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Public proof of conceptFix available

CVE-2017-5465

A public proof of concept exists; no exploitation attested.

  • Published2018-06-11
  • Fixed in53.0 · 45.9.0
  • WeaknessCWE-125

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An out-of-bounds read while processing SVG content in "ConvolvePixel". This results in a crash and also allows for otherwise inaccessible memory being copied into SVG graphic content, which could then displayed. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

Timeline

dates in UTC
  1. 2017-05-25Exploit-DB entryExploit-DB

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2017-5465?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2017-5465?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Mozilla firefox
BranchAffectedFixed in
53.0< 53.053.0
45.9< 45.9.045.9.0
52.0= 52.0no fix published
Redhat enterprise linux server eus
BranchAffectedFixed in
7.3= 7.3no fix published
7.4= 7.4no fix published
7.5= 7.5no fix published
Redhat enterprise linux
BranchAffectedFixed in
6.0= 6.0no fix published
7.0= 7.0no fix published

6 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • firefoxUbuntu:16.04:LTSall versions · fixed in 53.0+build6-0ubuntu0.16.04.1
  • firefoxUbuntu:14.04:LTSall versions · fixed in 53.0+build6-0ubuntu0.14.04.1
  • firefoxRed Hat:enterprise_linux:7::workstationall versions · fixed in 0:52.1.0-2.el7_3and 1 other package
  • firefoxRed Hat:enterprise_linux:7::serverall versions · fixed in 0:52.1.0-2.el7_3and 1 other package
  • firefoxRed Hat:enterprise_linux:7::clientall versions · fixed in 0:52.1.0-2.el7_3and 1 other package
  • firefoxRed Hat:enterprise_linux:6::workstationall versions · fixed in 0:52.1.0-2.el6_9and 1 other package
  • firefoxRed Hat:enterprise_linux:6::serverall versions · fixed in 0:52.1.0-2.el6_9and 1 other package
  • firefoxRed Hat:enterprise_linux:6::computenodeall versions · fixed in 0:52.1.0-2.el6_9and 1 other package

133 more package ranges on OSV.dev

Vendor advisories

  • CVE-2017-5465 Red Hat Product Security241 products fixed · 2 known affected

    Mozilla: Out-of-bounds read in ConvolvePixel (MFSA 2017-11, MFSA 2017-12)

    firefox as a component of Red Hat Enterprise Linux 5 · thunderbird as a component of Red Hat Enterprise Linux 5

  • RHSA-2017:1201 Red Hat Product Security32 products fixed

    Red Hat Security Advisory: thunderbird security update

  • RHSA-2017:1106 Red Hat Product Security27 products fixed

    Red Hat Security Advisory: firefox security update

  • RHSA-2017:1104 Red Hat Product Security34 products fixed

    Red Hat Security Advisory: firefox security update

Full record on NVD

Fix

  1. Update Mozilla firefox to 53.0 · 45.9.0
  2. Vendor fix Red Hat Product Security RHSA-2017:1201 · 32 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.
  3. Vendor fix Red Hat Product Security RHSA-2017:1106 · 27 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.
  4. No fix planned, says the vendor Red Hat Product Security CVE-2017-5465 · 2 productsWill not fix

Advisories and patches

Detection

read 2026-11-03 22:42 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
EDB-42072
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVSS 3.09.1read 2026-10-23
  • NVDCVSS 2.06.4read 2026-10-23
  • NVDweakness (CWE)CWE-125read 2026-10-23
  • FIRST EPSSEPSS score18.2 %read 2026-11-03
  • Exploit-DBdetectionread 2026-11-03
  • OSVaffected packages—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Published
2018-06-11
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2017-5465?

An out-of-bounds read while processing SVG content in "ConvolvePixel". This results in a crash and also allows for otherwise inaccessible memory being copied into SVG graphic content, which could then displayed. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

Is CVE-2017-5465 actively exploited?

Active exploitation of CVE-2017-5465 has not been confirmed. Its EPSS score was 18.2% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2017-5465?

CVE-2017-5465 has a CVSS v3 base score of 9.1 (CRITICAL severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

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