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Fencer Vulns
high 7.8

CVE-2018-8769 json

elfutils 0.170 has a buffer over-read in the ebl_dynamic_tag_name function of libebl/ebldynamictagname.c because SYMTAB_SHNDX is unsupporte…

published 2018-03-18 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-20378

cvss
7.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 58%
public exploits
0
none known

Summary

elfutils 0.170 has a buffer over-read in the ebl_dynamic_tag_name function of libebl/ebldynamictagname.c because SYMTAB_SHNDX is unsupported.

Patch / fix

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-8769 updated cvss 4.4

elfutils: buffer over-read in ebldynamictagname.c:ebl_dynamic_tag_name() allows for denial of service

  • Red Hat Enterprise Linux 5 elfutils Red Hat Enterprise Linux 6 elfutils, elfutils-libs, elfutils-libelf Red Hat Enterprise Linux 7 elfutils, elfutils-libs, elfutils-libelf, elfutils-default-yama-scope Red Hat Enterprise Linux 8 elfutils, elfutils-libs, elfutils-libelf, elfutils-default-yama-scope
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.84% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • sourceware.org https://sourceware.org/bugzilla/show_bug.cgi?id=22976 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 7.8 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.