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Fencer Vulns
high 7.5

CVE-2018-14883 json

An issue was discovered in PHP before 5.6.37, 7.0.x before 7.0.31, 7.1.x before 7.1.20, and 7.2.x before 7.2.8.

published 2018-08-03 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-6765

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
8.9%
EPSS 8.9% chance of exploitation in 30 days, percentile 95%
public exploits
0
none known

Summary

An issue was discovered in PHP before 5.6.37, 7.0.x before 7.0.31, 7.1.x before 7.1.20, and 7.2.x before 7.2.8. An Integer Overflow leads to a heap-based buffer over-read in exif_thumbnail_extract of exif.c.

Patch / fix

  • php php 5.6.37, 7.0.31, 7.1.20, 7.2.8
  • php5 Ubuntu 14.04 LTS 5.5.9+dfsg-1ubuntu4.26
  • php7.0 Ubuntu 16.04 LTS 7.0.32-0ubuntu0.16.04.1
  • php7.2 Ubuntu 18.04 LTS 7.2.10-0ubuntu0.18.04.1

ubuntu advisories UBUNTU-CVE-2018-14883

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • php53 SLES for SAP 11 SP4, SLES 11 SP4, SLE Software Development Kit 11 SP4 5.3.17-112.38.1

suse advisories SUSE-SU-2018:2681-1

  • php5 Alpine 3.8, Alpine 3.7, Alpine 3.6 +1 more 5.6.37-r0
  • php7 Alpine 3.7 7.1.29-r0

alpine advisories ALPINE-CVE-2018-14883

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-14883 updated cvss 5.9

php: exif: integer overflow leading to out-of-bound buffer read in exif_thumbnail_extract()

  • Red Hat Enterprise Linux 5 php, php53 Red Hat Enterprise Linux 6 php, php-gd, php-cli, php-dba, php-fpm, php-pdo, +20 more
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux 7 php, php-gd, php-cli, php-dba, php-fpm, php-pdo, +18 more Red Hat Enterprise Linux 8 php, libzip, php-gd, php-cli, php-dba, php-dbg, +30 more Red Hat Software Collections rh-php70-php, rh-php71-php, rh-php72-php, rh-php70-php-gd, rh-php71-php-gd, rh-php72-php-gd, +80 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

cisa ICSA-26-027-02 updated cvss 7.5

Festo Didactic SE MES PC

  • Festo Didactic SE MES PC shipped_with_Windows_10
    affected: vendor fix

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

Exploit prediction

8.86% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • bugs.php.net https://bugs.php.net/bug.php?id=76423 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.