VulnSocial

CVE-2026-21095Patch(samsung / android)

LOWCVSS 9.8 · CRITICAL

Exploit discussion active in current signal (1 latest mentions)

Immediate actions

  • Patch samsung android systems immediately
  • Hunt for exploitation attempts and persistence artifacts
  • Increase monitoring for publicly documented tradecraft

Recommended action window: High priority (within 72h)

NVD description

Heap-based buffer overflow in DNG decoder of libimagecodec.quram.so prior to SMR Sep-2026 Release 1 allows remote attackers to execute arbitrary code.

samsung CVEsBack to dashboard
2.0/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-122

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • android

Threat summary

  • Public PoC is present in monitored signal
  • Patch or workaround signal is available
  • 5 mentions across 5 observed days
  • Momentum state: stable

What's happening

  • PoC mentioned or linked in 1 signal
  • Patch or workaround mentioned in 3 signals
  • Technical details provided in 5 signals
  • Disclosure: 1 classified signal
  • Peaked 4d ago at 1 mentions (2026-09-11); latest day: 1
  • 5 total mentions across 5 days

Affected systems

Vendors
samsung
Products
android

4 versions affected across 1 product

Deep dive

Activity timeline5 mentions / 5d
00111Mentions · 2026-09-11: 1Mentions · 2026-09-13: 1Mentions · 2026-09-21: 1Mentions · 2026-09-26: 1Mentions · 2026-10-13: 1PoC Mentioned / Linked · 2026-10-13: 1Patch / Workaround · 2026-09-13: 1Patch / Workaround · 2026-09-21: 1Patch / Workaround · 2026-09-26: 1Technical Details · 2026-09-11: 1Technical Details · 2026-09-13: 1Technical Details · 2026-09-21: 1Technical Details · 2026-09-26: 1Technical Details · 2026-10-13: 109-1109-1309-2109-2610-13
Signal classification3 categories
Patch
360.0%
Disclosure
120.0%
PoC
120.0%
Referenced assets6 URLs
Classification over time
DateTotalLabels
2026-09-111
Disclosure1
2026-09-131
Patch1
2026-09-211
Patch1
2026-09-261
Patch1
2026-10-131
PoC1
Full discourse5 posts
  • xvonfers@xvonfers
    PoC

    (SVE-2026-3247/CVE-2026-21095)https://libimagecodec.quram.so Heap-BoF in DNG Uncompressed Tile Decoding https://project-zero.issues.chromium.org/issues/527353503 https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=09 PoC: https://project-zero.issues.chromium.org/action/issues/527353503/attachments/78523065?download=false Reported by Brendon Tiszka and Mateusz Jurczyk https://t.co/LqaUxhcL2R

    Post summary

    The text announces a Heap Buffer Overflow vulnerability in Samsung's DNG image decoding and primarily shares a link to a Proof of Concept.

    18044233.7K
    5.0K followersView on X
  • Ryx@PadhiyarRushi
    Disclosure

    Samsung’s September Galaxy package includes two critical image-processing heap overflows: CVE-2026-21095: DNG decoding CVE-2026-21096: JPEG decoding Both described as remote code execution. Also a path-traversal in ImsService that can create files with system-server privileges. https://www.esecurityplanet.com/threats/news-samsung-september-2026-galaxy-security-update/ #MobileSecurity #Android #Cybersecurity #Infosec #Trending #AI #Claude #GPT

    Post summary

    The text announces two new critical image‑processing heap overflows (CVE‑2026‑21095 and CVE‑2026‑21096) that allow remote code execution, plus a path‑traversal flaw in ImsService enabling system‑server privileged file creation.

    00042275
    953 followersView on X
  • ケイ | IT・セキュリティ系副業Webライター@Teeeda_worker
    Patch

    【重要】Samsung GalaxyにCVSS 9.2、9月更新を適用 https://www.cybernote.click/2026/09/21/samsung-galaxy-cve-2026-21095-21096-image-decoder-update/ #IT #Security #cybersecurity

    Post summary

    The tweet alerts that Samsung Galaxy devices are affected by high‑severity CVEs (CVSS 9.2) and urges users to apply the September security update, indicating a patch is available.

    0000072
    209 followersView on X
  • ケイ | IT・セキュリティ系副業Webライター@Teeeda_worker
    Patch

    【重要】Samsung GalaxyにCVSS 9.2、9月更新を適用 #cybernote #ブログ仲間と繋がりたい #Webライター https://www.cybernote.click/2026/09/21/samsung-galaxy-cve-2026-21095-21096-image-decoder-update/

    Post summary

    The tweet reports that Samsung Galaxy devices have received a September security update patching CVE‑2026‑21095 and CVE‑2026‑21096, with a high CVSS score of 9.2.

    0000082
    207 followersView on X
  • Md. Najeeb Hussain@mnh_18
    Patch

    Samsung's September patch has two genuinely nasty image-decoder flaws in it, and they deserve naming: 🔴 CVE-2026-21095 — critical heap overflow in DNG decoding 🔴 CVE-2026-21096 — critical heap overflow in JPEG decoding Both could let a remote attacker execute arbitrary code. From a photo file. Genuinely update this one. 🔐 #Samsung #SeptemberPatch #CVE #Security

    Post summary

    The post announces Samsung’s September patch addressing two critical heap overflows in DNG and JPEG decoders that could enable remote code execution from image files, urging users to apply the update.

    00000187
    813 followersView on X
CPE platform detail95 entries

95 of 95 entries

PartVendorProductVersionTarget SWTarget HW
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