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Fencer Vulns
high 8.8

CVE-2020-24870 json

Libraw before 0.20.1 has a stack buffer overflow via LibRaw::identify_process_dng_fields in identify.cpp.

published 2021-06-02 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-17578

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.6%
EPSS 1.6% chance of exploitation in 30 days, percentile 76%
public exploits
0
none known

Summary

Libraw before 0.20.1 has a stack buffer overflow via LibRaw::identify_process_dng_fields in identify.cpp.

Patch / fix

  • libraw libraw 0.20.1
  • libraw Debian 14, Debian 13, Debian 12 0.20.2-1

debian advisories DEBIAN-CVE-2020-24870

  • LibRaw RHEL 8 0.19.5-3.el8
  • webkit2gtk3 RHEL 8 2.32.3-2.el8
  • gnome-autoar RHEL 8 0.2.3-2.el8
  • webkit2gtk3-jsc RHEL 8 2.32.3-2.el8

red hat advisories RHSA-2021:4381

  • gdm AlmaLinux 8 1:40.0-15.el8
  • gtk3 AlmaLinux 8 3.22.30-8.el8
  • vino AlmaLinux 8 3.22.0-11.el8
  • LibRaw AlmaLinux 8 0.19.5-3.el8
  • mutter AlmaLinux 8 3.32.2-60.el8
  • gnome-shell AlmaLinux 8 3.32.2-40.el8
  • webkit2gtk3 AlmaLinux 8 2.32.3-2.el8
  • gnome-autoar AlmaLinux 8 0.2.3-2.el8

almalinux advisories ALSA-2021:4381

  • gdm Rocky Linux 8 1:40.0-15.el8
  • gtk3 Rocky Linux 8 3.22.30-8.el8
  • vino Rocky Linux 8 3.22.0-11.el8
  • LibRaw Rocky Linux 8 0.19.5-3.el8
  • mutter Rocky Linux 8 3.32.2-60.el8
  • gnome-shell Rocky Linux 8 3.32.2-40.el8
  • webkit2gtk3 Rocky Linux 8 2.32.3-2.el8
  • gnome-autoar Rocky Linux 8 0.2.3-2.el8

rocky linux advisories RLSA-2021:4381

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-2020-24870 updated cvss 8.1

LibRaw: Stack buffer overflow in LibRaw::identify_process_dng_fields() in identify.cpp

  • Red Hat Enterprise Linux 6 dcraw Red Hat Enterprise Linux 7 dcraw, libkdcraw
    affected: no fix planned “Out of support scope”
  • Red Hat CodeReady Linux Builder (v. 8) LibRaw-devel 0.19.5-3.el8, LibRaw-debuginfo 0.19.5-3.el8, LibRaw-debugsource 0.19.5-3.el8, LibRaw-samples-debuginfo 0.19.5-3.el8 Red Hat Enterprise Linux AppStream (v. 8) LibRaw 0.19.5-3.el8
    fixed: vendor fix RHSA-2021:4381
  • Red Hat CodeReady Linux Builder (v. 8) gnome-software 3.36.1-10.el8 Red Hat Enterprise Linux 7 LibRaw Red Hat Enterprise Linux 8 dcraw Red Hat Enterprise Linux 9 dcraw, LibRaw Red Hat Enterprise Linux AppStream (v. 8) gdm 40.0-15.el8, gtk3 3.22.30-8.el8, vino 3.22.0-11.el8, mutter 3.32.2-60.el8, gnome-autoar 0.2.3-2.el8, webkit2gtk3 2.32.3-2.el8, +42 more Red Hat Enterprise Linux BaseOS (v. 8) gsettings-desktop-schemas 3.32.0-6.el8
    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

Exploit prediction

1.63% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness

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.