CVE-2016-2335
The CInArchive::ReadFileItem method in Archive/Udf/UdfIn.cpp in 7zip 9.20 and 15.05 beta and...
The CInArchive::ReadFileItem method in Archive/Udf/UdfIn.cpp in 7zip 9.20 and 15.05 beta and p7zip allows remote attackers to cause a denial of service (out-of-bounds read) or execute arbitrary code via the PartitionRef field in the Long Allocation Descriptor in a UDF file.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
8.8
The CInArchive::ReadFileItem method in Archive/Udf/UdfIn.cpp in 7zip 9.20 and 15.05 beta and p7zip allows remote attackers to cause a denial of service (out-of-bounds read) or execute arbitrary code via the PartitionRef field in the Long Allocation Descriptor in a UDF file.
- Record
CVE-2016-2335- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
The CInArchive::ReadFileItem method in Archive/Udf/UdfIn.cpp in 7zip 9.20 and 15.05 beta and p7zip allows remote attackers to cause a denial of service (out-of-bounds read) or execute arbitrary code via the PartitionRef field in the Long Allocation Descriptor in a UDF file.
- Record
CVE-2016-2335- Updated
- 2026-11-02
EUVDEUVD-2016-3419 No score
The CInArchive::ReadFileItem method in Archive/Udf/UdfIn.cpp in 7zip 9.20 and 15.05 beta and p7zip allows remote attackers to cause a denial of service (out-of-bounds read) or execute arbitrary code via the PartitionRef field in the Long Allocation Descriptor in a UDF file.
- Record
EUVD-2016-3419- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-p2xg-m23c-2mm9
8.8
The CInArchive::ReadFileItem method in Archive/Udf/UdfIn.cpp in 7zip 9.20 and 15.05 beta and...
The CInArchive::ReadFileItem method in Archive/Udf/UdfIn.cpp in 7zip 9.20 and 15.05 beta and p7zip allows remote attackers to cause a denial of service (out-of-bounds read) or execute arbitrary code via the PartitionRef field in the Long Allocation Descriptor in a UDF file.
- Record
GHSA-p2xg-m23c-2mm9- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-119
- Updated
- 2026-11-02
OSV
8.8
The CInArchive::ReadFileItem method in Archive/Udf/UdfIn.cpp in 7zip 9.20 and 15.05 beta and p7zip allows remote attackers to cause a denial of service (out-of-bounds read) or execute arbitrary code via the PartitionRef field in the Long Allocation Descriptor in a UDF file.
- Record
CVE-2016-2335- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2016-2335
8.8
The CInArchive::ReadFileItem method in Archive/Udf/UdfIn.cpp in 7zip 9.20 and 15.05 beta and p7zip allows remote attackers to cause a denial of service (out-of-bounds read) or execute arbitrary code via the PartitionRef field in the Long Allocation Descriptor in a UDF file.
- Record
DEBIAN-CVE-2016-2335- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Show 5 moreShow less
OSVUBUNTU-CVE-2016-2335
8.8
The CInArchive::ReadFileItem method in Archive/Udf/UdfIn.cpp in 7zip 9.20 and 15.05 beta and p7zip allows remote attackers to cause a denial of service (out-of-bounds read) or execute arbitrary code via the PartitionRef field in the Long Allocation Descriptor in a UDF file.
- Record
UBUNTU-CVE-2016-2335- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVMGASA-2016-0202 No score
Updated p7zip packages fix CVE-2016-2335
Updated p7zip package fixes security vulnerability:
An out of bound read vulnerability exists in the CInArchive::ReadFileItem method functionality of 7zip for handling UDF files that can lead to denial of service or code execution (CVE-2016-2335).
- Record
MGASA-2016-0202- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10322-1 No score
p7zip-16.02-2.1 on GA media
These are all security issues fixed in the p7zip-16.02-2.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10322-1- Updated
- 2026-11-02
OSVSUSE-SU-2016:1593-1 No score
Security update for p7zip
This update for p7zip fixes the following issues:
- add p7zip-9.20.1-CVE-2016-2335.patch to fix 7zip UDF CInArchive::ReadFileItem code execution vulnerability [bsc#979823], [CVE-2016-2335]
- Record
SUSE-SU-2016:1593-1- Updated
- 2026-11-02
OSVUSN-3913-1 No score
p7zip vulnerabilities
It was discovered that p7zip did not correctly handle certain malformed archives. If a user or automated system were tricked into processing a specially crafted archive with p7zip, then p7zip could be made to crash, possibly leading to abitrary code execution.
- Record
USN-3913-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
p7zipDebian:12 |
before 15.14.1+dfsg-2 | 15.14.1+dfsg-2 |
p7zipDebian:13 |
before 15.14.1+dfsg-2 | 15.14.1+dfsg-2 |
p7zipDebian:7 |
before 9.20.1~dfsg.1-4+deb7u2, plus listed versions 9.20.1~dfsg.1-49.20.1~dfsg.1-4+deb7u1 |
9.20.1~dfsg.1-4+deb7u2 |
p7zipDebian:8 |
before 9.20.1~dfsg.1-4.1+deb8u2, plus listed versions 9.20.1~dfsg.1-4.19.20.1~dfsg.1-4.1+deb8u1 |
9.20.1~dfsg.1-4.1+deb8u2 |
p7zipMageia:5 |
before 9.20.1-6.2.mga5 | 9.20.1-6.2.mga5 |
p7zipSUSE:Linux Enterprise Desktop 12 |
before 9.20.1-6.1 | 9.20.1-6.1 |
p7zipSUSE:Linux Enterprise Desktop 12 SP1 |
before 9.20.1-6.1 | 9.20.1-6.1 |
p7zipSUSE:Linux Enterprise Server 12 |
before 9.20.1-6.1 | 9.20.1-6.1 |
p7zipSUSE:Linux Enterprise Server for SAP Applications 12 |
before 9.20.1-6.1 | 9.20.1-6.1 |
p7zipSUSE:Linux Enterprise Server 12 SP1 |
before 9.20.1-6.1 | 9.20.1-6.1 |
Show 4 moreShow less
| Package | Affected | Fixed |
|---|---|---|
p7zipSUSE:Linux Enterprise Server for SAP Applications 12 SP1 |
before 9.20.1-6.1 | 9.20.1-6.1 |
p7zipUbuntu:14.04:LTS |
before 9.20.1~dfsg.1-4+deb7u2build0.14.04.1, plus listed versions 9.20.1~dfsg.1-49.20.1~dfsg.1-4+deb7u1build0.14.04.1 |
9.20.1~dfsg.1-4+deb7u2build0.14.04.1 |
p7zipUbuntu:16.04:LTS |
before 9.20.1~dfsg.1-4.2ubuntu0.1, plus listed versions 9.20.1~dfsg.1-4.2 |
9.20.1~dfsg.1-4.2ubuntu0.1 |
p7zipopenSUSE:Tumbleweed |
before 16.02-2.1 | 16.02-2.1 |
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-2016-2335 is a high vulnerability (CVSS 8.8) in 7-zip, published May 21, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 9.79%, the 95th percentile. Fixed in p7zip 15.14.1+dfsg-2.
References
lists.opensuse.org/opensuse-updates/2016-07/msg00069.html
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DTGWICT3KYYDPDXRNO5SXD32GZICGRIR
lists.opensuse.org/opensuse-updates/2016-06/msg00004.html
blog.talosintel.com/2016/05/multiple-7-zip-vulnerabilities.html
securityfocus.com/bid/90531
security.gentoo.org/glsa/201701-27
Show 24 moreShow less
securitytracker.com/id/1035876
lists.opensuse.org/opensuse-updates/2016-06/msg00098.html
talosintel.com/reports/TALOS-2016-0094
debian.org/security/2016/dsa-3599
oracle.com/technetwork/topics/security/bulletinoct2016-3090566.html
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DNYIQAU3FKFBNFPK6GKYTSVRHQA7PTYT
usn.ubuntu.com/3913-1
nvd.nist.gov/vuln/detail/CVE-2016-2335
lists.fedoraproject.org/archives/list/[email protected]/message/DNYIQAU3FKFBNFPK6GKYTSVRHQA7PTYT
lists.fedoraproject.org/archives/list/[email protected]/message/DTGWICT3KYYDPDXRNO5SXD32GZICGRIR
github.com/advisories/GHSA-p2xg-m23c-2mm9
security-tracker.debian.org/tracker/CVE-2016-2335
advisories.mageia.org/MGASA-2016-0202.html
bugs.mageia.org/show_bug.cgi?id=18490
suse.com/support/update/announcement/2016/suse-su-20161593-1
bugzilla.suse.com/979823
suse.com/security/cve/CVE-2016-2335
ubuntu.com/security/CVE-2016-2335
ubuntu.com/security/notices/USN-3913-1
cve.org/CVERecord?id=CVE-2016-2335
ubuntu.com/security/CVE-2017-17969
suse.com/security/cve/CVE-2015-1038
suse.com/security/cve/CVE-2016-2334
suse.com/security/cve/CVE-2016-9296