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CVE-2018-20337· NVD / CVE Program· CNA mitre

There is a stack-based buffer overflow in the parse_makernote function of dcraw_common.cpp in LibRaw 0.19.1.

There is a stack-based buffer overflow in the parse_makernote function of dcraw_common.cpp in LibRaw 0.19.1. Crafted input will lead to a denial of service or possibly unspecified other impact.

HighCVSS 8.8 · v3.0—No exploit Fix available
Published
Dec 21, 2018
Updated
Jun 16, 2026
EPSS
2.1% · 81th percentile
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Report tools

JSON

Action score

36

Monitor

Low priority for now.

CVSS
35 / 40 · 8.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 2.1%

Affected systems

VendorProduct
librawlibraw

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • libraw libraw0.19.1

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
AlmaLinux:8accountsservice-develbefore 0.6.50-8.el80.6.50-8.el8
AlmaLinux:8baobabbefore 3.28.0-4.el83.28.0-4.el8
AlmaLinux:8clutterbefore 1.26.2-8.el81.26.2-8.el8
AlmaLinux:8clutter-develbefore 1.26.2-8.el81.26.2-8.el8
AlmaLinux:8clutter-docbefore 1.26.2-8.el81.26.2-8.el8
AlmaLinux:8gjs-develbefore 1.56.2-4.el81.56.2-4.el8
AlmaLinux:8gnome-menusbefore 3.13.3-11.el83.13.3-11.el8
AlmaLinux:8gnome-menus-develbefore 3.13.3-11.el83.13.3-11.el8
AlmaLinux:8gnome-tweaksbefore 3.28.1-7.el83.28.1-7.el8
AlmaLinux:8mozjs52before 52.9.0-2.el8.alma52.9.0-2.el8.alma
AlmaLinux:8mozjs52before 52.9.0-2.el852.9.0-2.el8
AlmaLinux:8mozjs52-develbefore 52.9.0-2.el852.9.0-2.el8
AlmaLinux:8mozjs52-develbefore 52.9.0-2.el8.alma52.9.0-2.el8.alma
AlmaLinux:8mozjs60before 60.9.0-4.el8.alma60.9.0-4.el8.alma
AlmaLinux:8mozjs60before 60.9.0-4.el860.9.0-4.el8
AlmaLinux:8mozjs60-develbefore 60.9.0-4.el8.alma60.9.0-4.el8.alma
AlmaLinux:8mozjs60-develbefore 60.9.0-4.el860.9.0-4.el8
AlmaLinux:8valabefore 0.40.19-1.el80.40.19-1.el8
AlmaLinux:8vala-develbefore 0.40.19-1.el80.40.19-1.el8
Debian:12librawbefore 0.19.2-10.19.2-1
openSUSE:Leap 15.0librawbefore 0.18.9-lp150.2.6.10.18.9-lp150.2.6.1
openSUSE:Tumbleweedlibrawbefore 0.20.2-4.10.20.2-4.1
Red Hat:enterprise_linux:8::appstreamaccountsservicebefore 0:0.6.50-8.el80:0.6.50-8.el8
Red Hat:enterprise_linux:8::appstreamaccountsservice-debuginfobefore 0:0.6.50-8.el80:0.6.50-8.el8

+96

Other highest-scoring records for the same primary product.

  • CVE-2015-8367The phase_one_correct function in Libraw before 0.17.1 allows attackers to cause memory errors and possibly execute arbitrary code, related
    41Plan
  • CVE-2015-8366Array index error in smal_decode_segment function in LibRaw before 0.17.1 allows context-dependent attackers to cause memory errors and poss
    41Plan
  • CVE-2017-14265A Stack-based Buffer Overflow was discovered in xtrans_interpolate in internal/dcraw_common.cpp in LibRaw before 0.18.3.
    40Plan
  • CVE-2017-6886An error within the "parse_tiff_ifd()" function (internal/dcraw_common.cpp) in LibRaw versions before 0.18.2 can be exploited to corrupt mem
    40Plan
  • CVE-2026-24450An integer overflow vulnerability exists in the uncompressed_fp_dng_load_raw functionality of LibRaw Commit 8dc68e2.
    39Monitor
  • CVE-2026-21413A heap-based buffer overflow vulnerability exists in the lossless_jpeg_load_raw functionality of LibRaw Commit 0b56545 and Commit d20315b.
    39Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
almalinux:accountsservice-devel0.6.50-8.el8 · AlmaLinux:8Package registry (OSV)
almalinux:baobab3.28.0-4.el8 · AlmaLinux:8Package registry (OSV)
almalinux:clutter1.26.2-8.el8 · AlmaLinux:8Package registry (OSV)
almalinux:clutter-devel1.26.2-8.el8 · AlmaLinux:8Package registry (OSV)
almalinux:clutter-doc1.26.2-8.el8 · AlmaLinux:8Package registry (OSV)
almalinux:gjs-devel1.56.2-4.el8 · AlmaLinux:8Package registry (OSV)
almalinux:gnome-menus3.13.3-11.el8 · AlmaLinux:8Package registry (OSV)
almalinux:gnome-menus-devel3.13.3-11.el8 · AlmaLinux:8Package registry (OSV)
almalinux:gnome-tweaks3.28.1-7.el8 · AlmaLinux:8Package registry (OSV)
almalinux:mozjs5252.9.0-2.el8.alma · AlmaLinux:8Package registry (OSV)
almalinux:mozjs52-devel52.9.0-2.el8.alma · AlmaLinux:8Package registry (OSV)
almalinux:mozjs6060.9.0-4.el8.alma · AlmaLinux:8Package registry (OSV)
debian:libraw0.19.2-1 · Debian:12Package registry (OSV)
opensuse:libraw0.18.9-lp150.2.6.1 · openSUSE:Leap 15.0Package registry (OSV)
red hat:accountsservice0:0.6.50-8.el8 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
red hat:accountsservice-debuginfo0:0.6.50-8.el8 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
red hat:accountsservice-debugsource0:0.6.50-8.el8 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
red hat:accountsservice-libs0:0.6.50-8.el8 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
red hat:accountsservice-libs-debuginfo0:0.6.50-8.el8 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
red hat:appstream-data0:8-20191129.el8 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
red hat:baobab0:3.28.0-4.el8 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
red hat:baobab-debuginfo0:3.28.0-4.el8 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
red hat:LibRaw0:0.19.5-1.el8 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
red hat:LibRaw-debuginfo0:0.19.5-1.el8 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
red hat:LibRaw-debugsource0:0.19.5-1.el8 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
red hat:LibRaw-samples-debuginfo0:0.19.5-1.el8 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
rocky linux:baobab0:3.28.0-4.el8 · Rocky Linux:8Package registry (OSV)
rocky linux:clutter0:1.26.2-8.el8 · Rocky Linux:8Package registry (OSV)
rocky linux:gnome-menus0:3.13.3-11.el8 · Rocky Linux:8Package registry (OSV)
rocky linux:gnome-tweaks0:3.28.1-7.el8 · Rocky Linux:8Package registry (OSV)

+3

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.

EPSS, last 120 days

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.

No commit or PR link among the references.

Finders, 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)

CWE-787 · Out-of-bounds Write

CVSS vector

CVSS:3.0/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 help

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records