CVE-2019-14249
published 2019-07-24CVE-2019-14249: dwarf_elf_load_headers.c in libdwarf before 2019-07-05 allows attackers to cause a denial of service (division by zero) via an ELF file with a zero-size…
PriorityP425medium6.5CVSS 3.0
AVNACLPRNUIRSUCNINAH
EPSS
2.73%
84.5th percentile
dwarf_elf_load_headers.c in libdwarf before 2019-07-05 allows attackers to cause a denial of service (division by zero) via an ELF file with a zero-size section group (SHT_GROUP), as demonstrated by dwarfdump.
Affected
11 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | dwarfutils | — | — |
| libdwarf_project | libdwarf | < 2019-07-05 | 2019-07-05 |
| libdwarf_project | libdwarf | >= 0 < 0.6.0-r0 | 0.6.0-r0 |
| libdwarf_project | libdwarf | >= 0 < 0.6.0-r0 | 0.6.0-r0 |
| libdwarf_project | libdwarf | >= 0 < 0.6.0-r0 | 0.6.0-r0 |
| libdwarf_project | libdwarf | >= 0 < 0.6.0-r0 | 0.6.0-r0 |
| libdwarf_project | libdwarf | >= 0 < 0.6.0-r0 | 0.6.0-r0 |
| libdwarf_project | libdwarf | >= 0 < 0.6.0-r0 | 0.6.0-r0 |
| msrc | azl3_libdwarf_0.9.0-1_on_azure_linux_3.0 | — | — |
| msrc | cbl2_libdwarf_0.9.0-3_on_cbl_mariner_2.0 | — | — |
| msrc | cbl2_libdwarf_0.9.0_on_cbl_mariner_2.0 | — | — |
CVSS provenance
nvdv3.06.5MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P
osv6.5MEDIUM
vendor_debian6.5LOW
vendor_msrc6.5MEDIUM
vendor_redhat6.5MEDIUM
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
GHSA
GHSA-vwmg-hgqp-857p: dwarf_elf_load_headers
ghsa_unreviewed·2022-05-24
CVE-2019-14249 [MEDIUM] CWE-369 GHSA-vwmg-hgqp-857p: dwarf_elf_load_headers
dwarf_elf_load_headers.c in libdwarf before 2019-07-05 allows attackers to cause a denial of service (division by zero) via an ELF file with a zero-size section group (SHT_GROUP), as demonstrated by dwarfdump.
OSV
CVE-2019-14249: dwarf_elf_load_headers
osv·2019-07-24·CVSS 6.5
CVE-2019-14249 [MEDIUM] CVE-2019-14249: dwarf_elf_load_headers
dwarf_elf_load_headers.c in libdwarf before 2019-07-05 allows attackers to cause a denial of service (division by zero) via an ELF file with a zero-size section group (SHT_GROUP), as demonstrated by dwarfdump.
Red Hat
libdwarf: division by zero in dwarf_elf_load_headers.c leading to DoS
vendor_redhat·2019-07-24·CVSS 6.5
CVE-2019-14249 [MEDIUM] CWE-369 libdwarf: division by zero in dwarf_elf_load_headers.c leading to DoS
libdwarf: division by zero in dwarf_elf_load_headers.c leading to DoS
dwarf_elf_load_headers.c in libdwarf before 2019-07-05 allows attackers to cause a denial of service (division by zero) via an ELF file with a zero-size section group (SHT_GROUP), as demonstrated by dwarfdump.
Package: libdwarf (Red Hat Enterprise Linux 7) - Will not fix
Package: libdwarf (Red Hat Enterprise Linux 8) - Will not fix
Microsoft
dwarf_elf_load_headers.c in libdwarf before 2019-07-05 allows attackers to cause a denial of service
vendor_msrc·2019-07-09·CVSS 6.5
CVE-2019-14249 [MEDIUM] dwarf_elf_load_headers.c in libdwarf before 2019-07-05 allows attackers to cause a denial of service
dwarf_elf_load_headers.c in libdwarf before 2019-07-05 allows attackers to cause a denial of service
FAQ: Is Azure Linux the only Microsoft product that includes this open-source library and is therefore potentially affected by this vulnerability?
One of the main benefits to our customers who choose to use the Azure Linux distro is the commitment to keep it up to date with the most recent and most secure versions of the open source libraries with which the distro is composed. Microsoft is committed to transparency in this work which is why we began publishing CSAF/VEX in October 2025. See this blog post for more information. If impact to additional products is identified, we will update the CVE to reflect this.
Mariner: Mariner
mitre: mitre
Customer Action Required: Yes
Remediation: C
Debian
CVE-2019-14249: dwarfutils - dwarf_elf_load_headers.c in libdwarf before 2019-07-05 allows attackers to cause...
vendor_debian·2019·CVSS 6.5
CVE-2019-14249 [MEDIUM] CVE-2019-14249: dwarfutils - dwarf_elf_load_headers.c in libdwarf before 2019-07-05 allows attackers to cause...
dwarf_elf_load_headers.c in libdwarf before 2019-07-05 allows attackers to cause a denial of service (division by zero) via an ELF file with a zero-size section group (SHT_GROUP), as demonstrated by dwarfdump.
Scope: local
bookworm: resolved
bullseye: resolved
forky: resolved
sid: resolved
trixie: resolved
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2019-14249 libdwarf: division by zero in dwarf_elf_load_headers.c leading to DoS [epel-6]
bugzilla·2019-07-24·CVSS 6.5
CVE-2019-14249 [MEDIUM] CVE-2019-14249 libdwarf: division by zero in dwarf_elf_load_headers.c leading to DoS [epel-6]
CVE-2019-14249 libdwarf: division by zero in dwarf_elf_load_headers.c leading to DoS [epel-6]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of epel-6.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
Discussion:
Use the following template
Bugzilla
CVE-2019-14249 libdwarf: division by zero in dwarf_elf_load_headers.c leading to DoS
bugzilla·2019-07-24·CVSS 6.5
CVE-2019-14249 [MEDIUM] CVE-2019-14249 libdwarf: division by zero in dwarf_elf_load_headers.c leading to DoS
CVE-2019-14249 libdwarf: division by zero in dwarf_elf_load_headers.c leading to DoS
dwarf_elf_load_headers.c in libdwarf before 2019-07-05 allows attackers to cause a denial of service (division by zero) via an ELF file with a zero-size section group (SHT_GROUP), as demonstrated by dwarfdump.
Upstream patch:
https://sourceforge.net/p/libdwarf/code/merge-requests/4/
Discussion:
Created libdwarf tracking bugs for this issue:
Affects: epel-6 [bug 1732721]
Affects: fedora-all [bug 1732720]
---
Can someone suggest a mechanism by which this libdwarf bug can result in anything bad to a system? Is there a privileged system service that takes untrusted dwarf input? What justifies this high CVSS3 rating?
cvss3=7.5/CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
---
I'm sorry, you expected a
Bugzilla
CVE-2019-14249 libdwarf: division by zero in dwarf_elf_load_headers.c leading to DoS [fedora-all]
bugzilla·2019-07-24·CVSS 6.5
CVE-2019-14249 [MEDIUM] CVE-2019-14249 libdwarf: division by zero in dwarf_elf_load_headers.c leading to DoS [fedora-all]
CVE-2019-14249 libdwarf: division by zero in dwarf_elf_load_headers.c leading to DoS [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multipl
http://www.securityfocus.com/bid/109380https://sourceforge.net/p/libdwarf/code/ci/cb7198abde46c2ae29957ad460da6886eaa606ba/tree/libdwarf/dwarf_elf_load_headers.c?diff=99e77c3894877a1dd80b82808d8309eded4e5599https://sourceforge.net/p/libdwarf/code/merge-requests/4/http://www.securityfocus.com/bid/109380https://sourceforge.net/p/libdwarf/code/ci/cb7198abde46c2ae29957ad460da6886eaa606ba/tree/libdwarf/dwarf_elf_load_headers.c?diff=99e77c3894877a1dd80b82808d8309eded4e5599https://sourceforge.net/p/libdwarf/code/merge-requests/4/
2019-07-24
Published