CVE-2026-48702

ADVISORY - github

Summary

Description

The Package.Unmarshal() function in pkg/types/alpine/apk.go decompresses the signature and control gzip members of an APK file into in-memory buffers without bounding the total decompressed size. The existing max_apk_metadata_size check (default 1MB) is only applied to individual tar entry header sizes after decompression completes, so it does not prevent a decompression bomb from consuming unbounded heap memory.

An attacker can craft a gzip stream that compresses at a ~1000:1 ratio (e.g., 2MB compressed zeros → 2GB decompressed). When submitted as spec.package.content in an Alpine ProposedEntry, the server decompresses the full payload into memory during request processing, triggering a fatal Go runtime out-of-memory error or OS OOM-kill that cannot be caught by the server's recover() middleware.

This is reachable via two unauthenticated endpoints:

POST /api/v1/log/entries (createLogEntry)
POST /api/v1/log/entries/retrieve (searchLogQuery)

Both invoke V001Entry.Canonicalize() → fetchExternalEntities() → apk.Unmarshal(packageData), which performs the unbounded decompression.

Workarounds

There is no effective workaround. Setting max_request_body_size reduces but does not eliminate exposure due to the ~1000:1 compression ratio (a 1MB body limit still allows ~1GB heap allocation). Setting max_apk_metadata_size has no effect on this vulnerability since the check is applied after decompression.

Common Weakness Enumeration (CWE)

ADVISORY - github

CWE-770⁠

Allocation of Resources Without Limits or Throttling

Impacted images

Advisories

GitHub

CREATED

21 days ago

UPDATED

21 days ago

ADVISORY IDGHSA-47q9-m4ww-924m⁠

EXPLOITABILITY SCORE

3.9

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)

CWE-770⁠

CVSS SCORE

7.5high

GoLang

CREATED

9 days ago

UPDATED

9 days ago

ADVISORY IDGO-2026-5778⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

Chainguard

CREATED

3 days ago

UPDATED

3 days ago

ADVISORY ID

CGA-6mjq-v293-wr6f

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

14 days ago

UPDATED

14 days ago

ADVISORY ID

MINI-262p-9mfq-x47r

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

20 days ago

UPDATED

20 days ago

ADVISORY ID

MINI-2mjr-fc9q-8gx3

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

20 days ago

UPDATED

20 days ago

ADVISORY ID

MINI-2p4f-hphh-5999

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

14 days ago

UPDATED

14 days ago

ADVISORY ID

MINI-2pcg-g68g-q46f

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

14 days ago

UPDATED

14 days ago

ADVISORY ID

MINI-2v36-pmmg-v9x5

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

20 days ago

UPDATED

20 days ago

ADVISORY ID

MINI-2v4f-6299-hc45

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

6 days ago

UPDATED

6 days ago

ADVISORY ID

MINI-3v39-p98g-3vjg

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

14 days ago

UPDATED

14 days ago

ADVISORY ID

MINI-3wh8-5jxc-f2r9

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

20 days ago

UPDATED

20 days ago

ADVISORY ID

MINI-46g2-qq9m-ffqg

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

11 days ago

UPDATED

11 days ago

ADVISORY ID

MINI-52cv-95rh-c6c4

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

20 days ago

UPDATED

20 days ago

ADVISORY ID

MINI-546r-jg95-vx6r

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

20 days ago

UPDATED

20 days ago

ADVISORY ID

MINI-54p2-xhfw-j7gh

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

20 days ago

UPDATED

20 days ago

ADVISORY ID

MINI-56pf-3jjw-7q42

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

20 days ago

UPDATED

20 days ago

ADVISORY ID

MINI-59mw-jmc8-wv49

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

8 days ago

UPDATED

8 days ago

ADVISORY ID

MINI-5gm4-3xq9-cfqm

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

20 days ago

UPDATED

20 days ago

ADVISORY ID

MINI-5jjv-jrv7-cqpj

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

2 days ago

UPDATED

2 days ago

ADVISORY ID

MINI-5x2w-4665-7pc7

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

20 days ago

UPDATED

20 days ago

ADVISORY ID

MINI-6ggm-3f39-5m3v

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

20 days ago

UPDATED

20 days ago

ADVISORY ID

MINI-6v2r-gvpf-j47r

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

20 days ago

UPDATED

20 days ago

ADVISORY ID

MINI-78v5-2325-97m6

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

20 days ago

UPDATED

20 days ago

ADVISORY ID

MINI-8rh3-c5jx-xmp6

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

20 days ago

UPDATED

20 days ago

ADVISORY ID

MINI-c5cg-hhc7-f4qm

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

8 days ago

UPDATED

8 days ago

ADVISORY ID

MINI-c5gf-9rx7-89fw

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

15 days ago

UPDATED

15 days ago

ADVISORY ID

MINI-c8qj-cwhf-mv68

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

20 days ago

UPDATED

20 days ago

ADVISORY ID

MINI-ccpx-g9q9-h5w4

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

20 days ago

UPDATED

20 days ago

ADVISORY ID

MINI-cg8q-6vgh-58rf

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

9 hours ago

UPDATED

9 hours ago

ADVISORY ID

MINI-f645-vf77-h376

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

20 days ago

UPDATED

20 days ago

ADVISORY ID

MINI-f66w-4r26-7833

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

10 days ago

UPDATED

10 days ago

ADVISORY ID

MINI-fccg-j5m7-r3r8

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

8 days ago

UPDATED

8 days ago

ADVISORY ID

MINI-fv8x-qh62-83r7

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

14 days ago

UPDATED

14 days ago

ADVISORY ID

MINI-g536-2xv3-f6mc

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

8 days ago

UPDATED

8 days ago

ADVISORY ID

MINI-gc7f-hwcx-5hv3

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

20 days ago

UPDATED

20 days ago

ADVISORY ID

MINI-gr3x-cwg5-v2p3

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

14 days ago

UPDATED

14 days ago

ADVISORY ID

MINI-grhp-mmv6-9fvv

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

19 days ago

UPDATED

19 days ago

ADVISORY ID

MINI-gvxf-3gq2-v6hv

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

13 days ago

UPDATED

13 days ago

ADVISORY ID

MINI-gwhv-5247-xmgh

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

19 days ago

UPDATED

19 days ago

ADVISORY ID

MINI-h24w-9hqh-fwq3

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

14 days ago

UPDATED

14 days ago

ADVISORY ID

MINI-hmjp-4p7v-7rpq

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

20 days ago

UPDATED

20 days ago

ADVISORY ID

MINI-j4xr-47qh-5jgh

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

13 days ago

UPDATED

13 days ago

ADVISORY ID

MINI-j8c7-vw62-rgpj

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

15 days ago

UPDATED

15 days ago

ADVISORY ID

MINI-jmh9-gcf4-g9jg

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

20 days ago

UPDATED

20 days ago

ADVISORY ID

MINI-p5wg-4f8f-r364

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

20 days ago

UPDATED

20 days ago

ADVISORY ID

MINI-pvq6-jqj6-f5q3

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

14 days ago

UPDATED

14 days ago

ADVISORY ID

MINI-q5m2-375r-wg7p

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

20 days ago

UPDATED

20 days ago

ADVISORY ID

MINI-q6r5-3r4m-m22c

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

20 days ago

UPDATED

20 days ago

ADVISORY ID

MINI-q8vr-7jhx-h95w

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

12 days ago

UPDATED

12 days ago

ADVISORY ID

MINI-qrvj-wwjc-r73f

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

20 days ago

UPDATED

20 days ago

ADVISORY ID

MINI-r55q-v3px-673p

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

7 days ago

UPDATED

7 days ago

ADVISORY ID

MINI-rgph-v5qx-3h52

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

20 days ago

UPDATED

20 days ago

ADVISORY ID

MINI-rr5f-2ph5-83m4

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

20 days ago

UPDATED

20 days ago

ADVISORY ID

MINI-vxvh-fm97-jvh9

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

14 days ago

UPDATED

14 days ago

ADVISORY ID

MINI-wrm5-9r79-r8gg

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

15 days ago

UPDATED

15 days ago

ADVISORY ID

MINI-wxr8-f454-h8hf

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

16 days ago

UPDATED

16 days ago

ADVISORY ID

MINI-x55v-mhmj-3fg9

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

6 days ago

UPDATED

6 days ago

ADVISORY ID

MINI-xp2h-fx9v-v7h2

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

8 days ago

UPDATED

8 days ago

ADVISORY ID

MINI-xp2w-6jrx-fj3p

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY