CVE-2018-8905

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-13. NVD baseline CVSS 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 3%CVSS: 8.8Exploit: None knownExposed: 0

A fix is available — apply it.

In LibTIFF 4.0.9, a heap-based buffer overflow occurs in the function LZWDecodeCompat in tif_lzw.c via a crafted TIFF file, as demonstrated by tiff2ps.

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
45(Track)
EG Risk 45/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity88% × 45%
Exploitation3% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
3%
EPSS %ILE
87%
KEV
Not listed

Published

March 22, 2018

Last Modified

November 21, 2024

Advisory Details (8)

Auto-updated Aug 17, 2026
Patch available. Sources: redhat.
generic

Bug 2780 – A heap-buffer-overflow in function LZWDecodeCompat in libtiff4.0.9 (CVE-2018-8905)

http://bugzilla.maptools.org/show_bug.cgi?id=2780
generic

[SECURITY] [DSA 4349-1] tiff security update

https://www.debian.org/security/2018/dsa-4349
generic Patch Available

[SECURITY] [DLA 1411-1] tiff security update

https://lists.debian.org/debian-lts-announce/2018/07/msg00002.html
generic Patch Available

[SECURITY] [DLA 1378-1] tiff3 security update

https://lists.debian.org/debian-lts-announce/2018/05/msg00009.html
generic Patch Available

[SECURITY] [DLA 1377-1] tiff security update

https://lists.debian.org/debian-lts-announce/2018/05/msg00008.html
generic

LZWDecodeCompat(): fix potential index-out-of-bounds write. Fixes... (58a898cb) · Commits · libtiff / libtiff · GitLab

https://gitlab.com/libtiff/libtiff/commit/58a898cb4459055bb488ca815c23b880c242a27d
generic

POCs/libtiff-4.08_tiff2ps_heap_overflow at master · halfbitteam/POCs · GitHub

https://github.com/halfbitteam/POCs/tree/master/libtiff-4.08_tiff2ps_heap_overflow
redhat Patch Available

Affected: Red Hat Enterprise Linux 7.

https://access.redhat.com/errata/RHSA-2019:2053

Patch Availability(2)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulibtiffxx5 (4.0.3-7ubuntu0.10) @ trusty2026-05-28ubuntu
redhatlibtiff-0:4.0.3-32.el72019-08-06redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(29 across 28 ecosystems)
Debian:7(2)
PackageVulnerable rangeFixed inDependents
tiff4.0.2-6 ... 4.0.2-6+deb7u9 (20 versions)4.0.2-6+deb7u20—
tiff33.9.6-11 ... 3.9.6-11+deb7u9 (11 versions)3.9.6-11+deb7u11—
Alpine:v3.10(1)
PackageVulnerable rangeFixed inDependents
tiff—4.0.9-r5—
Alpine:v3.11(1)
PackageVulnerable rangeFixed inDependents
tiff—4.0.9-r5—
Alpine:v3.12(1)
PackageVulnerable rangeFixed inDependents
tiff—4.0.9-r5—
Alpine:v3.13(1)
PackageVulnerable rangeFixed inDependents
tiff—4.0.9-r5—
Alpine:v3.14(1)
PackageVulnerable rangeFixed inDependents
tiff—4.0.9-r5—
Alpine:v3.15(1)
PackageVulnerable rangeFixed inDependents
tiff—4.0.9-r5—
Alpine:v3.16(1)
PackageVulnerable rangeFixed inDependents
tiff—4.0.9-r5—
Alpine:v3.17(1)
PackageVulnerable rangeFixed inDependents
tiff—4.0.9-r5—
Alpine:v3.18(1)
PackageVulnerable rangeFixed inDependents
tiff—4.0.9-r5—
Alpine:v3.19(1)
PackageVulnerable rangeFixed inDependents
tiff—4.0.9-r5—
Alpine:v3.20(1)
PackageVulnerable rangeFixed inDependents
tiff—4.0.9-r5—
Alpine:v3.21(1)
PackageVulnerable rangeFixed inDependents
tiff—4.0.9-r5—
Alpine:v3.22(1)
PackageVulnerable rangeFixed inDependents
tiff—4.0.9-r5—
Alpine:v3.23(1)
PackageVulnerable rangeFixed inDependents
tiff—4.0.9-r5—
Alpine:v3.24(1)
PackageVulnerable rangeFixed inDependents
tiff—4.0.9-r5—
Alpine:v3.4(1)
PackageVulnerable rangeFixed inDependents
tiff—4.0.9-r4—
Alpine:v3.5(1)
PackageVulnerable rangeFixed inDependents
tiff—4.0.9-r4—
Alpine:v3.6(1)
PackageVulnerable rangeFixed inDependents
tiff—4.0.9-r4—
Alpine:v3.7(1)
PackageVulnerable rangeFixed inDependents
tiff—4.0.9-r4—
Alpine:v3.8(1)
PackageVulnerable rangeFixed inDependents
tiff—4.0.9-r5—
Alpine:v3.9(1)
PackageVulnerable rangeFixed inDependents
tiff—4.0.9-r5—
Debian:11(1)
PackageVulnerable rangeFixed inDependents
tiff—4.0.9-6—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
tiff—4.0.9-6—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
tiff—4.0.9-6—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
tiff—4.0.9-6—
Debian:8(1)
PackageVulnerable rangeFixed inDependents
tiff4.0.3-12.3 ... 4.0.3-12.3+deb8u5 (6 versions)4.0.3-12.3+deb8u6—
Debian:9(1)
PackageVulnerable rangeFixed inDependents
tiff4.0.8-2, 4.0.8-2+deb9u1, 4.0.8-2+deb9u2, 4.0.8-2+deb9u34.0.8-2+deb9u4—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(2)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 4× in last 7d / 24× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 139 total refreshes for this CVE.

  1. 2026-09-06 13:44 UTCEPSS rescore
  2. 2026-09-04 13:56 UTCEPSS rescore
  3. 2026-09-04 05:02 UTCEPSS rescore
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  13. 2026-08-22 20:37 UTCOSV refresh
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  1. 2026-08-07 16:23 UTCEPSS rescore
  2. 2026-08-07 00:20 UTCOSV refresh
  3. 2026-08-06 13:42 UTCEPSS rescore
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  9. 2026-07-30 16:24 UTCEPSS rescore
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  19. 2026-07-23 01:37 UTCEG score recompute
  20. 2026-07-22 22:18 UTCEG score recompute
  21. 2026-07-22 14:05 UTCEPSS rescore
  22. 2026-07-21 15:48 UTCOSV refresh
  23. 2026-07-21 15:22 UTCEPSS rescore
  24. 2026-07-20 17:04 UTCEPSS rescore
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  26. 2026-07-19 14:28 UTCEPSS rescore
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  44. 2026-07-06 02:20 UTCEPSS rescore
  45. 2026-07-05 02:27 UTCEPSS rescore
  46. 2026-07-04 11:26 UTCOSV refresh
  47. 2026-07-04 06:28 UTCEPSS rescore
  48. 2026-07-04 06:28 UTCEPSS rescore
  49. 2026-07-01 15:03 UTCEPSS rescore
  50. 2026-07-01 15:03 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2018-8905?
CVE-2018-8905 is a high vulnerability published on March 22, 2018. In LibTIFF 4.0.9, a heap-based buffer overflow occurs in the function LZWDecodeCompat in tif_lzw.c via a crafted TIFF file, as demonstrated by tiff2ps.
When was CVE-2018-8905 disclosed?
CVE-2018-8905 was first published in the National Vulnerability Database on March 22, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-8905 actively exploited?
CVE-2018-8905 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3% probability of exploitation in the next 30 days, which ranks it in the top 13.2% of all scored CVEs.
What is the CVSS score of CVE-2018-8905?
CVE-2018-8905 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2018-8905?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-8905, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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