CVE-2017-9304
libyara/re.c in the regexp module in YARA 3.5.0 allows remote attackers to cause a denial of...
libyara/re.c in the regexp module in YARA 3.5.0 allows remote attackers to cause a denial of service (stack consumption) via a crafted rule that is mishandled in the _yr_re_emit function.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
libyara/re.c in the regexp module in YARA 3.5.0 allows remote attackers to cause a denial of service (stack consumption) via a crafted rule that is mishandled in the _yr_re_emit function.
- Record
CVE-2017-9304- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-674
- Updated
- 2026-11-02
CVE List No score
libyara/re.c in the regexp module in YARA 3.5.0 allows remote attackers to cause a denial of service (stack consumption) via a crafted rule that is mishandled in the _yr_re_emit function.
- Record
CVE-2017-9304- Updated
- 2026-11-02
EUVDEUVD-2017-18239 No score
libyara/re.c in the regexp module in YARA 3.5.0 allows remote attackers to cause a denial of service (stack consumption) via a crafted rule that is mishandled in the _yr_re_emit function.
- Record
EUVD-2017-18239- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cvvq-777c-65v4
libyara/re.c in the regexp module in YARA 3.5.0 allows remote attackers to cause a denial of...
libyara/re.c in the regexp module in YARA 3.5.0 allows remote attackers to cause a denial of service (stack consumption) via a crafted rule that is mishandled in the _yr_re_emit function.
- Record
GHSA-cvvq-777c-65v4- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-674
- Updated
- 2026-11-02
OSV
libyara/re.c in the regexp module in YARA 3.5.0 allows remote attackers to cause a denial of service (stack consumption) via a crafted rule that is mishandled in the _yr_re_emit function.
- Record
CVE-2017-9304- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2017-9304
libyara/re.c in the regexp module in YARA 3.5.0 allows remote attackers to cause a denial of service (stack consumption) via a crafted rule that is mishandled in the _yr_re_emit function.
- Record
DEBIAN-CVE-2017-9304- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2017-9304
libyara/re.c in the regexp module in YARA 3.5.0 allows remote attackers to cause a denial of service (stack consumption) via a crafted rule that is mishandled in the _yr_re_emit function.
- Record
UBUNTU-CVE-2017-9304- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVopenSUSE-SU-2024:11530-1 No score
libyara-devel-4.1.1-1.2 on GA media
These are all security issues fixed in the libyara-devel-4.1.1-1.2 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:11530-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
yaraDebian:12 |
before 3.6.1+dfsg-1 | 3.6.1+dfsg-1 |
yaraDebian:13 |
before 3.6.1+dfsg-1 | 3.6.1+dfsg-1 |
yaraDebian:14 |
before 3.6.1+dfsg-1 | 3.6.1+dfsg-1 |
yaraUbuntu:Pro:16.04:LTS |
before 3.4.0+dfsg-2ubuntu0.1~esm1, plus listed versions 3.4.0+dfsg-23.4.0+dfsg-2build1 |
3.4.0+dfsg-2ubuntu0.1~esm1 |
yaraopenSUSE:Tumbleweed |
before 4.1.1-1.2 | 4.1.1-1.2 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-9304 is a high vulnerability (CVSS 7.5) in Virustotal Yara, published May 31, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.83%, the 78th percentile. Fixed in yara 3.6.1+dfsg-1.