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medium 6.5

CVE-2019-7149 json

A heap-based buffer over-read was discovered in the function read_srclines in dwarf_getsrclines.c in libdw in elfutils 0.175.

published 7y ago modified 4mo ago also EUVD-2019-16699

cvss
6.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.0%
EPSS 2.0% chance of exploitation in 30 days, percentile 80%
public exploits
0
none known

Summary

A heap-based buffer over-read was discovered in the function read_srclines in dwarf_getsrclines.c in libdw in elfutils 0.175. A crafted input can cause segmentation faults, leading to denial-of-service, as demonstrated by eu-nm.

Patch / fix

  • elfutils Debian 14, Debian 13, Debian 12 0.176-1

debian advisories DEBIAN-CVE-2019-7149

  • elfutils Ubuntu 16.04 LTS 0.165-3ubuntu1.2
  • elfutils Ubuntu 18.04 LTS 0.170-0.4ubuntu0.1
  • elfutils Ubuntu Pro 14.04 LTS 0.158-0ubuntu5.3+esm1

ubuntu advisories UBUNTU-CVE-2019-7149

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • elfutils RHEL 8 0.176-5.el8
  • elfutils-libs RHEL 8 0.176-5.el8
  • elfutils-libelf RHEL 8 0.176-5.el8
  • elfutils-default-yama-scope RHEL 8 0.176-5.el8
  • elfutils RHEL 7 0.176-2.el7
  • elfutils-libs RHEL 7 0.176-2.el7
  • elfutils-libelf RHEL 7 0.176-2.el7
  • elfutils-default-yama-scope RHEL 7 0.176-2.el7

red hat advisories RHSA-2019:3575RHSA-2019:2197

  • dwarves SLE Module for Basesystem 15 SP3, SLE Micro 5.2, SLE Micro 5.1 +2 more 1.22-150300.7.3.1
  • elfutils SLE Module for Basesystem 15 SP3, SLE Micro 5.2, SLE Micro 5.1 +2 more 0.177-150300.11.3.1

suse advisories SUSE-SU-2022:2614-2SUSE-SU-2022:2614-1

  • elfutils Alpine 3.24, Alpine 3.23, Alpine 3.22 +10 more 0.176-r0

alpine advisories ALPINE-CVE-2019-7149

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • libelf Arch Linux 0.176-1

arch linux advisories AVG-863

Is CVE-2019-7149 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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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-2019-7149 updated cvss 3.3

elfutils: heap-based buffer over-read in read_srclines in dwarf_getsrclines.c in libdw

  • Red Hat Ansible Tower 3.4 for RHEL 7 Server ansible-tower-34/ansible-tower-memcached 1.4.15-28, ansible-tower-35/ansible-tower-memcached 1.4.15-28, ansible-tower-37/ansible-tower-memcached-rhel7 1.4.15-28
    fixed: vendor fix RHBA-2020:0547
  • Red Hat CodeReady Linux Builder (v. 8) elfutils-debuginfo 0.176-5.el8, elfutils-debugsource 0.176-5.el8, elfutils-devel-static 0.176-5.el8, elfutils-libs-debuginfo 0.176-5.el8, elfutils-libelf-debuginfo 0.176-5.el8, elfutils-libelf-devel-static 0.176-5.el8 Red Hat Enterprise Linux BaseOS (v. 8) elfutils 0.176-5.el8, elfutils-libs 0.176-5.el8, elfutils-libelf 0.176-5.el8, elfutils-default-yama-scope 0.176-5.el8
    fixed: vendor fix RHSA-2019:3575
  • Red Hat Enterprise Linux Client (v. 7) elfutils 0.176-2.el7, elfutils-libs 0.176-2.el7, elfutils-libelf 0.176-2.el7, elfutils-default-yama-scope 0.176-2.el7 Red Hat Enterprise Linux Client Optional (v. 7) elfutils-devel 0.176-2.el7, elfutils-debuginfo 0.176-2.el7, elfutils-devel-static 0.176-2.el7, elfutils-libelf-devel 0.176-2.el7, elfutils-libelf-devel-static 0.176-2.el7 Red Hat Enterprise Linux ComputeNode (v. 7) elfutils 0.176-2.el7, elfutils-libs 0.176-2.el7, elfutils-libelf 0.176-2.el7, elfutils-default-yama-scope 0.176-2.el7 Red Hat Enterprise Linux ComputeNode Optional (v. 7) elfutils-devel 0.176-2.el7, elfutils-debuginfo 0.176-2.el7, elfutils-devel-static 0.176-2.el7, elfutils-libelf-devel 0.176-2.el7, elfutils-libelf-devel-static 0.176-2.el7 Red Hat Enterprise Linux Server (v. 7) elfutils 0.176-2.el7, elfutils-libs 0.176-2.el7, elfutils-libelf 0.176-2.el7, elfutils-default-yama-scope 0.176-2.el7 Red Hat Enterprise Linux Server Optional (v. 7) elfutils-debuginfo 0.176-2.el7, elfutils-devel-static 0.176-2.el7, elfutils-libelf-devel-static 0.176-2.el7
    +2 more products
    Red Hat Enterprise Linux Workstation (v. 7) elfutils 0.176-2.el7, elfutils-libs 0.176-2.el7, elfutils-libelf 0.176-2.el7, elfutils-default-yama-scope 0.176-2.el7 Red Hat Enterprise Linux Workstation Optional (v. 7) elfutils-debuginfo 0.176-2.el7, elfutils-devel-static 0.176-2.el7, elfutils-libelf-devel-static 0.176-2.el7
    fixed: vendor fix RHSA-2019:2197
  • Red Hat Enterprise Linux 5 elfutils Red Hat Enterprise Linux 6 elfutils, elfutils-libs, elfutils-libelf
    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

1.97% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • sourceware.org https://sourceware.org/bugzilla/show_bug.cgi?id=24102 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness

References

Sources

Fencer Intel 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.