CVE-2018-18521
Divide-by-zero vulnerabilities in the function arlib_add_symbols() in arlib.c in elfutils 0.174 allow remote attackers to cause a denial of service (application crash) with a crafted ELF file, as demonstrated by eu-ranlib, because a zero sh_entsize is…
Does this matter?
Lower severity and a low EPSS score (1.72%). Track it; it rarely justifies an emergency change on its own.
Description
Divide-by-zero vulnerabilities in the function arlib_add_symbols() in arlib.c in elfutils 0.174 allow remote attackers to cause a denial of service (application crash) with a crafted ELF file, as demonstrated by eu-ranlib, because a zero sh_entsize is mishandled.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 1.72% probability · 77th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-369
- Affected
- elfutils project/elfutils · debian/debian linux · redhat/enterprise linux desktop · redhat/enterprise linux server · redhat/enterprise linux workstation · opensuse/leap · canonical/ubuntu linux
- Source
- cve@mitre.org
EPSS 1.7% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00052.htmlMailing List, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2197Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/02/msg00036.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/10/msg00030.htmlMailing List, Third Party Advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=23786Exploit, Issue Tracking, Third Party Advisory
- https://sourceware.org/ml/elfutils-devel/2018-q4/msg00055.htmlMailing List, Patch, Third Party Advisory
- https://usn.ubuntu.com/4012-1/Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00052.htmlMailing List, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2197Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/02/msg00036.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/10/msg00030.htmlMailing List, Third Party Advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=23786Exploit, Issue Tracking, Third Party Advisory
- https://sourceware.org/ml/elfutils-devel/2018-q4/msg00055.htmlMailing List, Patch, Third Party Advisory
- https://usn.ubuntu.com/4012-1/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.