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Fencer Intel
high 7.8

CVE-2020-14409 json

SDL (Simple DirectMedia Layer) through 2.0.12 has an Integer Overflow (and resultant SDL_memcpy heap corruption) in SDL_BlitCopy in video/S…

published 5y ago modified 3mo ago also EUVD-2020-6548 , JLSEC-2026-362

cvss
7.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 71%
public exploits
0
none known

Summary

SDL (Simple DirectMedia Layer) through 2.0.12 has an Integer Overflow (and resultant SDL_memcpy heap corruption) in SDL_BlitCopy in video/SDL_blit_copy.c via a crafted .BMP file.

Patch / fix

  • julia SDL2_jll 2.24.2+0
  • libsdl2 Debian 14, Debian 13, Debian 12 2.0.14+dfsg2-2

debian advisories DEBIAN-CVE-2020-14409

  • libsdl2 Ubuntu Pro 18.04 LTS 2.0.8+dfsg1-1ubuntu1.18.04.4+esm1
  • libsdl2 Ubuntu Pro 20.04 LTS 2.0.10+dfsg1-3ubuntu0.1~esm1

ubuntu advisories UBUNTU-CVE-2020-14409

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

  • SDL SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES for SAP 12 SP3 +11 more 1.2.15-15.17.1
  • SDL SLES 11 SP4-LTSS, SLE Point of Sale 11 SP3 1.2.13-106.21.1
  • SDL SLES for SAP 15 SP2, SLES for SAP 15 SP1, SLES for SAP 15 +20 more 1.2.15-150000.3.19.1
  • SDL2 SLES for SAP 15 SP1, SLES for SAP 15, SLES 15-LTSS +7 more 2.0.8-3.18.1
  • SDL2 SLES 15 SP2-BCL, SLE Real Time 15 SP2, SLE Module for Package Hub 15 SP3 +9 more 2.0.8-11.3.1

suse advisories SUSE-SU-2022:1312-1SUSE-SU-2022:14943-1SUSE-SU-2022:1273-1SUSE-SU-2022:0825-1SUSE-SU-2022:0104-2SUSE-SU-2022:0104-1

  • SDL2 openSUSE Tumbleweed 2.32.8-1.1
  • SDL2 openSUSE Tumbleweed 2.28.5-2.1
  • SDL2 openSUSE Leap 15.3 2.0.8-11.3.1
  • pdns Package Hub 15 SP3, openSUSE Leap 15.3 4.3.1-bp153.2.3.1

opensuse advisories openSUSE-SU-2025:15206-1openSUSE-SU-2024:13582-1openSUSE-SU-2022:0104-1

Is CVE-2020-14409 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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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-2020-14409 updated cvss 7.8

SDL2: Integer overflow in SDL_BlitCopy in video/SDL_blit_copy.c via a crafted .BMP file

  • Red Hat Enterprise Linux 6 SDL Red Hat Enterprise Linux 7 SDL Red Hat Enterprise Linux 8 SDL Red Hat Enterprise Linux 9 SDL, SDL2
    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

1.32% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 7.8 CVSS:3.1/AV:L/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
OSV 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
julia SDL2_jll
>=2.0.12+0, <2.24.2+0
2.24.2+0

Classification

Weakness

References

Sources

Fencer Intel 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.