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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…
Medium5.5EPSS 1.7%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 1.7% · top 22% of all CVEs (3 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
Affected products
n/a
- affected n/a
References (7)
- [debian-lts-announce] 20190225 [SECURITY] [DLA 1689-1] elfutils security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://sourceware.org/ml/elfutils-devel/2018-q4/msg00055.html (opens in a new tab)x_refsource_MISCx_transferred
- https://sourceware.org/bugzilla/show_bug.cgi?id=23786 (opens in a new tab)x_refsource_MISCx_transferred
- USN-4012-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- openSUSE-SU-2019:1590 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- RHSA-2019:2197 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- [debian-lts-announce] 20211030 [SECURITY] [DLA 2802-1] elfutils security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2018-18521)Record last updated .