

An issue was discovered in function d_discriminator in file cp-demangle.c in BinUtils 2.26 allows attackers to cause a denial of service via crafted PE file.

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
Cpe	binutils	Not reported	Not reported	unknown

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

[Debian 12 (Bookworm)]

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

Next results

Observed: Oct 24, 2026, 7:46:17 AM UTC

References

[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]