9.8

CVE-2016-9843: apple iphone_os

Modified
AliasesALPINE-CVE-2016-9843UBUNTU-CVE-2016-9843DEBIAN-CVE-2016-9843
Published 23-05-2017Last modified 06-08-2024

Vulnerability summary

CVE-2016-9843 is a critical (CVSS 9.8) vulnerability in apple iphone_os. EPSS estimates a 5.77% chance of exploitation in the next 30 days, higher than 93% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 9.8 (NVD); no exploitation reported by the 5 checked sources; EPSS 6% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
5.77%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 38 · Related 34
DLA-1725-1DLA-2085-1MGASA-2018-0469MGASA-2020-0108OPENSUSE-SU-2019:0327-1OPENSUSE-SU-2024:10876-1

Timeline

  1. 23-05-2017
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The crc32_big function in crc32.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact via vectors involving big-endian CRC calculation.

CVSS metrics

6 scores · 5 sources · 2 versions

EPSS trend

Probability

5.77%

Chance of exploitation in the next 30 days

Percentile

93%

Versus all other CVEs

30-day change

No change 0.00 pp

From 5.77% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Chainguard22 products
  • mysql-8.0< 8.0.38-r0
  • mysql-8.0-client< 8.0.38-r0
  • mysql-8.0-dev< 8.0.38-r0
  • mysql-8.0-iamguarded-compat< 8.0.38-r0
  • mysql-8.0-oci-entrypoint< 8.0.38-r0
Redhat5 products
Apple4 products
Netapp4 products
Oracle4 products
  • database_server18c
  • jdk1.6.0:update161 | 1.7.0:update151 | 1.8.0:update144
  • jre1.6.0:update161 | 1.7.0:update151 | 1.8.0:update144
  • mysql≥ 5.5.0, ≤ 5.5.61 | ≥ 5.6.0, ≤ 5.6.41 | ≥ 5.7.0, ≤ 5.7.23 | ≥ 8.0.0, ≤ 8.0.12
Ubuntu4 products
  • klibc< 2.0.3-0ubuntu1.14.04.3+esm4 | < 2.0.4-8ubuntu1.16.04.4+esm3 | < 2.0.4-9ubuntu2.2+esm2 | < 2.0.7-1ubuntu5.2+esm1 | < 2.0.10-4ubuntu0.2 | < 2.0.13-4ubuntu0.2 | < 2.0.14-1ubuntu1.1 | < 2.0.14-1ubuntu2
  • rsync< 3.1.1-3ubuntu1.3 | < 3.1.2-2.1ubuntu1.1 | < 3.1.3-6
  • zlibAll versions (No fix recorded) | < 1:1.2.8.dfsg-2ubuntu4.3
  • zsyncAll versions (No fix recorded)
Alpine3 products
  • mariadb≥ 5.5.0, < 10.3.11-r0 | ≥ 5.5.0, < 10.1.37-r0 | ≥ 5.5.0, < 10.2.19-r0
  • perl< 5.24.3-r1
  • zlib≥ 1.2.0, < 1.2.11-r0
Debian3 products
Opensuse2 products
Canonical1 product
Mariadb1 product
  • mariadb≥ 5.5.0, < 5.5.62 | ≥ 10.0.0, < 10.0.37 | ≥ 10.1.0, < 10.1.37 | ≥ 10.2.0, < 10.2.19 | ≥ 10.3.0, < 10.3.11
Nodejs1 product
  • node.js≥ 4.0.0, ≤ 4.1.2 | ≥ 4.2.0, < 4.8.2 | ≥ 6.0.0, ≤ 6.8.1 | ≥ 6.9.0, < 6.10.2 | ≥ 7.0.0, < 7.6.0
Zlib1 product
  • zlib≥ 1.2.0, < 1.2.9

13 vendors · 55 products

References

41 links
Show all 41 references