inftrees.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact by leveraging improper pointer arithmetic.
- BDU:2017-02382
- ALSA-2025:8395
- DLA-1725-1
- DLA-2085-1
- openSUSE-SU-2024:10876-1
- RHSA-2017:1220
- RHSA-2017:1221
- RHSA-2017:1222
- RHSA-2017:2999
- RHSA-2017:3046
- RHSA-2017:3047
- RHSA-2017:3453
- RHSA-2025:10541
- RHSA-2025:11048
- RHSA-2025:12013
- RHSA-2025:13947
- RHSA-2025:8314
- RHSA-2025:8395
- RLSA-2025:8395
- SUSE-SU-2016:3209-1
- Published
- May 23, 2017
- Updated
- Jul 14, 2026
- EPSS
- 4.8% · 92th percentile
- CWE
- —
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Report tools
Action score
36
Monitor
Low priority for now.
- CVSS
- 35 / 40 · 8.8 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 1 / 30 · 4.8%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| zlib | zlib | cpe:2.3:a:zlib:zlib |
| boost | boost | cpe:2.3:a:boost:boost |
| opensuse | leap | cpe:2.3:o:opensuse:leap |
| opensuse | opensuse | cpe:2.3:o:opensuse:opensuse |
| debian | debian linux | cpe:2.3:o:debian:debian_linux |
| canonical | ubuntu linux | cpe:2.3:o:canonical:ubuntu_linux |
| oracle | database server | cpe:2.3:a:oracle:database_server |
| oracle | jdk | cpe:2.3:a:oracle:jdk |
| oracle | jre | cpe:2.3:a:oracle:jre |
| oracle | mysql | cpe:2.3:a:oracle:mysql |
| redhat | satellite | cpe:2.3:a:redhat:satellite |
| redhat | enterprise linux desktop | cpe:2.3:o:redhat:enterprise_linux_desktop |
and 8 more
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- nodejs node.js4.0.0 and later · up to 4.1.2 inclusive
- nodejs node.js7.0.0 and later · before 7.6.0
- nodejs node.js6.9.0 and later · before 6.10.2
- nodejs node.js6.0.0 and later · up to 6.8.1 inclusive
- nodejs node.js4.2.0 and later · before 4.8.2
- oracle jdk1.6.0
- oracle jdk1.7.0
- oracle jdk1.8.0
- oracle jre1.6.0
- oracle jre1.7.0
- oracle jre1.8.0
- oracle mysql5.5.0 and later · up to 5.5.61 inclusive
- oracle mysql8.0.0 and later · up to 8.0.12 inclusive
- oracle mysql5.7.0 and later · up to 5.7.23 inclusive
- oracle mysql5.6.0 and later · up to 5.6.41 inclusive
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| AlmaLinux:8 | rsync | before 3.1.3-23.el8_10 | 3.1.3-23.el8_10 |
| AlmaLinux:8 | rsync-daemon | before 3.1.3-23.el8_10 | 3.1.3-23.el8_10 |
| Alpine:v3.3 | zlib | from 1.2.0.6 · before 1.2.11-r0 | 1.2.11-r0 |
| Alpine:v3.5 | perl | before 5.24.3-r1 | 5.24.3-r1 |
| Debian:12 | rsync | before 3.1.3-6 | 3.1.3-6 |
| Debian:12 | zlib | before 1:1.2.8.dfsg-3 | 1:1.2.8.dfsg-3 |
| Debian:8 | rsync | before 3.1.1-3+deb8u2 | 3.1.1-3+deb8u2 |
| Debian:8 | zlib | before 1:1.2.8.dfsg-2+deb8u1 | 1:1.2.8.dfsg-2+deb8u1 |
| openSUSE:Tumbleweed | java-1_8_0-openjdk | before 1.8.0.302-2.2 | 1.8.0.302-2.2 |
| Red Hat:enterprise_linux:8::baseos | rsync | before 0:3.1.3-23.el8_10 | 0:3.1.3-23.el8_10 |
| Red Hat:enterprise_linux:8::baseos | rsync-daemon | before 0:3.1.3-23.el8_10 | 0:3.1.3-23.el8_10 |
| Red Hat:enterprise_linux:8::baseos | rsync-debuginfo | before 0:3.1.3-23.el8_10 | 0:3.1.3-23.el8_10 |
| Red Hat:enterprise_linux:8::baseos | rsync-debugsource | before 0:3.1.3-23.el8_10 | 0:3.1.3-23.el8_10 |
| Red Hat:network_satellite:5.8::el6 | java-1.8.0-ibm | before 1:1.8.0.5.5-1jpp.1.el6_9 | 1:1.8.0.5.5-1jpp.1.el6_9 |
| Red Hat:network_satellite:5.8::el6 | java-1.8.0-ibm-devel | before 1:1.8.0.5.5-1jpp.1.el6_9 | 1:1.8.0.5.5-1jpp.1.el6_9 |
| Red Hat:rhel_aus:8.2::baseos | rsync | before 0:3.1.3-7.el8_2.5 | 0:3.1.3-7.el8_2.5 |
| Red Hat:rhel_aus:8.2::baseos | rsync-daemon | before 0:3.1.3-7.el8_2.5 | 0:3.1.3-7.el8_2.5 |
| Red Hat:rhel_aus:8.2::baseos | rsync-debuginfo | before 0:3.1.3-7.el8_2.5 | 0:3.1.3-7.el8_2.5 |
| Red Hat:rhel_aus:8.2::baseos | rsync-debugsource | before 0:3.1.3-7.el8_2.5 | 0:3.1.3-7.el8_2.5 |
| Red Hat:rhel_aus:8.4::baseos | rsync | before 0:3.1.3-12.el8_4.5 | 0:3.1.3-12.el8_4.5 |
| Red Hat:rhel_aus:8.4::baseos | rsync-daemon | before 0:3.1.3-12.el8_4.5 | 0:3.1.3-12.el8_4.5 |
| Red Hat:rhel_aus:8.4::baseos | rsync-debuginfo | before 0:3.1.3-12.el8_4.5 | 0:3.1.3-12.el8_4.5 |
| Red Hat:rhel_aus:8.4::baseos | rsync-debugsource | before 0:3.1.3-12.el8_4.5 | 0:3.1.3-12.el8_4.5 |
| Red Hat:rhel_aus:8.6::baseos | rsync | before 0:3.1.3-14.el8_6.8 | 0:3.1.3-14.el8_6.8 |
+96
Same product
zlib: all recordsOther highest-scoring records for the same primary product.
- CVE-2018-25032zlib before 1.2.12 allows memory corruption when deflating (i.e., when compressing) if the input has many distant matches.46Plan
- CVE-2022-37434zlib through 1.2.12 has a heap-based buffer over-read or buffer overflow in inflate in inflate.c via a large gzip header extra field.45Plan
- CVE-2002-0059The decompression algorithm in zlib 1.1.3 and earlier, as used in many different utilities and packages, causes inflateEnd to release certai42Plan
- CVE-2016-9843The crc32_big function in crc32.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact via vectors involving big41Plan
- CVE-2016-9841inffast.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact by leveraging improper pointer arithmetic.41Plan
- CVE-2023-45853MiniZip in zlib through 1.3 has an integer overflow and resultant heap-based buffer overflow in zipOpenNewFileInZip4_64 via a long filename,40Plan
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| almalinux:rsync | 3.1.3-23.el8_10 · AlmaLinux:8 | Package registry (OSV) |
| almalinux:rsync-daemon | 3.1.3-23.el8_10 · AlmaLinux:8 | Package registry (OSV) |
| alpine:perl | 5.24.3-r1 · Alpine:v3.5 | Package registry (OSV) |
| alpine:zlib | 1.2.11-r0 · Alpine:v3.3 | Package registry (OSV) |
| debian:rsync | 3.1.3-6 · Debian:12 | Package registry (OSV) |
| debian:zlib | 1:1.2.8.dfsg-3 · Debian:12 | Package registry (OSV) |
| opensuse:boost | 1.66.0-150200.12.7.1 · openSUSE:Leap 15.6 | Package registry (OSV) |
| opensuse:boost-base | 1.66.0-150200.12.7.1 · openSUSE:Leap 15.6 | Package registry (OSV) |
| opensuse:java-1_8_0-openjdk | 1.8.0.302-2.2 · openSUSE:Tumbleweed | Package registry (OSV) |
| red hat:java-1.7.1-ibm | 1:1.7.1.4.5-1jpp.2.el6_9 · Red Hat:rhel_extras:6 | Package registry (OSV) |
| red hat:java-1.7.1-ibm-demo | 1:1.7.1.4.5-1jpp.2.el6_9 · Red Hat:rhel_extras:6 | Package registry (OSV) |
| red hat:java-1.7.1-ibm-devel | 1:1.7.1.4.5-1jpp.2.el6_9 · Red Hat:rhel_extras:6 | Package registry (OSV) |
| red hat:java-1.7.1-ibm-jdbc | 1:1.7.1.4.5-1jpp.2.el6_9 · Red Hat:rhel_extras:6 | Package registry (OSV) |
| red hat:java-1.7.1-ibm-plugin | 1:1.7.1.4.5-1jpp.2.el6_9 · Red Hat:rhel_extras:6 | Package registry (OSV) |
| red hat:java-1.7.1-ibm-src | 1:1.7.1.4.5-1jpp.2.el6_9 · Red Hat:rhel_extras:6 | Package registry (OSV) |
| red hat:java-1.8.0-ibm | 1:1.8.0.4.5-1jpp.1.el6_9 · Red Hat:rhel_extras:6 | Package registry (OSV) |
| red hat:java-1.8.0-ibm-demo | 1:1.8.0.4.5-1jpp.1.el6_9 · Red Hat:rhel_extras:6 | Package registry (OSV) |
| red hat:java-1.8.0-ibm-devel | 1:1.8.0.4.5-1jpp.1.el6_9 · Red Hat:rhel_extras:6 | Package registry (OSV) |
| red hat:java-1.8.0-ibm-jdbc | 1:1.8.0.4.5-1jpp.1.el6_9 · Red Hat:rhel_extras:6 | Package registry (OSV) |
| red hat:java-1.8.0-ibm-plugin | 1:1.8.0.4.5-1jpp.1.el6_9 · Red Hat:rhel_extras:6 | Package registry (OSV) |
| red hat:java-1.8.0-ibm-src | 1:1.8.0.4.5-1jpp.1.el6_9 · Red Hat:rhel_extras:6 | Package registry (OSV) |
| rocky linux:rsync | 0:3.1.3-23.el8_10 · Rocky Linux:8 | Package registry (OSV) |
| suse:boost | 1.66.0-150200.12.7.1 · SUSE:Linux Enterprise Module for Basesystem 15 SP6 | Package registry (OSV) |
| suse:boost-base | 1.66.0-150200.12.7.1 · SUSE:Linux Enterprise Micro 5.3 | Package registry (OSV) |
| suse:java-1_6_0-ibm | 1.6.0_sr16.45-49.1 · SUSE:Linux Enterprise Module for Legacy 12 | Package registry (OSV) |
| suse:java-1_7_0-ibm | 1.7.0_sr10.5-64.1 · SUSE:Linux Enterprise Point of Sale 11 SP3 | Package registry (OSV) |
| suse:java-1_7_0-openjdk | 1.7.0.161-43.7.6 · SUSE:OpenStack Cloud 6 | Package registry (OSV) |
| suse:java-1_7_1-ibm | 1.7.1_sr4.5-37.1 · SUSE:Linux Enterprise Server for SAP Applications 12 | Package registry (OSV) |
| suse:java-1_8_0-ibm | 1.8.0_sr4.5-29.1 · SUSE:Linux Enterprise Software Development Kit 12 SP1 | Package registry (OSV) |
| suse:java-1_8_0-openjdk | 1.8.0.151-27.8.1 · SUSE:OpenStack Cloud 6 | Package registry (OSV) |
+1
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- A user must open a link or visit a page.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
—
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- lists.opensuse.org/opensuse-updates/2016-12/msg00127.html
- lists.opensuse.org/opensuse-updates/2017-01/msg00050.html
- lists.opensuse.org/opensuse-updates/2017-01/msg00053.html
- www.openwall.com/lists/oss-security/2016/12/05/21
- www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
- www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
- www.securityfocus.com/bid/95131
- www.securitytracker.com/id/1039427
- access.redhat.com/errata/RHSA-2017:1220
- access.redhat.com/errata/RHSA-2017:1221
- access.redhat.com/errata/RHSA-2017:1222
- access.redhat.com/errata/RHSA-2017:2999
- access.redhat.com/errata/RHSA-2017:3046
- access.redhat.com/errata/RHSA-2017:3047
- access.redhat.com/errata/RHSA-2017:3453
- bugzilla.redhat.com/show_bug.cgi?id=1402345
- github.com/madler/zlib/commit/6a043145ca6e9c55184013841a67b2fef87e44c0
- lists.debian.org/debian-lts-announce/2019/03/msg00027.html
- lists.debian.org/debian-lts-announce/2020/01/msg00030.html
- security.gentoo.org/glsa/201701-56
Vendor advisories and official records. Exploit/PoC links are deliberately left out.